Consider the Reaction Given Below

question 90

Multiple Choice

Consider the reaction given below:
H₂ (g) + F₂ (g) →2 HF (g) for which D G ° _rxn = - 541.4 kJ/mol What is the Gibbs Free Energy Change, D G _rxn, under non-standard conditions for this reaction at 25 ° C if the partial pressure of each substance is listed below?
P_H2 = 8.2 atm P_F2 = 4.6 atm P_HF = 0.22 atm

• A) D G _rxn = - 704.3 kJ/mol
• B) D G _rxn = - 557.9 kJ/mol
• C) D G _rxn = - 554.1 kJ/mol
• D) D G _rxn = - 548.6 kJ/mol
• E) D G _rxn = - 542.8 kJ/mol

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Definitions:

Diminishing Returns

Diminishing returns is an economic principle stating that as more investments or resources are added to a production process, the incremental gain in output will eventually decrease if all other factors remain constant.

Disguised Unemployment

Situations where more people are employed in a task or job than is necessary for its completion, leading to inefficiency.

Capital Goods

Long-term assets such as buildings, machinery, and equipment purchased by businesses to produce goods and services.

Terms of Trade

The ratio of an index of a country's export prices to an index of its import prices, used to measure the relative trading advantage or disadvantage.