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Consider the reaction represented by the equation below: H

Consider the reaction represented by the equation below: H2(g) + 12(s) ⇌ 2HI(g) ∆H negative. Which of the following takes place when the temperature of the reaction vessel is decreased?

A.

the gases condense

B.

the yield of hydrogen increases

C.

the concentration of the reactants remain constant

D.

more of the hydrogen iodide decomposes

E.

the yield of hydrogen iodide increases

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Correct answer is E

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