56 g. Given that the density is 2.5 g/L, we know that 1 mole of any ideal gas takes up 22.4 L at STP conditions. Hence, we may conclude that this gas's molar mass is equal to 56 g if one mole of it weighs 56 g.
How can I calculate molar mass?The atomic mass in g/mol is the element's typical molar mass. The atomic mass in AMU can also be used to compute molar mass by multiplying it by the molar mass constant (1 g/mol). Add together all the atomic masses of the constituent atoms to determine the molar mass of a compound with numerous atoms.
How does the ideal gas law work?For instance, the ideal gas law asserts that, if the gas's mass and particle count are constant, the pressure, volume, and temperature of a gas are all precisely proportional to one another.
Given;
Density of the gas at STP = 2.5 g/L
At STP volume of the gas = 22.4 litres/mole
6.023×10∧23 molecules contains 1 mole of gas = Molar mass of gas
Density = mass / volume
2.5 = molar mass / 22.4
Molar mass = 56g/mol
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How do you find the molar mass of ethanol?
To find the molar mass of ethanol, which has the chemical formula C₂H₅OH, you need to calculate the sum of the atomic masses of all the atoms in one molecule of ethanol.
Look up the atomic masses of each element in the formula:
Carbon (C): 12.01 g/mol
Hydrogen (H): 1.01 g/mol
Oxygen (O): 16.00 g/mol
Count the number of atoms of each element in one molecule of ethanol:
2 atoms of carbon (C)
6 atoms of hydrogen (H)
1 atom of oxygen (O)
Multiply the atomic mass of each element by the number of atoms of that element, then add the results together
(2 x 12.01 g/mol) + (6 x 1.01 g/mol) + (1 x 16.00 g/mol) = 46.07 g/mol
Therefore, the molar mass of ethanol is approximately 46.07 g/mol.
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10 POINTS! At 400 k both compounds are gases. At this temperature, which compound, CH4(g) or CCl4(g), behaves more like an ideal gas? Justify your answer, including reasoning about both molecules
At the temperature of 400 K, the compound CH₄ (g) behaves more like an ideal gas than CCl₄ (g).
CH₄ behaves more like an ideal gas compared to CCL₄ because the intermolecular forces between CH₄ (g) molecules are weaker than those between CCl₄ (g) molecules. Ideal gases are characterized by weak intermolecular forces, allowing the gas molecules to move freely and independently of each other. The weaker the intermolecular forces, the more the gas behaves like an ideal gas.
CH₄ (g) is a nonpolar molecule with weak London dispersion forces between its molecules. On the other hand, CCl4(g) is also a nonpolar molecule, but it has larger and heavier atoms (chlorine) that create stronger London dispersion forces between its molecules.
Therefore, at 400 K, CH₄ (g) behaves more like an ideal gas than CCl4(g) due to its weaker intermolecular forces.
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Luke surmised the causes of earthquakes with the following sentences "Earthquakes have both natural causes like volcanoes faults and landslides and human causes like mining explosion's, nuclear testing and tectonic plate subduction." what needs to be corrected?
A. Volcanoes do not causes earthquakes
B. Subduction is a natural cause, not human made
C. Tectonic plate subduction does not cause earthquake
D. Faults are human made causes, not natural causes
Pleases explain why your awnser is correct.
The majority of natural earthquakes occur on fault lines, which are typically (but not always) located where tectonic plates collide in earth.
What is Earth.The Earth and its moon formed at the same time as the other planets in the solar system. That incident occurred 4.5 trillion years ago, according to estimates. Earth is the fifth-largest planet in the solar system. Despite only being the sixth largest planet overall, Earth is the only exoplanet that has liquid water on its surface.
What is a solar system?A planetary system. These planets and celestial bodies are attracted to the Sun and revolve around it. Our solar system is made up of Jupiter, Venus, Earth, Mars, and the Sun, a typical star.
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A scientist mixes0.02 gof a strong monoprotic base in83mlof water and obtains a pH of 12 . He then realizes that he forgot to label the container and forgot what base he added. What is the most likely the identity of thisr base?LiOHNaOHRbOHKOH
A scientist mixes 0.02 g of the strong monoprotic base in 83 ml of water and obtains a pH of 12 . The most likely the identity of this base is LiOH.
