A copper wire is composed of billions of copper units. In this case, the copper in the wire is a(n) __________.

A. atom
B. molecule
C. compound
D. mixture
E. element

Ratio of moles of NH₃ produced to moles of N₂ used: 2 moles of NH₃ / 1 mole of N₂

Ratio of moles of NH₃ produced to moles of H₂ used: 2 moles of NH₃ / 3 moles of H₂

From the balanced chemical equation:

N₂ + 3 H₂ ⟶ 2 NH₃

We can determine the ratio of moles of products to the moles of each reactant.

Ratio of moles of NH₃ produced to moles of N₂ used:

From the balanced equation, we can see that 1 mole of N₂ reacts to produce 2 moles of NH₃. Therefore, the ratio is:

2 moles of NH₃ / 1 mole of N₂

Ratio of moles of NH₃ produced to moles of H₂ used:

From the balanced equation, we can see that 3 moles of H₂ react to produce 2 moles of NH₃. Therefore, the ratio is:

2 moles of NH₃ / 3 moles of H₂

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Given the equation of reaction;

N₂ + 3 H₂ ---> 2 NH₃

Calculate the ratio of the moles of produced to the moles of each of the reactants used. (Write two separate ratios.)

Answer:

it is soluble in water

Explanation:

mark brainliest pliiz cutee:)

a. CO₃²⁻ + H₃O⁺ -> HCO₃⁻ + H₂O (CO₃²⁻ is the base, H₃O⁺ is the acid, HCO3- is the conjugate acid, and H₂O is the conjugate base)

b. The acid is the species that donates a proton, while the base is the species that accepts a proton.

The reaction between CO₃²⁻ and excess H₃O⁺ in seawater can be represented as:

CO₃²⁻ + H₃O⁺ -> HCO₃⁻ + H₂O

Conjugate acid-base pairs:

CO₃²⁻ / HCO₃⁻ and H₃O⁺ / H₂O

In the reaction, the species that donates a proton (H⁺) is the acid, and the species that accepts a proton is the base. In the given reaction, H₃O⁺ donates a proton to CO₃²⁻, making it the acid, while CO₃²⁻ accepts the proton to become HCO₃⁻, making it the base.

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Explanation:

oh shi sorry I wish I could help but I'm stupid

Increasing the concentration of CO  decreases the equilibrium  concentration of oxygen and increases the concentration of CO₂, increasing the concentration of CO₂ increases the concentration of CO and O₂.

Chemical equilibrium refers to the state of a system in which the concentration of the reactant and the concentration of the products do not change with time, and the system does not display any further change in properties.

It is the state of a reversible reaction where the rate of the forward reaction equals the rate of the reverse reaction. While a reaction is in equilibrium the concentration of the reactants and products are constant.

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There would 60 g of Pu-239 after the first half life a 30g Pu-239 and  left after 3 half-lives is 7.5 g of Pu-239

Half life means the time required for half of something to undergo a process

Remind ourselves that radioactivity is defined as the process in which there is a spontaneous disintegration of a substance and in accordance of law of conservation mass that is mass is neither created nor destroyed when we have a radioactive process and as such nucleus as it is disintegrated forms daughter nuclei in which way mass is not lost

Then in this case I start out with 60 g of Pu-239 then 1 half-life is at 30g Pu-239 and after the 3 half-lives will have 7.5 g of Pu-239

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The mass of the silver block, given that it was initially at 55.1 °C  and is submerged into 100.0 g of water at 25.0°C is 189.8 g

We'll begin our calculation by obtaining the heat absorbed by the water. Details below:

Q = MCΔT

Q = 100 × 4.184 × 2.9

Q = 1213.36 J

Finally, we shall determine the mass of the silver block. Details below:

Q = MCΔT

-1213.36 = M × 0.235 × -27.2

-1213.36 = M × -6.392

Divide both sides by -6.392

M = -1213.36 / -6.392

M = 189.8 g

Thus, we can conclude that the mass of the silver block is 189.8 g

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Complete question:

A silver block, initially at 55.1∘C, is submerged into 100.0 g of water at 25.0∘C in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 27.9∘C. The specific heat capacities for water and silver are Cs,water = 4.18J/(g⋅∘C) and Cs, silver = 0.235J/(g⋅∘C). What is the mass of the silver block?

Answer:

D it is right ..............

Answer:

1000cm³=1litre

1.5x10^6cm^3=1.5x10^6cm^3/1000litre=1.5×1000000/1000=1.5×1000=1500litres.

The volume of carbon dioxide produced is approximately (d) 11.9 liters.

