predict the theoretical mass of baco3 that should form

The average atomic mass of copper can be calculated from the mass and percentage abundance of its isotopes. The average atomic mass of copper is 36.54 amu.

Isotopes are atoms of same element with different mass number. Isotopes slightly differ in physical and chemical properties from each other.

The average atomic mass of an element is calculated with the formula given below:

average atomic mass  = ∑ (% abundance /100) × isotopic mass.

mass of Cu-63 = 62.93 amu

% abundance = 69.15 %

mass of Cu-65 = 64.93 amu

% abundance = 30.85 %

Average atomic mass = (69.15 % /100 × 62.93 ) +  (30.85 % /100 × 64.93)

                                    = 63.54 amu.

Therefore, the average atomic mass of copper is 63.54 amu.

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Alchemists thought the philosopher's stone had the power to change base metals like lead into precious metals like gold or silver and could be utilized as an elixir of life to extend life.

Any of a wide range of opaque, fusible, ductile, & usually glossy substances, especially, one that is a chemical substance as opposed to an alloy. These substances are good conductors of heat and electricity create cations by the losses of electrons, or produce basic oxides and hydroxides.

Mass metal making, sheet metal formation, & sheet-bulk metal forming are the three different types of metal forming techniques. Forging, rolling, deep drawing, extrusion, wire drawing, & bending are just few common methods of metal formation.

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Every non-azeotropic refrigerant ought to be charged as a liquid. Containers for storing refrigerant that are reusable and have a pressure limit of 15 psig

With regard to compressor power and coefficient of performance, a non-azeotropic refrigerant combination is offered for use in heat pumps. This mixture is more efficient than currently available refrigerants or their blends.

The same proportion of the fluid and vapour phases characterizes an azeotropic mixture of chemicals. A mixture of two liquids is essentially what it is. The boiling temperatures of a zeotropic mixture are essentially constant or the same, and the liquid and vapour of the combination have the same chemical make-up.

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Parts per million is the type of concentration calculated when the grams of solute is divided by the grams of solution, and the result is multiplied by 1,000,000 (option 2)

Parts per million, or ppm, is one method of expressing concentration. The formula involves dividing the grams of solute and the grams of solution, then multiplying the result by 1,000,000 (one million). One milligram of solute per kilogram of solution is equal to parts per million.

This stands for "parts per million" and can also be written as mg/L (milligrams per liter). The mass of a chemical or contamination per volume of water is the unit of measurement here. On a lab report, ppm or mg/L both mean the same thing.

The absolute fractional amount multiplied by one million equals one ppm. To better understand ppm, imagine placing four droplets on a table.

The question is incomplete, it should be:

Which type of concentration is calculated when the grams of solute is divided by the grams of the solution, and the result is multiplied by 1 000 000?

(1) molarity

(2) parts per million

(3) percent by mass

(4) percent by volume

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The PH value of a saturated solution of phenobarbital is,[tex]p^H=4.88 \approx P^H \times 4.9$[/tex]

A saturated solution is a chemical solution containing the maximum concentration of a solute dissolved in the solvent. ​The additional solute will not dissolve in a saturated solution.

The amount of solute that can be dissolved in a solvent to form a saturated solution depends on a variety of factors. The most important factors are:

For saturated solution

W= [tex]1g[/tex], V=[tex]1000ml[/tex], [tex]m_{w}[/tex] = [tex]232.2g[/tex]

Now Molarity = [tex]\frac{WX1000}{m_{w} V}[/tex] = [tex]\frac{1X1000}{(23.2)(1000)}[/tex]

Molarity = [tex]0.0043m[/tex]

Given [tex]P^{ka}[/tex]=[tex]7.4[/tex]

Therefore, [tex]ka =[/tex] antilog [tex](-7.4)=3.98X10^{-8}[/tex]

[tex]$\left[\mathrm{H}_3 \mathrm{O}^{+}\right]=\sqrt{\mathrm{KaXc}} =\sqrt{3.98 \times 10^{-8} \times 0.0043}=1.30 \times 10^{-5}$ \\Now, $\mathrm{pH}^H=-\log \left(\mathrm{H}_3 \mathrm{O}^{+}\right]=-\log \left(1.30 \times 10^{-\mathrm{E}}\right)=4.88$.\\$\therefore p^H=4.88 \approx P^H \times 4.9$[/tex]

Therefore, the PH value of a saturated solution of phenobarbital is,[tex]p^H=4.88 \approx P^H \times 4.9$[/tex]

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The mass of the glass is 1 gram.

What is specific heat capacity?

 This refers to the amount of heat in joules (J) absorbed per unit mass (kg) of the material when its temperature rises 1 K (or 1 °C), and its units are J/(kg K) or J/(kg °C).