The mass of the base = 0.02 g
The molar mass of the LiOH = 23.95 g/mol
The moles of the LiOH = mass / molar mass
The moles of the LiOH = 0.02 g / 23.95 g/mol
The moles of the LiOH = 0.00083 mol
The concentration of LiOH = moles / volume in L
The concentration of LiOH = 0.00083 / 0.083
= 0.01 M
pOH = - log (0.01)
pOH = 2
pH = 14 - pOH
pH = 14 - 2
pH = 12
Thus , the base added is LiOH.
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What is absorber in chemical engineering?
An absorber is a unit operation used in chemical engineering that uses a liquid to remove a gaseous component from a mixture of gases. Gas scrubbing or gas absorption are other names for this procedure.
Chemical engineers frequently employ absorbers to extract a gas component from a gas mixture using a liquid solvent. In order to selectively absorb the desired component, the procedure requires passing the gas mixture through a tank or column filled with a liquid solvent. Depending on the kind of gas being treated, the solvent may be organic or aqueous. Because to the disparity in concentration between the two phases, the absorbed component is transported from the gas phase to the liquid phase. The absorbed component is then recovered by processing or regenerating the liquid solvent. Absorbers are utilised in a variety of industrial processes, including those in the chemical, petrochemical, pharmaceutical, and environmental sectors.
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Explain how a carbon-zinc dry cell produces a voltage difference between the positive and negative terminals.
The development of positive charge on carbon rod and negative charge on zinc causes development of voltage difference.
The voltage difference in any electrochemical reaction arises due to difference in charges on each side, which is further ascertained by the presence of electrons. Here we see that carbon rod becomes positively charged on flow of electrons while zinc rod becomes negatively charged.
The dry cell here indicates lack of acid in the cell. However, the replaced liquid here is moist electrolyte. Now the deposition of charged on each side on further connection with leads from outer side results in flow of electron and hence current is generated.
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Pcr testing can aid in the ____ of fly species A.colonization B.transportation C.identification D. Timing
Answer:
C. identification. PCR testing can aid in the identification of fly species in a forensic investigation.
Explanation:
PCR testing can aid in the identification of fly species in a forensic investigation. PCR (Polymerase Chain Reaction) is a laboratory technique that allows the amplification of a small amount of DNA to detectable levels.
In forensic entomology, PCR can be used to identify the species of flies that are found at a crime scene. This is important because different species of flies have different developmental rates and life cycles. By identifying the species of fly present at a crime scene, forensic investigators can estimate the time of death more accurately.
PCR can be used to identify the fly species by analyzing the DNA present in the fly samples. The DNA is extracted from the samples and then amplified using PCR. The amplified DNA can then be sequenced to identify the fly species.
Therefore, the answer to the question is C. identification. PCR testing can aid in the identification of fly species in a forensic investigation.
What is the density of ethanol g mL?
0.789 g/mL is the density of ethanol g mL.
The density of ethanol is heavily influenced by the temperature but also the pressure of the local environment. Changes in temperature and surroundings cause changes in the volume of this solvent, which causes changes in its density.
Ethanol, also known as ethyl alcohol or alcoholic beverage, is a colorless volatile liquid that is widely employed as a solvent in the preparation of substances for personal food or contact. Ethanol is made from granules (such as corn) and grasses (such as switch grass).
It is primarily made from grains that have high sugar content. Its density is important in its many applications, which span from being a potent mind-altering drug in various hard liquor to a renewable fuel in automobiles.
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the transition metals are elements with partially filled
The transition metals are elements that have partially filled d subshells in their atoms or ions. Option D is correct.
These elements are located in the middle of the periodic table and include elements from group 3 to group 12. They are called "transition" metals because they are located in between the highly reactive metals on the left-hand side of the periodic table and the less reactive metals on the right-hand side.
The d subshells can hold up to 10 electrons, and the transition metals have varying numbers of electrons in their d subshells. This partially filled d subshell is what gives the transition metals their characteristic chemical and physical properties, such as their ability to form colored compounds and to act as good catalysts.
Hence, D. d subshells is the correct option.
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--The given question is incomplete, the complete question is
"The transition metals are elements with partially filled: A) p subshells B) s subshells C) f subshells D) d subshells"--
how many atoms make up the oxalate ion and what is its charge?
The number of the atoms that make up the oxalate ion is 6 atoms and the its charge is negative two that is - 2.
