The Rate Constant,k,for a First-Order Reaction Is Equal to 4

question 85

Multiple Choice

The rate constant,k,for a first-order reaction is equal to 4.2 × 10^-4 s^-1.What is the half-life for the reaction?

• A)2.9 × 10^-4 s
• B)1.2 × 10³ s
• C)1.7 × 10³ s
• D)2.4 × 10³ s

Accurately perform arithmetic operations including square, sum, and product.

Identify and compute the least common denominator in given scenarios.

Apply conversion factors to calculate equivalent measurements in different units of weight, length, volume, and digital storage.

Use conversion factors for time calculations and understand time unit conversions.

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Definitions:

Behavioral Differences

Variations in actions and reactions among individuals or groups, often studied in psychology and sociology.

Cerebral Hemisphere

One of the two halves of the brain, each responsible for different functions and processes. The left hemisphere is typically associated with language and analytical tasks, while the right hemisphere is linked to creativity and spatial abilities.

Facial Emotion

The expression of feelings or emotions through facial movements, which is a key aspect of non-verbal communication.

Prefrontal Cortex

A region of the brain associated with decision making, social behavior, personality, and cognitive planning.