describe how each type of fossil fuel forms.

Answers

Answer 1

Fossil fuels are created by the decomposed plants and animals which were altered to natural gas, heavy oils or crude oil due to being exposed to a extreme condition of heat and pressure under the earth's crust over millions of years.

Generally, after millions of years underground, the compounds that make up plankton and plants turns into fossil fuels. Basically, plankton decomposes into natural gas and oil, whereas plants become coal. Now-a-days, humans extract these resources through coal mining and the drilling of oil and gas wells on land and offshore.

Fossil fuels are limited and are non-renewable sources. Now-a-days the use of fossil fuels are in alarming rate. We must use fossil fuels in a sustainable way for better future.

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Related Questions

What does CO2 do to the brain?

Answers

The CO₂ does to the brain is CO₂ increases the brain excitability and the Severe hypercapnia can cause the organ or the brain to damage.

The CO₂ that is the carbon dioxide is increase the brain excitability. The higher value of the CO₂ will cause the severe hypercapnia and it will cause the organ and the brain to damage and it will lead to the death.

The hypocapnia that is the  low level of the CO₂ , that will reduces the blood flow in the brain by the narrowing the blood vessels. The Hyperoxia can also alters the speed of the heart rate and the blood pressure and the blood levels of the some of the hormones.

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Consider the following unbalanced equation:
NH3(g) → N₂(g) + H₂(g)

Answers

Answer: 2NH3(g) → N₂(g) +3 H₂(g)

Both sides have:

2 nitrogens

6 hydrogens

A nurse observes that a patient admitted for trauma is lethargic with PaO2 57 mmHg. The presence of which other factor(s) should lead the nurse to anticipate endotracheal intubation?

Answers

The presence of a PaO2 of 57 mmHg, combined with the patient's lethargy and the nurse's assessment of other vital signs, should lead the nurse to anticipate endotracheal intubation.

This is because a normal PaO2 level is around 90-95 mmHg, so a PaO2 of 57 mmHg indicates that the patient's oxygen saturation is low, which can be a sign of respiratory distress. Therefore, the nurse should anticipate that the patient may require intubation. In addition, the nurse should also consider the patient's level of lethargy. If the patient is displaying increased levels of lethargy, it may be indicative of inadequate oxygen delivery to the tissues. This could suggest that the patient is not able to take in enough oxygen, and therefore, intubation is warranted.

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In the decomposition of aqueous sodium hydroxide, how many moles of sodium hydroxide are needed to produce 30.0 moles of liquid water? (30.0 moles NaOH) ​2NaOH +h2 → 2Na+2h2o

Answers

Answer:

Explanation:

Consider the stoichiometry of the reaction, which is the ratio of reactant particles to product particles in the reaction. So in this reaction, the stoichiometry is:

2 : 1 : 2 : 2

Therefore, if you have 30 moles of water, than you have 30 moles of sodium hydroxide, 15 moles (30÷2) of hydrogen gas, and 30 moles of sodium.

Transcribed image text: Group the electronic configurations of neutral elements in sets according to those you would expect to show similar chemical properties. Note that as long as the configurations are grouped correctly with regard to each other, it does not matter which set you assign to each group. Set A Set B Answer Bank 1:22:2 182 1922s22p03823p64323204p2 1322322p03823p 4323d"°4p65324d05p2 1922,22p3:23p6432 1.322s22p 3,23p64323 5p6s2445dº6p2

Answers

The element with electron configuration [tex]1s^22s^22p^63s^23p^3[/tex] and the element with electronic configuration [tex]1s^22s^22p^3[/tex] will show similar chemical properties as they both have the same valence electrons of 5.

Group 1: a and d: [tex]1s^22s^22p^63s^23p^3[/tex]and [tex]1s^22s^22p^3.[/tex]

Both a and d have a full valence shell of 3s^2 and 3p^6, meaning that they would be expected to show similar chemical properties.

Group 2: b and c: [tex]1s^22s^22p^63s^23p^63d^{10}4s^24p^5[/tex] and [tex]1s^22s^22p^63s^23p^6[/tex].

Both b and c have a different valence shell of electrons. The chemical characteristics of the elements in the same group tend to be similar. The element with the same number of valence electrons belongs to the same group based on the electrical configuration.