The Oxalate is the polyatomic ion and it is composed of the two carbon atoms (C) and the four oxygen atoms (O). The overall charge on the oxalate ion is of the negative two and it is considered as the dianion or the molecule with the two negative charges.
The chemical formula of the oxalate ion is C₂O₄²⁻. It is called as the dicarboxylic acid. The Oxalic acid will also be produced by the ethylene glycol .
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Which of the following atoms would have a formal charge of 0? Group of answer choices A. An oxygen atom that forms three bonds and has one lone pair. B. A sulfur atom that forms four bonds and has no lone pairs. C. A phosphorus atom that forms three bonds and has one lone pair. D. A sulfur atom that forms two bonds and has two lone pairs. E. A nitrogen atom that forms two bonds and has two lone pairs. F. A nitrogen atom that forms four bonds and has no lone pairs.
Its formal charge will be 1+ if it has three bonds and one lone pair, like the hydronium ion does. Furthermore, oxygen can exist as a radical. For instance, an oxygen atom with one link, two lone pairs, and one unpaired (free radical) electron would have a formal charge of zero.
Focus instead for the time being on the three primary non-radical examples since they represent the majority of oxygen-containing compounds you will come across in organic chemistry.
Nitrogen
The formal charge of a nitrogen is zero if it has three bonds in addition to a lone pair. The formal charge is 1+ if there are four bonds
Nitrogen that is negatively charged has two bonds and two lone pairs, which is a somewhat unusual bonding configuration.
Sulfur and Phosphorus
Biological organic compounds frequently contain the third row elements phosphorus and sulfur. Although both of these elements have other bonding patterns that are significant in laboratory chemistry, in a biological setting sulfur almost always follows the same bonding/formal charge pattern as oxygen, whereas phosphorus is present in the form of the phosphate ion (PO43), where it has five bonds (almost always to oxygen), no lone pairs, and a formal charge of zero. Keep in mind that elements in the third row of the periodic table have d orbitals in addition to s and p orbitals, therefore they are not constrained by the octet.
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Phosphorus atom and Sulphur atom will have a formal charge of zero.
To determine the formal charge on an atom, we need to compare the number of valence electrons on the neutral atom to the number of electrons it "owns" in the molecule. The number of valence electrons on an atom is equal to its group number in the periodic table.
A) Oxygen has 6 valence electrons. If it forms three bonds and has one lone pair, it "owns" 4 electrons in the molecule. Its formal charge would be:
FC = 6 - 3 - 2 = 1
Therefore, oxygen in this configuration would not have a formal charge of 0.
B) Sulfur has 6 valence electrons. If it forms four bonds and has no lone pairs, it "owns" 8 electrons in the molecule. Its formal charge would be:
FC = 6 - 4 - 0 = 2
Therefore, sulphur in this configuration would not have a formal charge of 0.
C) Phosphorus has 5 valence electrons. If it forms three bonds and has one lone pair, it "owns" 4 electrons in the molecule. Its formal charge would be:
FC = 5 - 3 - 2 = 0
Therefore, phosphorus in this configuration would have a formal charge of 0.
D) Sulfur has 6 valence electrons. If it forms two bonds and has two lone pairs, it "owns" 6 electrons in the molecule. Its formal charge would be:
FC = 6 - 2 - 4 = 0
Therefore, sulfur in this configuration would have a formal charge of 0.
E) Nitrogen has 5 valence electrons. If it forms two bonds and has two lone pairs, it "owns" 4 electrons in the molecule. Its formal charge would be:
FC = 5 - 2 - 4 = -1
Therefore, nitrogen in this configuration would not have a formal charge of 0.
F) Nitrogen has 5 valence electrons. If it forms four bonds and has no lone pairs, it "owns" 8 electrons in the molecule. Its formal charge would be:
FC = 5 - 4 - 0 = 1
Therefore, nitrogen in this configuration would not have a formal charge of 0.
Therefore, only options (D) and (C) correspond to atoms with a formal charge of 0.
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what is the formal charge of an oxygen atom that forms three bonds and has one lone pair?A. -2B. -1C. 0D. +1E. +2
The formal charge of an oxygen atom that forms three bonds and has one lone pair, see in above figure, is equals to positive one (+1). So, the correct choice for answer is option (D).
