What Is ΔH°_rxn for the Following Reaction? NO₂(g)+ CO(g)→ CO₂(g)

question 117

Multiple Choice

What is ΔH°_rxn for the following reaction? NO₂(g) + CO(g) → CO₂(g) + NO(g)
Substance ΔH°_f(kJ/mol)
NO(g) +90.4
NO₂(g) +33.85
CO(g) -110.5
CO₂(g) -393.5

• A)339.6 kJ
• B)379.8 kJ
• C)-226.5 kJ
• D)-339.6 kJ
• E)-379.8 kJ

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Definitions:

Maslow's Theory

A psychological theory proposing a hierarchy of human needs, from basic physiological needs to self-actualization.

Physiological Needs

The basic physical requirements for human survival, such as air, water, food, shelter, and sleep, which must be met to achieve a basic level of health.

Cognitive Appraisal Theory

A model of emotion stating that a person's cognitive response to a situation determines their emotional experience.

Cognitive Dissonance Theory

A theory proposing that people experience discomfort (dissonance) when their beliefs or behaviors are inconsistent, often leading to a change in one to reduce the dissonance.