5. Ap endothermic reaction is allowed to reach equilibrium starting with reactan

Question

5. Ap endothermic reaction is allowed to reach equilibrium starting with reactants only hat can you predict about the entropy change of the surroundings during the equilibration process? 6. A reaction is observed in which there are more products at the time of observation than hen it is at equilibrium. Using mathematical relationships, what can you predict about the spontaneity of the reaction in the forward direction? 7. What can you predict about the standard Gibbs free energy change for a product-favored action?

Explanation / Answer

5. for an endothermic reaction energy is supplied from the surroundings to the system. Hence the surroundings feel decrease in temperature and hence decrease in disorderness and thus entropy is decreased.

6.

equilibrium constant expression is,

K = [Products] / [Reactants]

More amount of products before equilibrium, shifts the reaction towards backward direction to reach to equilibrium.

So, backward reaction is favourable at this situation.

7.

Product favoured reaction means it is a spontaneous reaction. For a spontaneous reaction change in standard Gibb's free energy is always negative.

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