For Which One of the Following Reactions Is the Value

question 68

Multiple Choice

For which one of the following reactions is the value of ΔH°_rxn equal to ΔH°_f for the product?

• A)2C (s, graphite) + 2H₂ (g) → C₂H₄ (g)
• B)N₂ (g) + O₂ (g) → 2NO (g)
• C)2H₂ (g) + O₂ (g) → 2H₂O (l)
• D)2H₂ (g) + O₂ (g) → 2H₂O (g)
• E)H₂O (l) + 1/2 O₂ (g) → H₂O₂ (l)

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Definitions:

Total Revenue

The total amount of money a firm receives from sales of its products or services, calculated by multiplying the price per unit by the number of units sold.

Total Cost

The overall amount of money spent by a company on the production, operation, and distribution of its goods and services.

Economic Profit

Profit calculated by subtracting both visible and hidden costs from total revenue, offering insight into the true financial gain of a business endeavor.

Marginal Revenue

The additional income received from selling one extra unit of a product or service.