Which of the Following Statements Is True Concerning the Electrochemical

question 5

Multiple Choice

Which of the following statements is true concerning the electrochemical cell Zn(s) | Zn²⁺(aq,1.0 M) || Ca²⁺(aq,1.0 M) | Ca(s) The standard reduction potentials are given follows:
Zn²⁺(aq) + 2 e− → Zn(s) ; E° = -0.76 V
Ca²⁺(aq) + 2 e− → Ca(s) ; E° = -2.87 V

• A) The standard cell potential is -3.63 V.
• B) The standard cell potential is -2.11 V.
• C) The standard cell potential is -2.11 V..
• D) The standard cell potential is -3.63 V..
• E) The standard cell potential is 2.11 V.

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Definitions:

Correlation Coefficient

A numerical indicator that determines the magnitude of the correlation between the relative fluctuations of two variables.

Regression Analysis

An approach in statistics for modeling how a dependent variable is related to one or more independent variables.

Dependent Variable

The variable in an experiment that is expected to change as a result of manipulations to the independent variable.

Residual

The difference between observed and predicted values in a regression analysis.