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Methanol a potential replacement for gas as an automotive fuel can be made from H2 & CO by the reaction CO(g)+2H2(g)->CH3OH(g) how will this reaction be affected if the volume of the container is reduced?
The energy of the system will increase.
More methanol will decompose.
The equilibrium position will not be affected.
More methanol will be formed.
1 Answer
- ♥ ʝɛɳ ♥Lv 61 decade agoFavorite Answer
assuming PV=nRT, as volume decreases, at a constant temperature, the pressure increases.
The left side shows 3 mols of gas and the right shows 1 mol of gas.
So, if we re-write this, + pressure on the left side, you would predict the reaction to move right. We expect this to reduce the # of molecules, and thus reduce the pressure. So, D, more methanol is formed.
This applies if the Le Chatelier's Principle is predictive.
