For the Reaction a + B → C + D

question 135

Multiple Choice

For the reaction A + B → C + D, ΔH° = +40 kJ and ΔS° = +50 J/K. Therefore, the reaction under standard conditions is

• A) spontaneous only at temperatures between 10 K and 800 K.
• B) spontaneous at temperatures greater than 800 K.
• C) spontaneous at all temperatures.
• D) nonspontaneous at all temperatures.
• E) spontaneous at temperatures less than 10 K.

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Definitions:

Coherent

Logically connected and consistent; clear and easy to understand or logically structured.

Emotionally Gripping

Describes a situation or narrative that captures and holds the audience's emotional attention intensely.

Plot

The sequence of events or main storyline in a narrative, including the conflict, climax, and resolution.

Bone Density

The measurement of the amount of mineral matter per square centimeter of bones, used as an indicator of strength and risk for osteoporosis.