Which One of the Following Phrases Correctly Completes the Sentence

question 20

Multiple Choice

Which one of the following phrases correctly completes the sentence "Chemical reactions occur spontaneously…"

• A) …if  H for the reaction is < 0.
• B) …if  S for the reaction is < 0.
• C) …if the Gibbs free energy change for the reaction is positive.
• D) …if the Gibbs free energy for the reaction is negative.
• E) None of the phrases given

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Definitions:

Rate Variance

It is the difference between the actual rate paid for an item or service and the expected (standard or budgeted) rate, often used in budgeting and cost management.

Predetermined Overhead Rate

A rate calculated before a period begins, used to assign overhead costs to products or job orders based on a certain activity, such as machine hours or labor hours.

Variable Component

The portion of cost or expense that varies directly with changes in output or activity level.

Fixed Manufacturing Overhead

Refers to the consistent, unvarying costs associated with manufacturing that do not fluctuate with production volume, like salaries of managerial staff and depreciation of factory equipment.