When the Equation for the Following Reaction in Basic Solution

question 67

Multiple Choice

When the equation for the following reaction in basic solution is balanced, what is the sum of the coefficients?
MnO₄^-(aq) + CN^-(aq) → MnO₂(s) + CNO^-(aq)

• A) 20
• B) 10
• C) 8
• D) 13
• E) 11

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Definitions:

Sensory Memory

A type of memory that holds incoming sensory information for a very short period of time, usually for only a few seconds, before it is either forgotten or transferred to short-term memory.

Short-Term Memory

Limited-capacity memory system in which information is usually retained for only as long as 30 seconds unless strategies are used to retain it longer.

Chunking

A cognitive strategy that involves breaking down information into smaller, manageable units to enhance memory and recall.

Short-Term Memory

The capability to maintain a small volume of information in an immediate, ready-to-use state for a short time.