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what is lilo and stitch experiments

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Stitch, also known as Project 626, is one of the two main characters in the Lilo & Stitch franchise and a genetic experiment that Jumba Jookiba conducted without permission.

Lilo and stitch experiments explaination

This is a list of the Disney cartoon Lilo & Stitch franchise's experiments, the majority of which debuted in Lilo & Stitch: The Series. These fictitious studies, also known as Stitch's cousins, are genetically modified creatures made by Dr. Jumba Jookiba in his laboratory at "Galaxy Defense Industries," with the help of Dr. Jacques von Hämsterviel, who provided funding for the projects through "shady" business agreements.

Every experiment conducted before the events of Lilo & Stitch was dried into a tiny ball called a "experiment pod" and transported in a specific container. The container in Stitch! The Movie was unintentionally opened, letting the pods fall on Kauai. Because many of the experiments are risky and Kauai is among the wettest places on Earth, it is concerning that the experiments inside the pods reactivate when they come into touch with water.

Each experiment is given a name when it is encountered by Stitch's human friend and partner Lilo, just as she did for Stitch. The two then make an effort to save the experiments and provide them a use on Earth that is appropriate for their unique skills, referred to as the "one true place" they belong.

Stitch refers to the other experiments as his "cousins" and views them as all being a part of his ohana, or "extended family," taking terminology from Hawaii. In Leroy & Stitch, the credits include names and numbers for each of Jumba's original 626 experiments.

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The lock and key model and the induced fit model are two models of enzyme action explaining both the specificity and the catalytic activity of enzymes.Following are several statements concerning enzyme and substrate interaction. Indicate whether each statement is part of the lock and key model, the induced fit model, or is common to both models.

Answers

When enzymes bind to substrates, they change conformation.the induced fit model

Like a key in a lock, substrates and enzymes work together seamlessly.

lock-and-key design

A complementary active site is created in the enzyme through a conformational shift brought on by the interaction of the substrate.

the induced fit model

Van der Waals forces and hydrogen bonds, for example, are weak, non-specific forces that mediate interactions between enzymes and substrates.

shared by both models. The active site of the enzyme is already configured properly to bind the substrate with great specificity.

Because enzymes can adapt the shape of their active site to match various substrates, they can catalyse a wide variety of processes.

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Of the following compounds, identify the ones that are polar covalent.

H2O
NCl3
AuCl3
ClO2
SF4
SO3

Answers

Among the given covalent compounds, the one which is most polar in nature is water , H₂O. Hence option a is correct.

What are polar covalent compounds ?

Covalent compounds are formed by the sharing of electrons between the bonded atoms. Nonmetals with electron deficiency form covalent compounds.

If one element in the covalent compound is more electronegative than  the other, the shared pair of electrons will attracts towards the electronegative atom, leads to partial charge separation and having a permanent dipole moment.

Such compounds are called polar compounds. In water, oxygen is highly electronegative and electrons of the bond attracts towards it make it an OH- end H+ end make water a polar covalent compound.

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what is label of periodic table?

Answers

The label of the periodic table is that the Groups are labeled at the top of the each column and the horizontal rows are called as the periods.

The elements are arranged in the seven horizontal rows, that are called as the periods or the series, and there are the 18 vertical columns that are  called as the groups. The Groups are labeled at the top of the each column. The labelled parts of the element in the periodic table will tells the atomic number and the atomic mass of the element.

The upper labelled part is  the atomic number of the element and The lower part is the atomic mass of the element in the periodic table.

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__________ structure influences how atoms are bonded together

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Atomic structure influences how atoms are bonded together.  Atomic derives from the Latin atoms, "indivisible particle," from the Greek atomos, "uncut" or "indivisible." Adjective of, pertaining to, or consisting of atoms is defined as "atomic."

The fundamental unit of chemistry is the atom. It is the smallest particle that can be separated into the matter without releasing electrically charged particles. Moreover, it is the smallest piece of matter with the characteristics of a chemical element.

Quarks and electrons, two different types of basic particles, make up atoms. The area around the nucleus of an atom is filled with electrons. A single electron has a -1 electrical charge. Protons and neutrons are made of quarks, and the nucleus of an atom is made up of these particles.

