(a)(i) Explain what is meant by an effective collision

(ii) What does each term represent in the following expression? \(\Delta G\) = \(\Delta H\) — T\(\Delta\)S

(iii) What deduction can be made about a system given that the value of its \(\Delta\)G is zero?

 

(b)(i) State Le Chatelier's principle.

(ii) Suggest three conditions necessary for maximum yield of A\(_2\)B in the reaction represented by the following equation 2A\(_{2(g)}\) + B\(_{2(g)}\) \(\rightleftharpoons\) 2A\(_2\)B\(_{(g)}\) \(\Delta\)H = xkj.

(iii) Write an expression for the equilibrium constant of the reaction in (b)(ii) above.

 

(c)(i) Give the reason why a log of wood of a given mass does not burn out as quickly as sawdust of the same mass, under the same conditions.

(iii) List two examples of chemical reactions that are catalyzed by light