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Tatiana [17]
3 years ago
5

I WILL GIVE EXTRA POINTS AND BRAINLIEST I JUST NEED SOMEONE TO ANSWER THIS QUESTIONS!!

Chemistry
2 answers:
olga nikolaevna [1]3 years ago
8 0

Answer:

A

Explanation:

Rufina [12.5K]3 years ago
8 0
The answer is A I think
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For the reaction PC15 (8) PC13 (g) + Cl2 (g) K = 0.0454 at 261 °C. If a vessel is filled with these gases such that the initial
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The correct answer is B.

The K_{eq} is samller than Q of the reaction . So,the reaction will shift towards the left i.e. towards the reactant side.

Explanation:

Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric ratios. It is expressed as K_{eq}

K is the constant of a certain reaction when it is in equilibrium, while Q is the quotient of activities of products and reactants at any stage other than equilibrium of a reaction.

For the given chemical reaction:

PCl_5(g)\rightleftharpoons PCl_3(g)+Cl_2(g)

The expression for Q is written as:

Q=\frac{[PCl_3][Cl_2]}{[[PCl_5]^1}

Q=\frac{0.20 M\times 2.5 M}{0.20 M}

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Thus as K_{eq}, the reaction will shift towards the left i.e. towards the reactant side.

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