Question Detail

CHM 101 Chemical Thermodynamics Objective Question
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Question

Which of the following is an example of a spontaneous process?
Options
A Water decomposing into hydrogen and oxygen
B Gas expanding into a vacuum
Correct Answer
C Iron oxide changing back to iron metal
D Heat flowing from cold to hot
Correct Answer

Option B is the correct answer.

Detailed Explanation

Examples of spontaneous processes include gas expanding into a vacuum, a book falling, a ball rolling downhill, and iron rusting in air.

Hint

The notes list these examples.

Question Info

Course: CHM 101
Topic: Chemical Thermodynamics
Type: Objective
Difficulty: Not specified
Question 905 of 1872
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