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Quickest right answer will get brainliest answer !!
2Na+ Cl₂ → 2NaCl
Which set of reactants will be the
most efficient (least wasteful of
materials) for the reaction?
(look at picture)

Answers

The most efficient set of reactants for this reaction would be 2 moles of Sodium ([tex]2Na[/tex]) and 1 mole of Chlorine gas ([tex]Cl_2[/tex]). Using any other amounts of reactants would result in leftover reactants, which would be wasteful.

What do reactants mean?

Reactants refer to the substances or compounds that are involved in a chemical reaction and undergo a transformation to produce new substances or compounds known as products. In other words, reactants are the starting materials of a chemical reaction.

During a chemical reaction, reactants interact with each other and undergo a rearrangement of their atoms, resulting in the formation of new substances with different chemical and physical properties. The chemical reaction can be represented by a chemical equation, which shows the reactants on the left-hand side and the products on the right-hand side.

For example, in the chemical equation:

[tex]2H_2 + O_2[/tex] → [tex]2H_2O[/tex]

[tex]H_2[/tex] and [tex]O_2[/tex] are the reactants, and [tex]H_2O[/tex] is the product. In this case, hydrogen gas ([tex]H_2[/tex]) and oxygen gas ([tex]O_2[/tex]) react with each other to form water [tex](H_2O)[/tex] through a chemical reaction.

Step 1: Write the unbalanced chemical equation for the reaction, using the chemical symbols for the reactants and products:

[tex]Na + Cl_2[/tex] → [tex]NaCl[/tex]

Step 2: Balance the equation by adjusting the coefficients to make sure that the number of atoms of each element is the same on both sides of the equation:

[tex]2Na + Cl_2[/tex] → [tex]2NaCl[/tex]

Now the equation is balanced, and it shows that 2 moles Na and 1 mole [tex]Cl_2[/tex] are needed to produce 2 moles [tex]NaCl[/tex].

Therefore, using any other amounts of reactants would result in leftover reactants, which would be wasteful.

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Jus 2a and b bc I don’t kno the answer to them

Answers

a) The theoretical yield of H2O is 16.25 grams.

b) The actual yield of H2O is 13.81 grams

The Propane Combustion Yield.

First, balance the equation

C3H8 + SO2 → 3CO2 + 4H2O

a) To calculate the theoretical yield of H2O when starting with 10 grams of C3H8, we first need to determine the limiting reagent. This is the reactant that will be completely consumed in the reaction, thereby limiting the amount of product that can be formed.

The molar mass of C3H8 is 44.1 g/mol,

so 10 grams of C3H8 is equivalent to 10/44.1 = 0.226 moles of C3H8.

The molar mass of SO2 is 64.1 g/mol. We don't know how much SO2 we have, so we need to use stoichiometry to determine the amount required to react with 0.226 moles of C3H8.

From the balanced equation, we can see that the molar ratio of C3H8 to SO2 is 1:1.

Therefore, we need 0.226 moles of SO2 to react with 0.226 moles of C3H8.

The molar ratio of H2O to C3H8 is 4:1.

So if 0.226 moles of C3H8 react, we can expect to produce 4 times as many moles of H2O.

The molar mass of H2O is 18.0 g/mol, so the theoretical yield of H2O is:

0.226 mol C3H8 × 4 mol H2O/mol C3H8 × 18.0 g/mol H2O

= 16.25 g H2O

Therefore, the theoretical yield of H2O is 16.25 grams.

b) If the actual yield of H2O is 85% of the theoretical yield, then the actual amount of H2O produced is:

0.85 × 16.25 g = 13.81 g

Therefore, the actual yield of H2O is 13.81 grams.

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A student increases the temperature of a 300 cm³ balloon from 80°C to 140°C. What will the new volume of the balloon be?
351 cm
525 cm
171.4 cm
37.3

Answers

The new volume of the balloon will be approximately 351 cm³.

How to determine the new volume of the balloon?

