Problem 7.10 Ammonia is synthesized industrially by reaction of nitrogen and hyd

Question

Problem 7.10 Ammonia is synthesized industrially by reaction of nitrogen and hydrogen according to the equation 3H2(g)+N2(g)2NH3(g). The free-energy change for this reaction isG=3.8kcal/mol (16 kJ/mol), yet this reaction does not readily occur at room temperature. Part A List three ways to increase the rate of this reaction. Check all that apply. Check all that apply. 1-by increasing the temperature 2-by decreasing the pressure 3-by adding a catalyst 4-by decreasing the temperature 5-by increasing concentration of products by increasing concentration of reactants

Explanation / Answer

Part A List three ways to increase the rate of this reaction:

Answer.

3-by adding a catalyst. A catalyst increases the rates of forward and reverse reaction to equal extent. Thus, equilibrium is quickly attained.

4-by decreasing the temperature as formation of ammonia is an exothermic reaction

6- by increasing concentration of reactants. The rate of the reaction depends on reactant concentration. With increase in reactant concentration, the rate of reaction increases.

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