For the Reaction H₂(g)+ 1/2 O₂(g)→ H₂O(g)Δ_rH° = -241

question 24

Multiple Choice

For the reaction H₂(g) + 1/2 O₂(g) → H₂O(g) Δ_rH° = -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

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Definitions:

Profit-Maximizing

Profit-maximizing is the process by which a firm determines the price and output level that returns the greatest profit.

Marginal Cost

The surplus cost involved in the production of an extra unit of a product or service.

Average Revenue

Average revenue is the amount of income generated per unit of goods or services sold, calculated by dividing the total revenue by the number of units sold.

MC < MR

A condition in economic theory indicating that to maximize profit, a firm should produce more units as long as the marginal cost (MC) of producing an extra unit is less than the marginal revenue (MR) gained by selling it.