Question

In: Chemistry

Methanol has the formula of CH3OH and can be produced by the reaction of carbon monoxide...

Methanol has the formula of CH3OH and can be produced by the reaction of carbon monoxide with hydrogen gas.

CO + 2 H2 === CH3OH + heat

Using the above chemical reaction, determine how each of the following actions would affect the equilibrium of the system.

a. heating the mixture

b. adding an excess of carbon monoxide

c. removing the methanol as it is formed

d. adding a substance that reacts with carbon monoxide

Solutions

Expert Solution

a)

Forward reaction is exothermic in nature

we are increasing temperature or adding heat here

so, according to Le Chatelier's principle,

equilibrium will move in direction which absorbs heat

hence, backward reaction will be favoured

Answer: Equilibrium moves to reactant side

b)

we are adding a reactant

According to Le Chatelier's Principle,

Adding reactant will shift reaction towards product side

Answer: Equilibrium moves to product side

c)

we are removing a product

According to Le Chatelier's Principle,

Removing product will shift reaction towards product side

Answer: Equilibrium moves to product side

d)

By adding substance that reacts with CO, we are removing a reactant here.

According to Le Chatelier's Principle,

Removing reactant will shift reaction towards reactant side

Answer: Equilibrium moves to reactant side

queen_honey_blossom answered 2 years ago
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