To determine the amount of carbon dioxide (C\(O_2\)) produced when 37.8 grams of carbon disulfide (C\(S_2\)) reacts with excess oxygen gas (\(O_2\)), we need to use stoichiometry and the given balanced chemical equation:

C\(S_2\)(l) + 3\(O_2\)(g) → C\(O_2\)(g) + 2S\(O_2\)(g)

First, we calculate the number of moles of C\(S_2\) using its molar mass:

Molar mass of (C\(S_2\)) = 12.01 g/mol (C) + 32.07 g/mol (S) × 2 = 76.14 g/mol

Number of moles of (C\(S_2\)) = mass / molar mass = 37.8 g / 76.14 g/mol ≈ 0.496 mol

From the balanced equation, we can see that the stoichiometric ratio between (C\(S_2\)) and C\(O_2\) is 1:1. Therefore, the number of moles of C\(O_2\) produced will also be 0.496 mol.

Now we can use the ideal gas law to calculate the volume of C\(O_2\) at the given temperature and pressure. The ideal gas law equation is:

PV = nRT

where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant (0.0821 L·atm/mol·K), and T is the temperature in Kelvin.

Converting the temperature from Celsius to Kelvin:

T(K) = 28.85°C + 273.15 = 302 K

Using the ideal gas law:

V = nRT / P = (0.496 mol) × (0.0821 L·atm/mol·K) × (302 K) / (1.02 atm) ≈ 11.9 L

The correct answer is 11.9 liters.

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The answer below is correct but to give you the process, here it is:

Molar mass of iron, Fe = 55.85 g/mol

3.30g/(55.85 g/mol) = 0.0591 mol

Butyryl chloride reacts with Grignard reagent, methyl magnesium bromide, to form pentan-2-one. Pentan-2-one reacts with vinyl magnesium bromide to form the final product 3-methylhex-1-en-3-ol.

The following diagram illustrates how butyryl chloride becomes 3-methylhex-1-en-3-ol. conversion of 3-methylhex-1-en-3-ol from butyryl chloride. Tertiary alcohols are produced when carboxylic esters, R'CO2R, combine with two equivalents of an organolithium or Grignard reagent. Two identical alkyl groups are present in the tertiary alcohol (see R) A ketone intermediate is used to carry out the reaction, which is subsequently used to react with the second equivalent of the organometallic reagent. As we've just seen, the ketone undergoes further reactions to create a tertiary alcohol. This explains why, when reacting with esters, two equivalents of Grignard are required. a mechanism The Grignard performs an addition reaction on the ester in the first step, resulting in the formation of C-C and the breakdown of C-O (pi), giving us an intermediate with a negatively charged oxygen.

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The temperature of a 1.7379 mole of a gas with a pressure of 1.4948 atm and volume of 92.202 L is 965.69K .

The temperature of a given gas can be calculated using the ideal gas law equation:

PV = nRT

Where;

1.4948 × 92.202 = 1.7379 × 0.0821 × T

137.82 = 0.142T

T = 137.82 ÷ 0.142

T = 965.69K

Therefore, the temperature of a 1.7379 mole of a gas with a pressure of 1.4948 atm and volume of 92.202 L is 965.69K.

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A chemical compound is a material made up of several types of molecules. Therefore, potassium Nitride is the name of the compound K\(_3\)N.

A compound is indeed a substance that is composed of two or more separate chemical elements mixed in a defined ratio in chemistry. When the elements combine, they react and generate chemical connections that really are hard to break. These bonds occur as a result of atoms sharing or exchanging electrons.

A chemical compound is a material made up of several types of molecules (or molecular entities) that include atoms from much more than one chemical element and are bound together by chemical bonds. Potassium Nitride is the name of the compound K\(_3\)N.

Therefore, potassium Nitride is the name of the compound K\(_3\)N.

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Answer:

Gas

Explanation:

Answer:

Wave 2

Explanation:

Higher frequency  means more energy per second, And wave 2 has higher frequesncy

please mark brainliest I’m almost at expert level

Answer:

I believe it is wave 2

Explanation:

As you can see in the graph, wave two happens to be more frequent. There are well, more waves than the first graph. Please forgive me if I am wrong. I tried my best to explain

Answer:

I believe there are 30

Explanation:

Answer:

hydrochloric acid

Explanation:

chemical compound any substance composed of identical molecules consisting of atoms

Answer:

The temperature of this sample changes by 1.052 degrees Celsius

Explanation:

As we know

\(Q = mc\Delta T\)

Where m is the mass of the substance

c is the specific heat of the substance

and \(\Delta T\) is the change in temperature

Substituting the given values in above equation, we get -

\(114.6 = 108.9 * 1 * \Delta T\\\Delta T = 1.052\)degree Celsius

The temperature of this sample changes by 1.052 degrees Celsius

We can produce more products by;

A. Increasing the concentration of H₂ gas in the reaction vessel

B. Decreasing the temperature in the reaction vessel

C. Removing the H₂O from the reaction vessel as it forms

Water is created through an exothermic process. Heat energy is released when hydrogen gas (H2) and oxygen gas (O2) mix to make water (H2O). An exothermic reaction is characterized by this energy release.

