Problem: The reversible reaction2 H2 (g) + CO (g) ⇋ CH3OH (g) + heatis carried out by mixing carbon monoxide and hydrogen gases in a closed vessel under high pressure with a suitable catalyst. After equilibrium is established at high temperature and pressure, all three substances are present. If the pressure on the system is lowered, with the temperature kept constant, what will be the result?a) The amount of CH3OH will be increased.b) The amount of CH3OH will be decreased.c) The amount of each substance will be unchanged.d) The amount of each substance will be increaed. 

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Problem Details

The reversible reaction

2 H(g) + CO (g) ⇋ CH3OH (g) + heat

is carried out by mixing carbon monoxide and hydrogen gases in a closed vessel under high pressure with a suitable catalyst. After equilibrium is established at high temperature and pressure, all three substances are present. If the pressure on the system is lowered, with the temperature kept constant, what will be the result?

a) The amount of CH3OH will be increased.

b) The amount of CH3OH will be decreased.

c) The amount of each substance will be unchanged.

d) The amount of each substance will be increaed.

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