If a Solute Dissolves in an Endothermic Process

question 27

Multiple Choice

If a solute dissolves in an endothermic process

• A)H bonds must exist between solvent and solute.
• B)strong ion-dipole forces must exist in the solution.
• C)the solute must be a gas.
• D)the entropy of the solution is immaterial.
• E)the entropy of the solution must be greater than that of its pure components.

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Definitions:

Group-Oriented Contingency

A behavior management approach where the consequences for behavior are applied to a group rather than individuals, often used to promote teamwork and collective responsibility.

Premack Principle

A psychological principle which states that a more probable behavior can serve as a reinforcement for a less probable behavior.

Good Behavior Game

A type of group-oriented contingency that encourages competition between groups and cooperation within groups. Classroom rules are posted and reviewed, and then the class is divided into two or more groups. The teacher makes a tally mark on the chalkboard whenever she observes a student breaking one of the rules. The team with fewer than five tally marks “wins” free time and other privileges at the end of the day. Both teams can “win” if neither has more than five tally marks.

Token Economy

A behavior modification system that uses tokens as reinforcement for desired behaviors, which can be exchanged for rewards.