First we can use the combined gas law, which states that the product of the pressure and volume of a gas is directly proportional to its temperature. This can be written as:

P1V1/T1 = P2V2/T2

where

P1, V1, and T1 are the initial pressure, volume and temperature P2, V2, and T2 are the final pressure, volume and temperature

Since the problem doesn't provide any information about the pressure or the number of moles of gas in the balloon, we can assume that these variables are constant and cancel them out of the equation. This leaves us with:

V1/T1 = V2/T2

Plugging in the values we have:

V1 = 300 cm³

T1 = 80°C + 273.15 = 353.15 K

T2 = 140°C + 273.15 = 413.15 K

V2 = V1 x T2 / T1 = 300 cm³ x 413.15 K / 353.15 K ≈ 351 cm³

Therefore, the new volume of the balloon will be approximately 351 cm³.

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What primary problem does the following ABG information describe? pH: 7.5 PaCO2: 19 mmHg HCO3: 16 mEq/L

Answers

Respiratory alkalosis is the primary problem that the given ABG information describe.

What is Respiratory alkalosis?

When the blood's acid-base balance is upset by high levels of carbon dioxide, respiratory alkalosis results. People who have rapid, uncontrollable breathing frequently experience it (hyperventilation). Therapies to lower the risk of hyperventilation are part of the treatment.

Your body works nonstop to maintain the proper acid-base (alkali) balance in your blood. When there is too much alkali and not enough acid, alkalosis develops. The acid-base balance may change chemically in response to changes in breathing or metabolism.

The most common cause of respiratory alkalosis is overbreathing, also known as hyperventilation, which happens when you breathe in deeply or quickly.

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Complete question:

What primary problem does the following ABG information describe?

pH: 7.5

PaCO2: 19 mmHg

HCO3: 16 mEq/L

A. metabolic acidosis

B. metabolic alkalosis

C. respiratory acidosis

D. respiratory alkalosis

What type of bcl3 ? polar or nonpolar?

Answers

The chemical boron trichloride (BCl3) is nonpolar. The molecule has a trigonal planar structure, with three chlorine atoms surrounding the central boron atom.

In BCl3, three chlorine atoms form covalent connections with the boron atom. While chlorine has seven valence electrons, boron's valence shell only has three. Boron thus forms three single covalent connections with three chlorine atoms by sharing its three valence electrons with them. The three B-Cl bonds are all polar because chlorine has a stronger electronegativity than boron. The three chlorine atoms are, however, symmetrically positioned around the primary boron atom because the molecule has a trigonal planar geometry and is symmetrical. This configuration causes the three B-Cl bonds' dipole moments to cancel out, resulting in a net dipole moment of zero. As a result of its lack of polar bonds, BCl3 is regarded as a nonpolar molecule.

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Explain why most volcanoes occur at plate boundaries and which two types of boundaries are most common.

Please explain why your answer is correct

Answers

Most volcanoes occur at plate boundaries because the tectonic plates are moving away from one another and the Earth's crust is pulled apart to create a new pathway for rising hot magma to flow on to the surface while the  two types of boundaries which are most common are:

Divergent plate boundaries.Convergent plate boundaries.

What is a Volcano?

This is referred to as a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.

It occurs at the plate boundaries because Earth's crust is pulled apart to create a new pathway for rising hot magma to flow on to the surface and the types which are most common are divergent plate boundaries which includes two tectonic plates that are moving away from each other and convergent plate boundaries which involves two tectonic plates moving toward each other.

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the functional group of the amino acid histidine has a pka of approximately 6.0. what would you expect would be true of a histidine residue in an enzyme in a solution with ph 4.0?

Answers

At a pH of 4.0, the environment would be acidic and the histidine residue would be protonated because the pH is lower than the pKa of its functional group (which is approximately 6.0).

The ionisation state of amino acid residues, particularly histidine, can be critical for enzyme performance. The histidine residue's protonation status can alter its capacity to interact with other residues or substrates in the enzyme's active site. As a result, a histidine residue in an enzyme at a low pH of 4.0 would most likely be protonated, altering its catalytic characteristics and perhaps affecting the enzyme's overall activity.

Amino acids are chemical compounds that are used to construct proteins. There are 20 different amino acids found in proteins, each with its own side chain that defines its chemical and physical properties.

