The Rate Law for a Reaction Is Rate = K[A]²[B]

question 47

Multiple Choice

The rate law for a reaction is rate = k[A]²[B].Which of the following mixtures of reactants will give the smallest initial rate?

• A) 1.0 M A and 1.0 M B
• B) 2.0 M A and 0.50 M B
• C) 0.50 M A and 0.50 M B
• D) 0.125 M A and 3.0 M B
• E) 1.5 M A and 0.50 M B

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Definitions:

DNA Nucleotides

The basic building blocks of DNA, consisting of a phosphate group, a sugar molecule (deoxyribose), and one of four nitrogenous bases (adenine, cytosine, guanine, or thymine).

DNA Polymerase

An enzyme that catalyzes the synthesis of new DNA molecules by adding nucleotides to a DNA strand.

Enzyme

Organic catalyst, usually a protein, that speeds a reaction in cells due to its particular shape.

Double Helix

Double spiral; describes the three-dimensional shape of DNA.