The formal charge of an atom in a molecule is equals to the charge that reside on the atom if all of the bonding electrons were equally divided. The formula of formal charge is written as
FC = V− N− B/2
where V --> the number of valence electrons of the neutral atom in isolation (in its ground state);
N --> the number of non-bonding valence electrons on this atom in the molecule, B--> the total number of electrons shared in bonds with other atoms in the molecule. Now, we have a oxygen atom that will form three bonds and has one lone pair. See the above figure, the oxygen atoms have been numbered as 1, 2, and 3. We have to calculate the formal charge on oxygen atom numbered 1. So, the formal charge on central O atom marked 1
= 6 − 2 − 6/2
= +1
Hence, required charge on oxygen atom is +1.
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A chair is placed several feet from a fire in a fireplace. The fireplace has a glass screen. The side of the chair facing the fireplace gets warm because ofa. Convectionb. Conductionc. Radiation
A chair is placed several feet from the fire in a fireplace. The fireplace has the glass screen. The side of the chair facing the fireplace gets warm because of the radiation. The correct option is c.
The Radiation is the energy that comes from the source and the travels through space at speed of the light. This energy has the electric field and the magnetic field associated with the one, and has the wave-like properties. It is also called as the electromagnetic waves.
The heat is a form of the energy that is transferred among the different substances. The three mode of the heat transfer : convection, conduction and the radiation. Radiation will be differentiated into the two separate categories: the ionizing and the non-ionizing radiation.
Therefore, because of the radiation , the side of the chair facing the fireplace gets warm . The option c is correct.
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Do colligative properties depend only on the identity of the solvent and concentration of the solute and independent of the solute identity?
Yes, colligative properties depend only on the identity of the solvent and the concentration of the solute, and they are independent of the identity of the solute.
This is because colligative properties are properties of the solvent that change as a result of adding a solute to it, and they depend only on the number of solute particles in the solution, not on their chemical nature.
Four common colligative properties are vapor pressure lowering, boiling point elevation, freezing point depression, and osmotic pressure. For example, the boiling point elevation of a solution is proportional to the molal concentration of the solute, and it does not depend on the chemical identity of the solute.
Colligative properties are important in many practical applications, such as determining the freezing point of antifreeze solutions, calculating the osmotic pressure in biological systems, and determining the boiling points of solutions used in industrial processes.
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At the equivalence point of a titration of acid-base reactions, the pH:
a. changes most rapidly with added titrant volume.
b. changes most slowly with added titrant volume.
c. does not change with added tirant volume.
The pH remains constant until the excess titrant is added, which results in a change in pH due to the formation of a buffer solution. Therefore, option C is the correct answer.
At the equivalence point of a titration of acid-base reactions, the pH does not change with added titrant volume. The equivalence point is the point at which the amount of acid and base being titrated are stoichiometrically equivalent, resulting in complete neutralization of the acid or base. This means that all the hydrogen ions from the acid and hydroxide ions from the base have reacted to form water, and no excess of either acid or base is present. At this point, the pH is determined by the dissociation constant (pKa) of the weak acid or base being titrated, and not by the amount of added titrant.
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What is a glucose molecule made of?
Glucose molecule is made up of six carbon atoms, twelve hydrogen atoms, and six oxygen atoms.
A glucose molecule is a simple sugar or monosaccharide with the chemical formula . The arrangement of atoms in glucose is a six-membered ring containing five carbon atoms and one oxygen atom.
Glucose is an essential source of energy for living organisms, and it is commonly found in many fruits, vegetables, and sweeteners. It can also be synthesized in the body through the breakdown of more complex carbohydrates such as starch or glycogen. Glucose is also used in various metabolic pathways in the body and is a precursor for the synthesis of other important biomolecules such as amino acids and fatty acids.
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If 82.16 grams of lithium metal react with excess water, how many liters of hydrogen gas will be produced at 232.05 Kelvin and 0.750 atmospheres? Lithium metal reacts with water to produce Lithium Hydroxide plus Hydrogen gas.
If 82.16 grams of lithium metal react with excess water, 13.1L of hydrogen gas will be produced at 232.05 Kelvin and 0.750 atmospheres.
What is volume?A measurement of three-dimensional space is volume. Several imperial or US customary units, as well as SI-derived units (such the cubic meter and liter), are frequently used to quantify it quantitatively. Volume and length (cubed) have a symbiotic relationship.
