43.) in which of the following reactions does a decrease in the volume of the re

Question

43.) in which of the following reactions does a decrease in the volume of the reaction vessel at constant temperature favor formation of the products? Please answer both. 42. If the reaction quotient, Q, is greater than K in a gas phase reaction, then athe chemical system has reached equilibrium. b the temperature must be increased for the reaction to proceed in the forward direction. g the reaction will proceed in the forward direction until equilibrium is established. reaction will proceed in the backward direction until equilibrium is established. e the reaction will proceed in the direction that increases the number of gas phase particles. 43 In which of the following reactions does a decrease in the volume of the reaction vessel at constant temperature fa formation of the products? b. NOdg) + CO(g) NO(g) + CO2(g) d. 20,(g) 302(g) e. MgCO-(s) MgO(s)+ CO(g)

Explanation / Answer

Ans 42 d) The reaction will proceed in the backward direction untill equillibrium is estabilished

Q is the reaction quotient that refers to the ratio of concentration of products to that of reactants at any given point in the reaction . Whereas the equillibrium constant K is the ratio of concentration of products to the reactants , when the reaction is at equillibrium.

So when Q>K , the reaction tends to move in backward direction , as the concentration of products in the reaction have been increased.

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