From the question:

cp= 0.20 cal/(g°C)

T = 150°C

heat added = 30 cal

To find the mass of the glass, you can use the formula:

mass = heat added / (specific heat capacity x temperature change)

Substituting the given values:

mass =           30 cal

              (0.20 cal/(g°C) x 150°C)

mass =             30

                 (0.20 x 150)

mass       = 30

                  30

mass = 1 g

Hence, the mass of the glass is 1 gram.

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A stopped car begins to accelerate at 2 m/s2 and continues this acceleration for 7 seconds, so its speed will be 14 m/s when it finishes accelerating, so the car's final speed is 14 m/s.

The speed of an object, such as a car, determines its velocity, and more importantly, the faster the speed, the faster the car arrives at its destination point, the calculation is shown below.

v = at + v₀,  (a= acceleration, v₀= initial velocity, t= time)

v= 2m/[tex]{s}^2[/tex] × 7 sec + 0 m/s

v= 14 m/s

Hence, a stopped car begins to accelerate at 2 m/s2 and continues this acceleration for 7 seconds, so its speed will be 14 m/s when it finishes accelerating, so the car's final speed is 14 m/s.

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The three industries that require batteries are the;

We know that batteries are pieces of hardware that are used to convert chemical energy into electrical energy. The chemical energy is stored in the battery. This energy can now be released by the use of some kind of electro chemical reactions.

Now, we should know that some industries tend to be more reliant on the use of battery technology than the other industries and there could be a lot of reasons for this.

For instance, in the medical sector, batteries are used to power a ,lot of gadgets that are used in medicine such as the pacemakers that can be able to serve as artificial hearts. In the electronic industries, the use of lithium ion batteries have become very common and they help in the production of gadgets. In the automotive sector, the batteries play a key role in the functioning of automobiles.

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As the forces of attraction are greater in solids than in liquids , volume of liquids is determined by graduated cylinder while that of solid is obtained by multiplying it's dimensions.

Forces of attraction  is a force by which atoms in a molecule  combine. it is basically an attractive force in nature.  It can act between an ion  and an atom as well.It varies for different states  of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as  the molecules present in solid are tightly held while it is minimum in gases  as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

The physical properties such as melting point, boiling point, density  are all dependent on forces of attraction which exists in the substances.

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A monoprotic acid is an acid that donates one proton (H+) when dissolved in water. Thus option E is the correct answer.

A monoprotic acid is an acid that donates one proton (H+) when dissolved in water, thus forming the corresponding conjugate base and hydronium ions (H3O+). Examples of monoprotic acids include hydrochloric acid (HCl), sulfuric acid (H2SO4), and acetic acid (CH3COOH).

A diprotic acid is an acid that donates two protons when dissolved in water. An example of diprotic acid is sulfuric acid (H2SO4). A tricrotic acid is an acid that donates three protons when dissolved in water. An example of tricrotic acid is phosphoric acid (H3PO4). An analyte is a substance or ion that is being analyzed in a chemical or biological sample.

Salt is a neutral compound formed from the reaction of an acid and a base, which typically contains positively and negatively charged ions. A titrant is a solution of known concentration, used to determine the concentration of an unknown solution through a titration process.

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The main idea of Amy Tan's text is the importance of communication through language.

It is the subject that the text wants to present.It is the subject that will guide all the information in the text.

In "Mother Tongue," Amy Tan uses her mother as an example to show the importance of communication. That's because it shows that her mother is a Chinese immigrant, who speaks "broken English."

Therefore, The main idea of Amy Tan's text is the importance of communication through language.

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On the basis of the model of kinetic energy, gases easily diffuse in one another because particles in gases move in random motion.

Gases involve a very fast diffusion rate. Because between the particles of gases, there exists a negligible force of attraction that make particles in gases move very swiftly throughout all directions.

Since gases easily diffuse because their particles move in random motion in all directions. Then these particles collide. This diffusion occurs from a high concentration region to a low concentration region.

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The equilibrium concentration of A, B and C are 0.02 M, 2.38 M and 3.04 M respectively.

When the products and reactants do not alter over time, we say that a chemical is in equilibrium concentration.

In other words, a chemical reaction enters a state of equilibrium or equilibrium concentration when the rate of the forward reaction equals the rate of backward reaction.

We are given:

Concentration = Number of moles/ Volume

So, the concentration of A is 2.30M

The concentration of B is 3.90M

If we factor in the chemical equation given: 3A(g) + 2B(g) ---> 4C(g)

Initial:          2.30       3.90

At eqllm:   2.30-3x   3.90-2x    4x

After solving, we would get that the equilibrium concentration of A, B and C are 0.02 M, 2.38 M and 3.04 M respectively.

