A Current of 250

question 94

Multiple Choice

A current of 250. A flows for 24.0 hours at an anode where the reaction occurring is Mn²⁺(aq) + 2H₂O(l) → MnO₂(s) + 4H⁺(aq) + 2e⁻
What mass of MnO₂ is deposited at this anode?

• A)19.5 kg
• B)12.9 kg
• C)4.87 kg
• D)2.43 kg
• E)None of these choices are correct.

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Definitions:

Sequential Processing

The cognitive process of understanding and managing information in a specific, ordered sequence, critical for tasks such as problem-solving and learning.

Blindsight

A phenomenon in which people who are perceptually blind in a certain area of their visual field demonstrate some response to visual stimuli in that area without consciously perceiving them.

Selective Attention

The process by which one focuses on one input or task while ignoring other stimuli or information.

Inattentional Blindness

A psychological lack of attention that is not associated with any vision defects or deficits, where an individual fails to perceive an unexpected stimulus that is in plain sight when other attention-demanding tasks are being performed.