Consider the Expression Below, Showing the Terms Which Contribute to the Heat

question 55

Multiple Choice

Consider the expression below, showing the terms which contribute to the heat of solution, H_soln: H_soln = H_solute + H_solvent + H_mix
Which of the following sets correctly shows the signs (positive or negative) of the three terms on the right hand side of the equation?

• A) .  H_solute > 0;  H_solvent > 0;  H_mix > 0
• B) .  H_solute < 0;  H_solvent < 0;  H_mix < 0
• C) .  H_solute > 0;  H_solvent > 0;  H_mix < 0
• D) .  H_solute < 0;  H_solvent < 0;  H_mix > 0
• E) .  H_solute < 0;  H_solvent > 0;  H_mix < 0

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Definitions:

Disequilibrium

A state of cognitive imbalance between existing knowledge and new experiences, often leading to learning in developmental psychology.

Equilibration

A concept in developmental psychology referring to how children progress through different stages of cognitive development by balancing assimilation and accommodation.

Assimilation

In psychology, a cognitive process where new information is interpreted and integrated into existing schemas or knowledge structures.

Self-efficacy

An individual's belief in their capacity to execute behaviors necessary to produce specific performance attainments.