The volume of something like a container is often thought of as its capacity, not as the amount of space it takes up. In other words, the volume refers to the amount of fluid (liquid or gas) that the container may hold.
2Li + 2H[tex]_2[/tex]O [tex]\rightarrow[/tex] 2LiOH + H[tex]_2[/tex]
Moles of lithium = given mass/ molar mass
= 82.16 / 6
= 13.6 moles
the mole ratio between lithium and hydrogen is 2 : 1
moles of hydrogen = 13.6/ 2 = 6.8moles
0.750 ×V = 6.8×8.314×232.05
V =13.1L
Therefore, 13.1L is the volume of hydrogen gas.
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What happens in the development of insects that go through the nymph stage during incomplete metamorphosis?
They form a cocoon as a transition stage.
They form a chrysalis as a transition stage.
They usually look very different from the adult insect.
They molt their exoskeleton and form a new one.
Answer:
they form a cocoon as a transition stage
What is the mass of one molecule of sucrose C12H22O11?
5.68 × 10⁻²³ grams is the mass of one molecule of sucrose C₁₂H₂₂O₁₁. Sucrose, also known as table sugar, has the molecular formula C₁₂H₂₂O₁₁.
To calculate the mass of one molecule of sucrose, we need to first determine the atomic mass of each element in the molecule.
Carbon (C) has an atomic mass of 12.01 amu (atomic mass units), hydrogen (H) has an atomic mass of 1.01 amu, and oxygen (O) has an atomic mass of 16.00 amu. To calculate the molecular mass of sucrose, we can add up the atomic masses of all the atoms in the molecule:
(12 × 12.01 amu) + (22 × 1.01 amu) + (11 × 16.00 amu) = 342.30 amu
Therefore, the molecular mass of sucrose is 342.30 amu. This means that one molecule of sucrose has a mass of 342.30 atomic mass units.
To convert this to a more common unit of mass, we can use Avogadro's number, which tells us the number of particles in one mole of a substance. Avogadro's number is approximately 6.02 × 10²³ particles per mole.
To calculate the mass of one molecule of sucrose in grams, we can use the following formula:
Mass of one molecule of sucrose = (molecular mass of sucrose / Avogadro's number)
Mass of one molecule of sucrose = (342.30 amu / 6.02 × 10²³)
Mass of one molecule of sucrose = 5.68 × 10⁻²³ grams
Therefore, one molecule of sucrose has a mass of approximately 5.68 × 10⁻²³ grams.
In summary, the molecular formula of sucrose is C₁₂H₂₂O₁₁, and the mass of one molecule of sucrose is approximately 5.68 × 10⁻²³ grams. This calculation is based on the atomic masses of the elements in the molecule and Avogadro's number, which tells us the number of particles in one mole of a substance.
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the student claimed that the final pressure in the container in each experiment became constant because all of the caco3(s) had decomposed. based on the data in the experiments, do you agree with this claim? explain.
No, I agree with this assertion. The data from the experiments show that the final pressures were not constant.
What is experiments?Experiments are activities designed to test a hypothesis or explore a phenomenon. Experiments involve making observations and collecting data to analyze the results. Experiments can be used in a wide range of scientific fields such as biology, physics, chemistry, and psychology. Experiments are typically designed to control variables in order to measure the effects of an independent variable on a dependent variable. Experiments are often conducted in a laboratory setting but can also be conducted in the field or in the classroom. Experiments are essential for making discoveries and advancing scientific knowledge.
In particular, the final pressures in Experiments 3 and 4 were notably lower than the final pressures of the other experiments. This suggests that the caco3(s) had not completely decomposed in those experiments.
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how is water different from hydrogen peroxide even though both compounds are composed of only hydrogen and oxygen?
While both hydrogen and oxygen are present in water ([tex]H_2O[/tex]) and hydrogen peroxide ([tex]H_2O_2[/tex]), their structural differences give rise to differences in their chemical and physical characteristics.
The amount of oxygen atoms in each molecule of water and hydrogen peroxide is the key distinction between the two substances. Hydrogen peroxide has two oxygen atoms, compared to one in water. Hydrogen peroxide differs from water in both chemical and physical characteristics due to its distinct molecular structure.
