How Many Grams of Oxygen Gas Will Be Produced in the Electrolysis

question 81

Multiple Choice

How many grams of oxygen gas will be produced in the electrolysis of water, for every gram of hydrogen gas formed? Reaction: 2H₂O(l) → 2H₂(g) + O₂(g)

• A)31.7 g
• B)15.9 g
• C)7.94 g
• D)3.97 g
• E)1.98 g

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Definitions:

Retrieval Cues

Stimuli or cues that assist in the recall of information stored in memory.

Recall

The cognitive process of retrieving information from memory, allowing for the conscious recollection of past experiences and knowledge.

Recognition

The cognitive process of identifying information that has been previously learned or experienced.

Primacy Effect

The tendency to remember items at the beginning of a list better than those in the middle or at the end.