The reaction's overall energy change is negative, which shows that energy is released. The reaction is exothermic because the extra energy is released as heat into the environment.

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Missing parts;

Water can be made using the reversible reaction shown. Which change would

keep this reaction from shifting to form more of the product?

2H₂+022H₂O + energy

A. Increasing the concentration of H₂ gas in the reaction vessel

B. Decreasing the temperature in the reaction vessel

C. Removing the H₂O from the reaction vessel as it forms

D. Increasing the temperature in the reaction vessel

Answer:

91 millilitres

Explanation:

Recommended application = 65mg / Kg

This means 65 mg of dicyclanil per kg (1 kg of body mass).

Concentration = 50 mg / mL

How many millilitres required to treat 70kg adult?

If 65mg = 1 kg

x = 70 mg

x = 70 * 65 = 4550 mg

Concentration = Mass / Volume

50 mg/mL = 4550 / volume

volume = 4550 / 50 = 91 mL

Name of [Cu[NH3)2] please fast

1. First name the ligand (ammine-NH3) using prefix (tetra-4) to designate number of ligands.

2. Name the central atom (copper-Cu) followed by its oxidation state (ii) in roman letter using suffix ion(since it is not neutral entity).

Explanation:

I hope it will help you...

\(kai6418\)

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Mole fraction is the ratio of the number of moles of a component of a solution to the total number of moles of all components in the solution.

Components are modular parts of a larger system or structure. They can be physical objects, such as a computer part, or abstract concepts, such as a software algorithm. Components are usually designed to work together in order to achieve a common goal. Components provide a way to break down complex tasks into smaller, manageable pieces. By combining multiple components, the overall system can be more efficient, reliable, and easier to maintain. Components are often reusable, meaning they can be used in multiple different systems or applications.

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Answer:

See attached picture.

Explanation:

Hello,

In this case, given that each amino acid is bonded via the peptidic bond (CONH) for each tetrapeptide we obtain the structures on the attached picture. Take into account that each tetrapeptide has an initial amino side and a ending carboxylic side.

Regards.

Answer:

the average speed of \(V_{av} CO_2\) is 5.24 ×  104 cm/s

Explanation:

The computation of the average speed of a \(CO_2\) is as follows:

\(\sqrt{average} = \sqrt{\frac{8 RT}{\pi M} }\)

where,

M = Molar mass

\(V_{av} = \frac{\sqrt{1}}{M}\)

Given that

\(V_{av} \ of\ oxygen= 6.14 \times 10^4 cm/s\)

The molar mass of oxygen i.e. (MO_2) = 31.9988 g/mol

And, the molar mass of CO_2 is  44.0098 g/mol

Now

\(\frac{V_{av} CO_2}{V_{av} O_2} = \frac{\sqrt{M_{O2} }}{M_{CO2}}\)

Now place these values to the above formula

\(\frac{V_{av}CO_2}{6.14\times 104 cm/s} = \frac{\sqrt{31.9988} }{44.0098}\)

So,

V_av CO_2 is 5.24 ×  104 cm/s

hence, the average speed of \(V_{av} CO_2\) is 5.24 ×  104 cm/s

Answer:

5SiO2 + 2CaC2 → 5Si + 2CaO + 4CO2

Explanation:

When you are balancing an equation, you use coefficients to change the number of atoms of each type that are on each side of the equation.

You cannot change subscripts, the small numbers to the right of the substances. You can only add coefficients, the large numbers to the left of substances.

A balanced equation has the same number and type of atoms on both sides of the equation (the reactants on the left, the products on the right).

To begin, this equation has:

1 Si

2 O

1 Ca

2 C  

on the left and

1 Si

1 Ca

3 O

1 C

on the right. Those numbers don't match!

By adding coefficients we end up with 5 Si, 10 O, 2 Ca and 4 C on both sides.

Answer: the answer is A.

Explanation:

Bailee explained that when traveling to the moon  mass of the objects is which changes when the gravitational pull changes. Bailee is incorrect. Both the mass and weight will change. Option C is correct.

Mass is the physical quantity of any substance or object and weight is the measurement of amount of force acting on a particulate body of the mass.

At the moon both the  mass and weight is divided by 6 means the  mass and weight is six times lighter then the expected  mass and weight on earth.

Therefore, Bailee is incorrect. Both the mass and weight will change. Option C is correct. which changes when the gravitational pull changes

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Answer:

C

Explanation:

Ether group does not exist in amino acids

Ammonium group is on one side

the carboxylate group is opposite to the ammonium group

the R group defines what amino acid it is.