题目

CH 302 Mitchell Extra Credit Learning Module 21: The Electrochemical Cell

多项选择题

Select all of the true statements below.

选项

A.A voltmeter can be used to measure the potential difference ("voltage") of a cell.

B.Electrochemical cells are divided into half-reactions.

C.Electrochemical cell require an external circuit to perform work.

D.Half-reactions are connected only by their external circuit.

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标准答案

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思路分析

To begin, let's lay out what each statement is saying and check it against standard electrochemistry concepts. Option 1: 'A voltmeter can be used to measure the potential difference ("voltage") of a cell.' This is true. A voltmeter is connected across the cell terminals to measure the electrical potential difference; ideally it has a very high internal......Login to view full explanation

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