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A person with a history of chemical dependency on controlled substances who desires to obtain A License. A license to practice Nursing students may be required to show proof of current sobriety and fitness to practice.

This rule is from the Texas Board of Nursing’s (BON) Administrative Rules. It is stated that any nurse who has a chemical dependency diagnosis or a history of controlled substance abuse must demonstrate the following through "objective, verifiable evidence" of current sobriety and fitness to practice to get a license.

This objective, verifiable evidence could be obtained through AA records, negative drug tests, an assessment by a specialist in addiction, and testimonies from group members, colleagues, and other close friends.

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knitting a blanket from yarn, burning, cooking, rusting and rotting are examples of chemical changes.

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There will be 1.084×10²¹ formula units are left un-reacted.

A formula unit is the part of an ionic compound's chemical formula that lists the ions in the smallest ratio necessary to produce a neutral electrical charge. In chemistry, we utilize chemical formulae to explain the constituent parts or molecules of a substance.

Given, initial amount of CuSO4 = 0.0850 mole

amount of CuSO4 consumed in reaction = 0.0832 mole

remaining amount of CuSO4 = 0.0850 - 0.0832 = 0.0018 mole

now, 0.0018 mole CuSO4 × (6.02×10²³ f. u./1 mole) = 1.084×10²¹ f. u.

There will be 1.084×10²¹ formula units are left un-reacted.

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If the reaction uses up 0.0832 mol copper sulfate there will be 1.084×10²¹ formula units are left un-reacted.

A formula unit is the part of an ionic compound's chemical formula that lists the ions in the smallest ratio necessary to produce a neutral electrical charge. In chemistry, we utilize chemical formulae to explain the constituent parts or molecules of a substance.

Given, initial amount of CuSO4 = 0.0850 mole

amount of CuSO4 consumed in reaction = 0.0832 mole

remaining amount of CuSO4 = 0.0850 - 0.0832 = 0.0018 mole

now, 0.0018 mole CuSO4 × (6.02×10²³ f. u./1 mole) = 1.084×10²¹ f. u.

There will be 1.084×10²¹ formula units are left un-reacted.

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Answer:

1.0 joules

Explanation:

Violet light has a frequency of 410,000 hertz and an energy of 1.0 joules. Now we can compare the energy of photons of violet light with those of red light. Photons of violet light have more energy than photons of red light.

Organofluorines are organic molecules that include the greenhouse gas link. Foxine behavior discusses the composition of these chemicals.

Old paper documents like books, postage stamps, and awards can develop spots and discoloration due to foxing, a time of life process of degeneration. The stains' fox - like reddish-brown hue or the potential participation of the rusting chemical ferric oxide may be the sources of the term.

On old paper documents like books, postage stamps, old banknotes, and certificates, circa survive age-related process of weakening spots and browning. The stains' fox - like reddish-brown hue or the suspected participation of the rust ingredient ferric oxide may be the origin of the term.

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The characteristics that would be tested for would majorly be the electrode potential of the cells.

We can see that in a battery, we have to electrodes and these are the cathode and the anode. The anode is the electrode that current would enter into the cell through it while the cathode which the current would leave the cell.

Now, we know that the anode is positively charged and the cathode is negatively charged. The elements that would serve as the cathode and the anode would depend on the relative electrode potentials of the elements.

We know that sodium is more electropositive than magnesium as such the magnesium would be the cathode and the sodium would be the cathode of the cell. This is how the anode and the cathode can be determined in the cell.

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You'll have to give us a picture for it to be answered, sorry.

The plate is moving away from me in the figure of volcanoes. Therefore, the correct option is B.

Volcanoes are geological formations that form when magma, ash, and other elements erupt from beneath the Earth's surface. Both on land and in water, they come in a wide variety of shapes and sizes. Volcanoes often develop along the boundaries of tectonic plates or at "hot spots" where plumes of hot mantle flow upward from the Earth's core and are associated with tectonic activity.

Volcanic eruptions can cause a variety of hazards, such as waves, pyroclastic flows, ash clouds, and lava flows. Volcanoes can be devastating, but they can also create new areas and provide healthy soil, which benefits the ecology.

Therefore, the correct option is B.

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The core dogma of molecular biology is the process by which DNA is converted into RNA, which is then translated into proteins.

During transcription, an enzyme known as RNA polymerase binds to a particular DNA sequence known as the promoter and produces a complementary RNA strand utilizing the data in the DNA's coding strand.

After transcription, the RNA molecule is moved from the nucleus into the cytoplasm where ribosomes interpret it and "translate" the genetic information into a series of amino acids. A functioning protein will then be formed from this amino acid sequence.

