The Standard Emf for the Cell Using the Overall Cell

question 44

Multiple Choice

The standard emf for the cell using the overall cell reaction below is +2.20 V:

The emf generated by the cell when [Al³⁺] = 4.5 × 10^{- 3} M and [I^- ] = 0.15 M is V.

• A) 2.30
• B) 2.23
• C) 2.39
• D) 2.10
• E) 2.20

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Definitions:

Autokinetics

refers to an optical illusion where a stationary point of light appears to move in a dark room due to small involuntary eye movements.

Precognition

The claimed ability or phenomenon of knowing or perceiving future events before they happen.

Telepathy

The supposed communication of thoughts or ideas by means other than the known senses.

Clairvoyance

The purported psychic ability to gain information about an object, person, location, or physical event through extrasensory perception.