Which of the following are true statements about equilibrium systems? 1) For the

Question

Which of the following are true statements about equilibrium systems?

1) For the following reaction at equilibrium:
                       2 H2(g) + O2(g) ? 2 H2O(g)
                       the equilibrium will shift to the right if the volume is halved.

2)For the following reaction at equilibrium:
                       CaCO3(s) ? CaO(s) + CO2(g)
                       increasing the total pressure by adding Ar(g) will have no effect on the equilibrium position.

3)For the following reaction at equilibrium:
                       CaCO3(s) ? CaO(s) + CO2(g)
                       adding more CaCO3 will shift the equilibrium to the right.

4)Increasing the temperature of an endothermic reaction shifts the equilibrium position to the right.

5)For the following reaction at equilibrium:
                       H2(g) + F2(g) ? 2HF(g)
                       removing H2 will decrease the amount of F2 present once equilibrium is reestablished.

Which of the following are true statements about equilibrium systems? For the following reaction at equilibrium: 2 H_2(g) + O_2(g) 2 H_20(g) the equilibrium will shift to the right if the volume is halved. For the following reaction at equilibrium: CaCO_3(s) CaO(s) + CO_2(g) increasing the total pressure by adding Ar(g) will have no effect on the equilibrium position. For the following reaction at equilibrium: CaCO_3(s) CaO(s) + CO_2(g) adding more CaCO_3 will shift the equilibrium to the right. Increasing the temperature of an endothermic reaction shifts the equilibrium position to the right. For the following reaction at equilibrium: H_2(9) + F_2(g) 2HF(g) removing H_2 will decrease the amount of F_2 present once equilibrium is reestablished.

Explanation / Answer

true : 1st , remainig all are wrong due to le chatilier principle.

Explanation: if we remove a reactant, we shift equilibrium to the reactant side and make more reactant.

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