A Strip of Copper Is Placed in a 1 M

question 8

Multiple Choice

A strip of copper is placed in a 1 M solution of copper nitrate, and a strip of silver is placed in a 1 M solution of silver nitrate. The two metal strips are connected to a voltmeter by wires, and a salt bridge connects the solutions. The following standard reduction potentials apply: When the voltmeter is removed and the two electrodes are connected by a wire, which of the following does not take place?

• A) Negative ions pass through the salt bridge from the silver half-cell to the copper half-cell.
• B) The silver electrode increases in mass as the cell operates.
• C) Electrons flow in the external circuit from the copper electrode to the silver electrode.
• D) Some positive copper ions pass through the salt bridge from the copper half-cell to the silver half-cell.
• E) There is a net general movement of silver ions through the salt bridge to the copper half-cell.

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Definitions:

Rewards and Punishments

Behavioral tools used to reinforce desirable behaviors and discourage undesirable ones.

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Beliefs in one's ability to succeed in specific situations or accomplish a task, which can play a major role in how goals, tasks, and challenges are approached.

Self-concept Expectations

The beliefs and anticipations about one's abilities, behaviors, and characteristics that shape one's self-concept.

Self-esteem Expectations

The beliefs individuals hold about their ability to succeed and their worthiness of success and happiness, influencing motivation and behavior.