1. Write the balanced equations for each reactions and classify the process as spontaneous or non-spontaneous reactions


A) decomposition of carbon dioxide

b.) formation of liquid water

c.) formation of gas ammonia


  1. Compare each pair of substances and determine which has a larger standard entropy at 25° C. In complete sentences, explain the reason why.



[example] NaCl (s) or CaO (s)

>>> NaCl (s), both of them are solid, and ionic compounds. But, it has a heavier molar mass wherein molar entropy is dependent on.



a.) H2O (g) or H2S (g)


  1. What are the factors to establish to make a reactant-favored reaction divert into producing the products? Support your answer with concrete evidence. Minimum of 4 sentences.