A Solution of Potassium Hydroxide Is in Equilibrium with Undissolved

question 134

Multiple Choice

A solution of potassium hydroxide is in equilibrium with undissolved solute at 45°C. What will happen if the temperature is raised to 50°C? (ΔH_soln = -57.6 kJ/mol)

• A) The mass of undissolved KOH will increase.
• B) The mass of undissolved KOH will decrease.
• C) The mass of undissolved KOH will be unchanged.
• D) The mass of water in the solution will increase.
• E) The entropy of the system will decrease.

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Definitions:

Delabeling

The process of removing or reducing the impact of negative or stigmatizing labels associated with individuals or groups, promoting a more inclusive and unbiased perspective.

Perception of Behavior

The way an individual's actions are interpreted or understood by others, influenced by cultural, social, and personal biases.

Reciprocal Nature

The mutual or two-way characteristic of certain interactions or relationships, where actions or behaviors are mirrored or returned in kind.

Contingency Contracting

A behavioral strategy involving a formal agreement between parties outlining specific behaviors and consequences or rewards.