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To transcribe and translate a sequence of DNA into proteins, the DNA first needs to be transcribed into messenger RNA (mRNA) and then translated into proteins using the genetic code.

The first step in translating a DNA sequence into proteins is to transcribe the DNA into mRNA. This process occurs in the nucleus of the cell and is carried out by enzymes called RNA polymerases. After the DNA is transcribed, the mRNA is then exported out of the nucleus and enters the cytoplasm.

In the cytoplasm, the mRNA is translated into proteins by ribosomes with the help of transfer RNAs (tRNAs). During this translation process, the mRNA codons are translated into amino acids using the genetic code.

This code is composed of three-letter codons that correspond to the 20 amino acids used to make proteins. The tRNAs bring the corresponding amino acids to the ribosomes, where the amino acids are joined together by peptide bonds to form proteins.

This process continues until the ribosome reaches a stop codon, at which point the protein is complete.

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The limiting reagent in a chemical reaction is HCl (aq); the maximum output of CO2/mol is 0.05; and the reactant that is consumed first is CO2.

The limiting reactant, sometimes referred to as the limiting reagent, regulates how much product is produced in a chemical process. If the limiting reactant has been found, the theoretical yield of the reaction may be calculated.

The limiting reagent is the one that will completely consume itself in a chemical process. Once that reactant has been used up, the reaction cannot go on. As a result, it stops the reaction from getting stronger. The excess reagent would have continued to react if the other reactant hadn't been consumed.

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The grams of the magnesium metal present is 40.56 g.

Let us recall that the magnesium hydroxide is composed of two ions and these are the magnesium ions and the hydroxide ions.

Looking at the ions that we have we now would be able to find the number of moles of the compound that we have from the formula;

Number of moles = mass/molar mass

Number of moles = 97.8 g/58 g/mol

= 1.69 moles

The amount of the magnesium ions here is 1.69 moles

Mass of the metal = 1.69 moles * 24 g/mol

= 40.56 g

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The total pressure exerted by gases is known as the total gas pressure or simply the pressure of the gas. It is the sum of the pressures exerted by each individual gas present in a mixture of gases.

The total pressure exerted by a mixture of gases is the sum of the pressures exerted by each individual gas present in the mixture. This is due to the fact that each gas in a mixture will exert its own pressure independently of the other gases present.

The pressure exerted by a gas is directly proportional to the number of gas molecules present and the temperature of the gas. According to the kinetic theory of gases, the pressure of a gas is due to the constant random motion of its molecules, which collide with the walls of their container, exerting force on it.

The Ideal gas law which is PV = nRT relates the pressure of a gas to its volume, number of moles of gas present and the temperature of the gas. where P is the pressure, V is the volume, n is the number of moles of gas present, R is the gas constant and T is the temperature of the gas.

When we have a mixture of gases, the total pressure exerted by the gases is the sum of the pressures of each individual gas in the mixture. The total pressure of a gas mixture is often measured in units of atmospheres (atm) or pascals (Pa). This is known as the Dalton's Law of partial pressure.

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Answer:

A Is the correct answer..

Neutral pH is 7, thus The H+ and OH- concentrations are therefore equivalent for a pH of 7. Given that the concentrations are equivalent, the ratio is 1.

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Cellular isozymes of pyruvate kinase are allosterically inhibited by:

B) high concentrations of ATP.

The cellular isoenzymes kinase are allosterically inhibited by the high concentration of the ATP. The pyruvate kinase, an enzyme that will catalyzes the conversion of the pyruvate and ATP from the phosphoenolpyruvate and the ADP. The cellular isoenzymes is also called as the isozymes.

The pyruvate kinase will catalyzes the last step of the glycolysis. This is important for the generation of the adenosine triphosphate , that is ATP. The four major pyruvate kinase are : muscle M1 , erythrocyte R, the liver L, the ubiquitous M2.

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The given chart shows the football scores for the Jets this season. The mode measures of central tendency would show the score that occurred most often. Hence option (D) is the answer.

The most frequent value in a collection of values is referred to as the mode. The value that comes up the most often is this one. The value that pops up most frequently among a group of data values is the mode. The largest value of the probability mass function for X, if it is a discrete random variable, is the mode. To put it another way, it is the value that will likely be sampled.

A normal mode is a chemical term to denote an autonomous motion of atoms within a molecule that takes place without affecting movement to any other modes. Asymmetric, symmetric, wagging, twisting, scissoring, and rocking are the typical vibrational modes for polyatomic molecules.

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Answer:

1 ppm :)

Explanation: i was guessing and 1 ppm was the answer :)

In 1928, Sir Alexander Fleming was studying Staphylococcus bacteria growing in culture dishes. Bacterial infections are treated with penicillins

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