Question Detail

CHM 101 Thermochemistry II Objective Question

Question

What is a closed system?
Options
A Exchanges both matter and energy
B Exchanges energy but not matter with surroundings
Correct Answer
C Exchanges neither energy nor matter
D Exchanges matter but not energy
Correct Answer

Option B is the correct answer.

Detailed Explanation

A closed system exchanges energy but not matter with surroundings. Example: A sealed container where heat can enter or leave, but gases cannot escape. Most thermochemistry experiments use closed systems.

Hint

The notes define closed system with this example.

Question Info