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:

Distinctiveness

Pertains to the quality of being distinguishable or markedly different from others.

Appropriateness

The quality of being suitable, fitting, or right for a specific context or circumstances.

Id

In psychoanalytic theory, the part of the mind that acts as the source of instinctual impulses and demands for immediate satisfaction of primitive needs.

Primitive

Denotes something that is basic or unsophisticated in terms of development or technology, often implying an early stage of evolutionary or historical development.