Identify each of the processes listed as spontaneous or nonspontaneous. For each nonspontaneous process, describe the corresponding spontaneous process in the opposite direction.
(a) A group of cheerleaders builds a human pyramid.
(b) Table salt dissolves in water.
(c) A cup of cold coffee in a room becomes steaming hot.
(d) Water molecules in the air are converted to hydrogen and oxygen gases.
(e) A person peels an orange, and you smell it from across the room.