Calculate the Standard Enthalpy Change for the Reaction 4A $\rarr$ 2AB + A₂
Given

question 39

Multiple Choice

Calculate the standard enthalpy change for the reaction 4A + 2B $\rarr$ 2AB + A₂
Given: $\begin{array}{ll}2 \mathrm{~A}+\mathrm{B} \rightarrow \mathrm{~A}_{2} \mathrm{~B} & \Delta \mathrm{H}^{\circ}=-25.0 \mathrm{~kJ} / \mathrm{mol} \\2 \mathrm{~A}_{2} \mathrm{~B} \rightarrow 2 \mathrm{AB}+\mathrm{A}_{2} & \Delta \mathrm{H}^{\circ}=35.0 \mathrm{~kJ} / \mathrm{mol}\end{array}$

• A) - 95.0 kJ/mol
• B) - 60.0 kJ/mol
• C) - 15.0 kJ/mol
• D) 10.0 kJ/mol
• E) 45.0 kJ/mol

Examine the role of memory and attention biases in relationship satisfaction.

Identify different types of social comparisons and their effects on relationship dynamics.

Evaluate the effects of relationship standards and expectations on satisfaction.

Understand the implications of relationship attributions on coping strategies in relationships.

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Definitions:

Motivational Level

The degree of enthusiasm, drive, or desire with which an individual or group approaches tasks or goals.

Unsatisfied Need

A requirement or necessity that has not been fulfilled, often driving motivation and action to meet that need.

McClelland's Theory

A motivational theory that suggests individuals are motivated by three primary needs: achievement, affiliation, and power.

Need For Achievement

A strong desire to perform challenging tasks well.