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In an unmyelinated axon, when an action potential propagates to a neighboring patch of membrane, the initial event is a.opening of voltage-gated sodium channels in the neighboring patch of membrane, b.opening of voltage gated potassium channels in the neighboring patch of membrane. c.graded hyperpolarization of the neighboring patch of membrane d.graded depolarization of the neighboring patch of membrane

Answers

The initial event when an action potential propagates to a neighboring patch of membrane in an unmyelinated axon is the opening of voltage-gated sodium channels in the neighboring patch of membrane. Option A is correct.

This results in depolarization of the neighboring patch of membrane and the propagation of the action potential. Depolarization refers to a change in the electrical potential of a cell membrane, such that the inside of the cell becomes less negative (or even positive) relative to the outside.

This change in membrane potential is caused by the movement of ions, such as sodium (Na⁺) or calcium (Ca²⁺), into the cell, or the movement of potassium (K⁺) out of the cell.

An unmyelinated axon is a type of nerve fiber in which the axon is not covered by a myelin sheath. In unmyelinated axons, the action potential propagates continuously along the entire length of the axon, with no interruption or delay.

Hence, A. opening of the voltage-gated sodium channels in the neighboring patch of membrane is the correct option.

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what is the most appropriate action if a chemical has just splashed on a person's face in lab? [ select ]

Answers

If the eyes are not yet impacted, wash the face without taking off the goggles. Dry the chemical with paper towels or remove it with a wipe.

chemicals that contact the face or eyes In the event that chemicals come into contact with the face or eyes, utilize the eyewash station. Quickly wash your eyes for at least 15 minutes with flowing water from an eyewash station. To make the eyes stay open while flushing, gently open the eyelids with your fingertips.

DO NOT TAKE OFF your goggles if a chemical splashes on your face while you are wearing them. After cleaning the afflicted area, carefully take off your goggles covering your eyes. Burns: For 20 minutes, flush the area with cool water and let the instructor know.

The skin must be quickly cleansed with water for at least fifteen minutes after contaminated clothing has been removed. Before being worn again, clothes must be cleaned. For more details, see First Aid for Chemical Exposures.

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What is the number 6.022 x 1023 called?

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6.022 x 1023 is referred to as Avogadro's number. In chemistry, it denotes the quantity of atoms, molecules, or ions in one mole of a material. The amount of particles in one mole of a material is equal to the

The quantity of particles (atoms, molecules, or ions) in one mole of a material is known as Avogadro's number, which is a fundamental constant in chemistry. In terms of particles per mole, Avogadro's number is around 6.022 x 1023. Amedeo Avogadro, an Italian physicist, initially put out this theory in the 19th century to describe how gases behave. The amount of particles in one mole of a material is equal to the number of atoms in 12 grammes of pure carbon-12. Avogadro's number is crucial to our comprehension of the make-up and behaviour of matter since it is employed in several calculations and measurements in chemistry, such

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Identify the acid associated with each conjugate base. Choose... SO42- Choose... Cl- Choose... OH Choose... F Choose... v

Answers

A conjugate base is a species that is created by taking a proton out of an acid since, in the opposite reaction, it might help a hydrogen ion.

The conjugate acid of sulphate (SO42−) is hydrogen sulphate (HSO42−)The conjugate acid of OH− is H2O because when OH− gains a hydrogen ion, it forms H2O.Cl − Chloride ion HCl Hydrogen chlorideF–Choose...HF Water HCl HI Hydronium ion Bisulfate ion Sulfuric acid

According to the Bronsted-Lowry acid-base theory, a conjugate acid is a chemical molecule that is created when an acid donates a proton to a base; in other words, it is a base that has had a hydrogen ion added to it, as in the opposite reaction, the base loses a hydrogen ion.

The conjugate base of some acids may also be acidic since they have the capacity to liberate a few protons.

According to Bronsted-concept Lowry's of acids and bases, a conjugate acid-base pair consists of two compounds that differ most from one another when a proton (H+) is present. 

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How would you arrange the following amines in order of decreasing base strength?NH3CH3NH2(CH3)2NHNH2Br

Answers

In decreasing sequence of base strength, we have: (CH3)2NH>CH3NH2>NH3>NH2Br amines are present.

The equivalent amine should be considered to be a stronger base. In this case, if the substituted ammonium cation is more stable. In this scenario, the sequence of basicity for aliphatic amines should be as follows: primary > secondary > tertiary. Inductive effect is determined as the reverse of the order.

