Problem: Classify each process as spontaneous or nonspontaneous.Water is separated into H2 and O2 gas at 25 °C.A cup of hot coffee cools to room temperature.The extraction of iron metal from iron ore.Perfume molecules spread out to fill the entire room.Iron rusts in moist air. 

🤓 Based on our data, we think this question is relevant for Professor Saber's class at TAMU.

FREE Expert Solution

Identify process if spontaneous or nonspontaneous:


Water is separated into H2 and O2 gas at 25 °C.

  • Energy is required to separate the water into H2 and O2.
  • Temperature is low → needs intervention
  • Nonspontaneous
View Complete Written Solution
Problem Details

Classify each process as spontaneous or nonspontaneous.

Water is separated into H2 and O2 gas at 25 °C.

A cup of hot coffee cools to room temperature.

The extraction of iron metal from iron ore.

Perfume molecules spread out to fill the entire room.

Iron rusts in moist air. 

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Spontaneous Reaction concept. You can view video lessons to learn Spontaneous Reaction. Or if you need more Spontaneous Reaction practice, you can also practice Spontaneous Reaction practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Saber's class at TAMU.