A Reaction Was Experimentally Determined to Follow the Rate Law

question 83

Multiple Choice

A reaction was experimentally determined to follow the rate law, Rate = k[A] where k = 0.15 s^-1. Starting with [A]_o = 0.225M, how many seconds will it take for [A]_t = 0.0350M

• A) 3.4 x 10^-2 s
• B) 5.3 x 10^-3 s
• C) 12 s
• D) 160 s
• E) 1.3 s

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Definitions:

Prokaryotic

Describing organisms, such as bacteria and archaea, that lack a nucleus and other membrane-bound organelles in their cells.

Repressor Protein

A protein that binds to specific DNA sequences, thereby inhibiting the transcription of genetic information from DNA to messenger RNA.

RNA Synthesis

The process by which ribonucleic acid (RNA) molecules are created from DNA templates in cells, essential for gene expression and regulation.

Enhancers

Genetic elements that increase the transcription of specific genes, playing a key role in regulating gene expression.