For the Reaction H₂(g) + 1/2 O₂(g) → H₂O(g) ΔH°

question 16

Multiple Choice

For the reaction H₂(g) + 1/2 O₂(g) → H₂O(g) ΔH° = -241.8 kJ/mol, what quantity of heat is liberated by the reaction of 10.0 L of O₂ measured at 22.0°C and 742 mmHg?

• A) 120 kJ
• B) 2610 kJ
• C) 1310 kJ
• D) 195 kJ
• E) 97.5 kJ

---

Definitions:

Characteristics

Distinctive qualities or features that define a person, object, or phenomenon, contributing to its identity or essence.

Example

A representative case or instance used to illustrate a concept, rule, or procedure, or to act as a model for others to follow.

Reference Group

A social group that individuals use as a standard for evaluating their own behavior, values, and attitudes.

Example

A representative form or instance that is typical of a group or set and is often used for illustration or explanation.