Consider an Electrochemical Cell with the Following Cell Reaction Where $\to$

question 79

Multiple Choice

Consider an electrochemical cell with the following cell reaction where all reactants and products are at standard-state conditions: Cu²⁺(aq) + H₂(g) $\to$ Cu(s) + 2H⁺(aq) .Predict the effect on the emf of this cell of adding NaOH solution to the hydrogen half-cell until the pH equals 7.0.

• A)The emf will increase.
• B)The emf will decrease.
• C)No change in the emf will be observed.

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Definitions:

Accumulated Count

A value that represents the total number of events or quantities that have been counted over a period of time.

Timer Program

A function within PLC programming used to count time intervals for the controlled process.

Switch S1

A designation for a specific switch in an electrical or electronic circuit, often used in diagrams and documentation.

Light

A type of electromagnetic radiation within a certain portion of the electromagnetic spectrum, perceived by the human eye and responsible for the sense of sight.