Question Detail

CHM 101 Chemical Thermodynamics Objective Question

Question

A sample of water at 40°C has a piece of metal at 150°C placed into it. Is this process spontaneous?
Options
A No, because heat flows from cold to hot
B Yes, because heat always flows from higher temperature to lower temperature, increasing entropy of the universe
Correct Answer
C No, because it requires external energy
D It depends on the specific heat capacities
Correct Answer

Option B is the correct answer.

Detailed Explanation

This process is spontaneous as described. Heat always flows from higher temperature (150°C metal) to lower temperature (40°C water), raising the water's temperature and increasing the entropy of the universe due to energy dispersion.

Hint

The notes provide this reasoning.

Question Info