If the pressure in a reaction vessel for the following reaction is increased by decreasing the volume, what will happen to the concentrations of CO and CO2? $H_{2} O (g) + C O_{2} (g) ⇌ H_{2} (g) + C O_{2} (g) + h e a t$ $H_2O (g)+ CO_2 (g) rightleftharpoons H_2 (g)+ CO_2 (g)+heat$

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If the pressure in a reaction vessel for the following reaction is increased by decreasing the volume, what will happen to the concentrations of CO and CO2? $H_{2} O (g) + C O_{2} (g) ⇌ H_{2} (g) + C O_{2} (g) + h e a t$ $H_2O (g)+ CO_2 (g) rightleftharpoons H_2 (g)+ CO_2 (g)+heat$

(a) both the [CO] and $[C O_{2}]$ $[CO_2]$ will decrease
(b) neither the [CO] nor the $[C O_{2}]$ $[CO_2]$ will change
(c) the [CO] will decrease and the $[C O_{2}]$ $[CO_2]$ will increase
(d) both the [CO] and $[C O_{2}]$ $[CO_2]$ will increase

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Answer 1 · 2018-01-21T10:51:21

For $H_2O(g) + CO(g) rightleftharpoonsH_2(g) + CO_2(g) + Delta$

Explanation:

You have decreased the VOLUME....the concentrations of both reactants, and products INCREASE....and so $[CO]$ AND $[CO_2]$ will INCREASE.... $"option D"$ is the answer I would give.

And you don't even have to consider how the equilibrium will evolve (the position of equilibrium should remain unchanged in this scenario).

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If the pressure in a reaction vessel for the following reaction is increased by decreasing the volume, what will happen to the concentrations of CO and CO2? $H_{2} O (g) + C O_{2} (g) ⇌ H_{2} (g) + C O_{2} (g) + h e a t$ $H_2O (g)+ CO_2 (g) rightleftharpoons H_2 (g)+ CO_2 (g)+heat$

(a) both the [CO] and $[C O_{2}]$ $[CO_2]$ will decrease
(b) neither the [CO] nor the $[C O_{2}]$ $[CO_2]$ will change
(c) the [CO] will decrease and the $[C O_{2}]$ $[CO_2]$ will increase
(d) both the [CO] and $[C O_{2}]$ $[CO_2]$ will increase

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Explanation:

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(a) both the [CO] and [CO_2][CO2][CO_2] will decrease (b) neither the [CO] nor the [CO_2][CO2][CO_2] will change (c) the [CO] will decrease and the [CO_2][CO2][CO_2] will increase (d) both the [CO] and [CO_2][CO2][CO_2] will increase

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(a) both the [CO] and $[C O_{2}]$ $[CO_2]$ will decrease
(b) neither the [CO] nor the $[C O_{2}]$ $[CO_2]$ will change
(c) the [CO] will decrease and the $[C O_{2}]$ $[CO_2]$ will increase
(d) both the [CO] and $[C O_{2}]$ $[CO_2]$ will increase