Which of the Following Statements Is True Concerning the Electrochemical $\to$

question 40

Multiple Choice

Which of the following statements is true concerning the electrochemical cell depicted below? Ca | Ca²⁺(aq) || K⁺(aq) | K
Ca²⁺(aq) + 2e^- $\to$ Ca(s) ; $\varepsilon$ ^$\circ$ = -2.87 V
K⁺(aq) + e^- $\to$ K(s) ; $\varepsilon$ ^$\circ$ = -2.93 V

• A)The cell reaction is spontaneous with a standard cell potential of 0.06 V.
• B)The cell reaction is nonspontaneous with a standard cell potential of -5.80 V.
• C)The cell reaction is nonspontaneous with a standard cell potential of -0.06 V.
• D)The cell reaction is spontaneous with a standard cell potential of 5.80 V.
• E)The cell is at equilibrium.

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Definitions:

Positive Caster

Alignment setting of the wheels where the steering axis tilts toward the driver, improving vehicle stability and steering effort at high speeds.

Caster Shim

A shim used in the caster of a wheel assembly to adjust the angle of the wheel pivot, affecting steering and stability.

Frame Angle

The angle formed between a horizontal line and one drawn parallel to the frame.

Positive Caster

A wheel alignment setting where the steering axis tilts toward the driver, enhancing stability and handling.