Classify each process as spontaneous or nonspontaneous. 1) water is separated into h_2 and o_2 gas at 25 degree 2). a cup of hot coffee cools to room temperature. 3) the extraction of iron metal from iron ore. 4) perfume molecules spread out to fill the entire room. 5) iron rusts in moist air.

Explanation:

1). Water is separated into H_2 and O_2 gas at 25 degree

This is a non-spontaneous reaction

2). A cup of hot coffee cools to room temperature.

Spontaneous reaction

3) The extraction of iron metal from iron ore.

Non-spontaneous reaction

4) Perfume molecules spread out to fill the entire room.

Spontaneous reaction

5) Iron rusts in moist air.

Spontaneous reaction