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In-s [12.5K]
4 years ago
8

Which of the following represents a synthesis reaction?

Chemistry
1 answer:
gayaneshka [121]4 years ago
6 0

Answer:

The answer to your question is the second one

Explanation:

                                         AC + B → AB + C

This is not the right answer, the reaction shown here is a single replacement reaction in which one element replaces another element that is part of a compound.

                                         A + B + C → ABC

This is the right answer because in synthesis reactions two or more reactants bound to form only one product.

                                          ABC → A + B + C

This answer is incorrect because this is an example of a decomposition reaction in which one reactant forms two or more products.

                                       AB + CD → AC + BD

This is an example of double replacement reaction in which the cations and anions of the reactants are interchanged.

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the volume of a gas is 450mL when it’s pressure is 1.00 atm. if the temperature of the gas does not change, what is the pressure
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At constant temperature and pressure, If the amount of gas increases to the given value, its volume also increases to 39 mL.

<h3>What is Avogadro's law?</h3>

Avogadro's law states that "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules."

It is expressed as;

V₁/n₁ = V₂/n₂

Given the data in the question;

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  • Initial volume v₁ = 34mL = 0.034L
  • Final amount of gas n₁ = 6.2moles
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We substitute our values into the expression above.

V₁/n₁ = V₂/n₂

V₁n₂ = V₂n₁

V₂ = V₁n₂ / n₁

V₂ = (0.034L × 6.2moles) / 5.4moles

V₂ = 0.2108molL / 5.4mol

V₂ = 0.039L

V₂ = 39 mL

Therefore, at constant temperature and pressure, If the amount of gas increases to the given value, its volume also increases to 39 mL.

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