Question Detail

CHM 101 CHM 101 Past Questions Objective Question
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Question

The heat change when one mole of water forms from H₂(g) and O₂(g) is:
Options
A Enthalpy of solution
B Enthalpy of formation
Correct Answer
C Enthalpy of neutralization
D Heat of vaporization
Correct Answer

Option B is the correct answer.

Detailed Explanation

The standard enthalpy of formation is the enthalpy change when one mole of a compound is formed from its constituent elements in their standard states. Forming water from hydrogen and oxygen gas fits this definition.

Hint

This process forms a compound directly from its elements.

Question Info

Course: CHM 101
Topic: CHM 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 294 of 1872
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