A very reactive substance, hydrogen peroxide easily conducts chemical processes, including breakdown or reduction, to produce other molecules. The additional oxygen atom in hydrogen peroxide, which results in an unstable structure and a great propensity to react with other molecules, is the cause of this reactivity.
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________ stored in the chemical bonds of a molecule can be used to make new bonds in a different molecule.
energy
Energy stored in the chemical bonds of a molecule can be used to make new bonds in a different molecule.
What is chemical bonds?Atoms inside a molecule are joined together by chemical bonds. Strong intramolecular interactions like covalent and ionic bonds are among these bonds.
They are connected to weak intermolecular forces including hydrogen bonding, London dispersion forces, especially dipole-dipole interactions. An enduring affinity between ions or atoms known as a chemical bond is what allows molecules and crystals to form. Energy stored in the chemical bonds of a molecule can be used to make new bonds in a different molecule.
Therefore, energy stored in the chemical bonds of a molecule can be used to make new bonds in a different molecule.
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What is the mode of heat transfer through a moving fluid medium called?ConvectionEnergeticRadiationX-ray
This type of heat transfer is called convection. The fluid above a hot surface expands, becomes less dense, and rises.
What is the mode of heat transfer through a moving fluid medium called?Transmission is the movement of heat by a fluid such as water or air. The fluid (liquid or gas) moves from one position to another, transferring heat along with it. Radiation heat transfer is a procedure where heat waves are emitted that may be soaked up and reflected
Heat transferred per unit time relocation heat transfer coefficient heat-transfer area of the aspect temperature of the surface and temperature of the fluid.
So we can conclude that displacement is the heat transfer by the macroscopic movement of a fluid. This type of transfer takes place in an exacted-air furnace and in weather institutions.
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on an autumn day in washington, dc the outdoor temperature was 21 °c. what was this outdoor temperature in °f?
The outside temperature in Washington, DC, on a fall day was 21 °C. This outside temperature in °f was 70.
How do you interpret temperature?On any of a variety of scales, including Fahrenheit and Celsius, temperature is a unit that expresses how hot or chilly something is. Heat energy will logically go from a warmer (body with a higher temperature) to a colder (body with a lower temperature) according to temperature (one at a lower temperature).
Is it zero degrees outside?The point on the thermometer when a system reaches its lowest possible energy, or thermal motion, is known as absolute zero, or zero kelvins. That corresponds to a temperature of -459.67 degrees Fahrenheit or 273.15 degrees Celsius. But there's a problem: you can't get to absolute zero
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Calculate the pH change when of 1 mL of 0.2 M HCl is added to 50 mL of deionized water.
The pH change when of 1 mL of 0.2 M HCl is added to 50 mL of deionized water is -1.
Using the dilution formula which is,
M1V1=M2V2
(0.2)(50)=M2(1)
M2=10
pH formula: -log(H+)
= -log(10)
=-1
What is pH?The pH of a solution indicates how acidic it is. The pH of pure water is 7.
The pH scale is used in chemistry to determine whether an aqueous solution is basic or acidic. The term pH originally meant "hydrogen potential". Acidic solutions often have lower pH values than basic or alkaline solutions.
Water is neither acidic nor basic, it is neutral at pH 7. The scale ranges from 0 (very acidic) to 14 (very basic) (very basic). Water is often between 6.5 and 8.5 on the scale.
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When 50 mL of deionized water and 1 mL of 0.2 M HCl are combined, the pH changes to -1.
According to the given data:Using the dilution formula which is,
M1V1=M2V2
(0.2)(50)=M2(1)
M2=10
pH formula: -log(H+)
= -log(10)
=-1
What is pH?How acidic a solution is can be determined by its pH. Pure water has a pH of 7. In chemistry, the pH scale is used to identify how an aqueous solution is basic or acidic. "Hydrogen potential" was the original meaning of the term pH. The pH of acidic solutions is frequently lower than that of basic or alkaline solutions. At a pH of 7, water is neither acidic nor basic. From 0 (extremely acidic) to 14 (very basic), the scale runs (very basic). On the pH scale, water frequently ranges from 6.5 to 8.5.
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What ingredient in raw bread dough can cause poisoning?
A. Flour
B. Soy
C. Sugar
D. Yeast
Answer:
I think Flour causes poisoning
MARKING BRAINIEST Which conditions are necessary for hail to form?
