Given the Following Reactions 2NO → N₂ + O₂ ΔH

question 80

Multiple Choice

Given the following reactions 2NO → N₂ + O₂ ΔH = -180 kJ
2NO + O₂ → 2NO₂ ΔH = -112 kJ
The enthalpy of the reaction of nitrogen with oxygen to produce nitrogen dioxide
N₂ + 2O₂ → 2NO₂
Is ________ kJ.

• A)68
• B)-68
• C)-292
• D)292
• E)-146

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Definitions:

Excess Capacity

A situation where a company can produce more goods than the market demands, often leading to inefficiencies.

Monopolistic Competition

A market structure featuring many firms selling products that are similar but not identical, allowing for competition based on quality, price, and marketing.

Chronic Excess Capacity

A persistent situation in which industries or firms have more production capacity available than is being used, often leading to economic inefficiencies and reduced profit margins.

Minimum-Cost Output

The quantity of output at which the average total cost is lowest—the bottom of the U-shaped average total cost curve.