The acid or base is more potent. The greater the dissociation constant, more potent it is. There is a relation between the strength of an acid as well as base. This is along with the electrolyte it creates. This is because electrolytes are formed as ions are released eventually into the solution. pH scales are used for acids and bases measurement.

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What happens when you try to heat up a substance that has a high specific heat?

Answers

When you try to heat up a substance that has a high specific heat, it will require a lot of energy to raise its temperature. This is because substances with high specific heat have a greater ability to absorb heat energy without undergoing a significant temperature change.

For example, water has a high specific heat, which means it can absorb a lot of heat energy before its temperature increases significantly. This is why water is commonly used to regulate temperature in various applications, such as in cooling systems or in living organisms that need to maintain a stable internal temperature.

So, if you try to heat up a substance with a high specific heat, you will need to supply a large amount of heat energy to cause a noticeable increase in temperature. Conversely, if you try to cool down the same substance, it will release a large amount of heat energy before its temperature decreases significantly.

Specific heat is the amount of heat energy required to raise the temperature of a substance by a certain amount, usually one degree Celsius or Kelvin. Different substances have different specific heat values, and these values depend on the physical and chemical properties of the substance.

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39. a compound of carbon and hydrogen contains 92.3% c and has a molar mass of 78.1 g/mol. what is its molecular formula?

Answers

The molecular formula of the compound is (CH)6 or C6H6

Molecular formula calculation.

To determine the molecular formula of a compound from its percentage composition and molar mass, we can follow these steps:

Convert the percentage composition of each element into its corresponding mass.

The compound contains 92.3% C and 7.7% H. Assuming a 100-g sample of the compound, the mass of C is:92.3 g C = (92.3/100) x 100 g sample = 92.3 g

The mass of H is:

7.7 g H = (7.7/100) x 100 g sample = 7.7 g

Calculate the number of moles of each element

The number of moles of C is:

n(C) = m(C) / M(C)

n(C) = 92.3 g / 12.01 g/mol = 7.689 moles

The number of moles of H is:

n(H) = m(H) / M(H)

n(H) = 7.7 g / 1.008 g/mol = 7.639 moles

Divide the number of moles of each element by the smallest number to obtain the simplest whole-number ratio of the elements.

Dividing both values by 7.639, we get:

n(C) = 1.007

n(H) = 1.000

Rounding these values to the nearest whole number, we get:

Therefore, the empirical formula of the compound is CH.

Now, we need to determine the molecular formula by finding the factor by which the empirical formula must be multiplied to get the molar mass of 78.1 g/mol.

The molar mass of the empirical formula CH is 12.01 g/mol + 1.01 g/mol = 13.02 g/mol.

Dividing the molar mass of the compound by the molar mass of the empirical formula gives us the factor by which the empirical formula must be multiplied:

78.1 g/mol ÷ 13.02 g/mol ≈ 6

Therefore, the molecular formula of the compound is (CH)6 or C6H6 after getting the empirical formula.

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when a thermometer is placed in a substance, what is it actually measuring?

Answers

A thermometer is a device used to gauge temperature. It may gauge the temperature of a solid substance, like food, a liquid substance, like water, or a gas, like air.

Describe a thermometer?

It was created to measure the temperature of the human body. It is a lengthy, narrow glass tube with a mercury-filled bulb at the end. A person's body temperature typically ranges from 35 to 42 degrees Celsius, or 37 in Celsius. This is why the clinical thermometers have a range of 35 to 42 C.

What measurement determines the energy content of a substance?

The joule is the SI unit for all three types of energy (J). The energy required to change the temperature of a substance or object is measured using the terms specific heat and heat capacity.

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Select the effect of the size of a sample on the melting point measurement
A) the larger the sample, the more accurate the measurement
B) the sample should not be large, because a large sample would produce a higher and broader mp range
C) the size of the sample doesn't affect the mp measurement

Answers

Answer:

B) the sample should not be large, because a large sample would produce a higher and broader mp range.

The size of the sample can have an effect on the melting point measurement. Using a large sample size can lead to a higher and broader melting point range, making it more difficult to accurately determine the melting point of the substance. This is because a larger sample will take longer to heat uniformly, resulting in a less precise melting point measurement. Additionally, a larger sample may contain impurities that can affect the melting point range. Therefore, it is recommended to use a small sample size when measuring the melting point of a substance to obtain accurate and precise results.

