Given the Following Two Equations and Their Corresponding Enthalpies

question 59

Multiple Choice

Given the following two equations and their corresponding enthalpies:
CO (g) + ¹/₂ O₂ (g) →CO₂ (g) D H ₁ = - 283.0 kJ N₂ (g) + O₂ (g) →2 NO (g) D H ₂ = 180.6 kJ What is the enthalpy of reaction D H _rxn for the reaction that follows?
CO (g) + NO (g) →CO₂ (g) + ¹/₂ N₂ (g) D H _{net rxn} = ??

• A) D H _rxn = - 746.6 kJ
• B) D H _rxn = - 385.4 kJ
• C) D H _rxn = - 373.3 kJ
• D) D H _rxn = - 192.7 kJ
• E) D H _rxn = - 102.4 kJ

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Definitions:

Sleep

A naturally recurring state of mind and body characterized by altered consciousness, relatively inhibited sensory activity, reduced muscle activity, and inhibition of nearly all voluntary muscles during rapid eye movement (REM) stages.

Light

A form of electromagnetic radiation visible to the human eye, responsible for the sense of sight.

Waking Consciousness

A state of consciousness during which an individual is alert and aware of their thoughts, feelings, and perceptions from the external world.

Altered State

Refers to a state of consciousness that is significantly different from a normative waking beta wave state, such as those induced by meditation, drugs, or hypnosis.