Strong winds within the cloud bounce the frozen water around and add layers of frozen water.
Strong winds below the cloud cause the frozen water to melt and cause water vapor to condense.
The above freezing temperature of the air in the cloud adds more layers of ice to the water droplets.
The freezing temperature of the air below the cloud causes the water droplets to freeze.
The conditions that are necessary for hail to form is The freezing temperature of the air below the cloud causes the water droplets to freeze.
Which conditions are necessary for clouds to form?It should benoted that the Clouds form asd a result of the invisible water vapor in the air whichcondenses into visible water droplets whichis been conidered as the ice crystals.
It should benoted that this can take place wheen the parcel of air must be saturated, which implies that iot can no longer hold all the water it contains in vapor form, then it turns to condense into a liquid or solid form.
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The reaction of benzaldehyde with acetone and sodium hydroxide produces ____________ This is an example of ____________ reaction.
a. stilbene
b. dibenzylideneacetone
c. benzocaine
d. anthracene
e. triphenyl methanol
The reaction of benzaldehyde with acetone and sodium hydroxide produces dibenzylideneacetone. This is an example of a condensation reaction, specifically a crossed aldol condensation.
In this reaction, benzaldehyde and acetone undergo a nucleophilic addition reaction with the strong base sodium hydroxide. The sodium hydroxide deprotonates the alpha-carbon of the carbonyl group in both benzaldehyde and acetone, creating nucleophilic enolate intermediates. The enolate of acetone then attacks the carbonyl group of benzaldehyde, forming an intermediate that subsequently loses a water molecule, leading to the formation of dibenzylideneacetone.
Dibenzylideneacetone is a yellow solid and is used as a UV absorber, as a flavoring agent, and in the preparation of fragrances. The crossed aldol condensation reaction is an important synthetic route to form α,β-unsaturated carbonyl compounds, which have numerous applications in organic chemistry.
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Consider the following game: Player 1 Cheat Player 2 Cheat Cooperate 5,5 12, 2 9,9 Cooperate 2, 12 What are the equilibrium
Answer:
This is a simple example of a two-player game known as the Prisoner's Dilemma. The payoffs represent the benefits or costs of different strategies chosen by the players. The equilibrium of the game is the combination of strategies that neither player has an incentive to change given the strategy of the other player.
In this game, both players can choose to either "Cooperate" or "Cheat". The payoffs for each combination of choices are given in the matrix below:
Player 2: Cooperate Player 2: Cheat
Player 1: Cooperate (5,5) (12,2)
Player 1: Cheat (2,12) (9,9)
The dominant strategy for both players is to "Cheat". This means that, regardless of the choice of the other player, each player will do better by choosing "Cheat" rather than "Cooperate".
However, if both players choose "Cheat", they will get a lower payoff than if they both choose "Cooperate". Therefore, there is an incentive for both players to choose "Cooperate" instead of "Cheat". This is the paradox of the Prisoner's Dilemma: even though both players would be better off if they cooperated, the dominant strategy leads to a suboptimal outcome.
The Nash equilibrium of the game is the combination of strategies in which neither player has an incentive to change given the strategy of the other player. In this case, the Nash equilibrium is the combination of "Cheat" and "Cheat" because this is the dominant strategy for both players, and there is no other combination of strategies that both players would prefer. However, the "Cooperate" and "Cooperate" outcome would be a more desirable outcome for both players, but they cannot achieve it without cooperation.
for the activated carriers widely used in metabolism nadh, nadph, fadh2. what is the the group with high-energy linkage?a. hydrogen and electronsb. phosphatec. carboxyl groupd. methyl groupe. glucosef. acetyl group
The group with a high-energy linkage in the activated carriers NADH, NADPH, and FADH₂ is hydrogen and electrons. Option A is correct.
These molecules are involved in redox reactions, which transfer electrons from a donor molecule (such as glucose) to an acceptor molecule (such as oxygen), releasing energy that can be used to generate ATP. NADH, NADPH, and FADH₂ all carry high-energy electrons that can be used to power ATP synthesis through oxidative phosphorylation.
The other groups listed (phosphate, carboxyl, methyl, glucose, and acetyl) are important in metabolism but do not have high-energy linkages like hydrogen and electrons.
Hence, A. Hydrogen and electrons is the correct option.
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