Explanation:

How many oxygen atoms are there in 52.06 g of carbon dioxide? (a) 1.204 × 10 24 (b) 5.088 × 10 23 (c) 1.424 × 10 24 (d) 6.022 × 10 23 (e) 1.018 × 10 24

Answers

The Molar mass concept helps to determine the moles of substance fir provide mass of substance. The oxygen atoms present in 52.06 g of carbon dioxide are equals to 1.424 ×10²⁴. So, correct answer is option (c).

Molar mass is the mass of one mole of a substance in grams of that substance. Molar mass is determined using atomic mass values from the periodic table. The atomic mass is written in atomic mass units, and molar mass is written in grams. Now the mass of carbon dioxide =52.06 g

The molar mass of carbon dioxide, M= 2×16 g/mol + 12 g/mol = 32 g/mol + 12.

01 g/mol = 44.01 g/mol

We can now solve this problem by converting 52.06 g of carbon dioxide to moles of carbon dioxide. Avogadro's number (6.022×10²³) into carbon dioxide molecules. Finally multiply by 2. Because every carbon dioxide molecule has two oxygen atoms.

= (52.06 g CO₂) × (1 mol CO₂)/44.1 g CO₂) × (6.022×10²³ CO₂ molecules/1 mol CO2)× (2 Oxygen atoms/1 CO₂ molecule)

= 1.424×10²⁴ oxygen atoms.

So, the desired number of atoms is 1.424×10²⁴ oxygen atoms.

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which equation represents the integrated rate law for a zero-order reaction?
a. at=-kt+a0
b. 1/a=kt+1/a0
c. t=.693/k
d. lna=-kt+lna

Answers

The equation represents the integrated rate law for the zero-order reaction is at = - kt + a0. The correct option is a.

The integrated rate equation for the zero-order reactions is the equation name given to the equation. The integrated rate law for a zero-order reaction is as follows :

at = - kt + a0

The above equation is the equation that is known as the integrated rate equation for the zero order reactions. The zero - order reaction is the one whose rate is the independent of the concentration, its the differential rate law that is rate = k. This refer to the reactions as the zero order because we could also write the rate in the form such that the reactant in the rate law is the 0. Therefore, option a is correct.

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question 1 a spreadsheet cell contains the coldest temperature ever recorded in new zealand: -22 °celsius. what function will display that temperature in fahrenheit?

Answers

When the temperature conversion function =CONVERT(-22, "C", "F") is applied, a reading of -22 °C in Fahrenheit is displayed. On a variety of scales, including the Fahrenheit and Celsius systems, temperature is a unit that is used to denote hotness or coolness.

Heat energy will logically go from a hotter (body with a higher temperature) to a colder (body with a lower temperature) according to temperature (one at a lower temperature).

A temperature is a measurement used to express how hot or cold something is. It demonstrates how heat energy naturally flows from a hotter body to a cooler body and can be expressed in terms of any number of arbitrary scales (one at a lower temperature).

A match is burning at a far greater temperature than an iceberg, yet an iceberg has a significantly higher total heat energy than a match. Temperature is not the same as the energy of a thermodynamic system.

The temperature, along with pressure, density, and other similar properties, is referred to as an intense property as opposed to extensive characteristics like mass or volume—one that is independent of the quantity of stuff being addressed.

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how many camp molecules are necessary to activate protein kinase a?

Answers

Two cyclic AMP molecules are required to activate protein kinase A, an enzyme that plays a crucial role in cellular processes.

Protein kinase An is a catalyst that assumes a vital part in numerous cell processes, including digestion, quality articulation, and cell division. Its movement is controlled by cyclic AMP (cAMP), a little particle that ties to the administrative subunits of protein kinase An and discharges the synergist subunits. Two cAMP particles are expected to enact protein kinase A by restricting to every one of the two administrative subunits, causing a conformational change that delivers the reactant subunits, which can then phosphorylate target proteins. The degree of cAMP in cells is directed by different flagging pathways and chemicals, permitting protein kinase A to answer changes in the cell's current circumstance and direction cell reactions.

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