If a Reaction Carried Out at 61 ◦C Has an Activation

question 123

Multiple Choice

If a reaction carried out at 61 ◦C has an activation energy, E_a, of 67.3 kJ mol^-1, a rate constant of 791 s^-1, and a frequency factor, A, of 2.65 × 10¹³, what is the value of R? k = A

• A)0.08314 J mol^-1 K^-1
• B)2.62 J mol^-1 K^-1
• C)0.08206 J mol^-1 K^-1
• D)9.51 J mol^-1 K^-1
• E)8.314 J mol^-1 K^-1

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Definitions:

Enzymatic Activity

The process and rate at which enzymes catalyze reactions, converting substrates into different molecules.

Freezing

The process of a liquid turning into a solid phase as its temperature is lowered below its freezing point.

Lipid Globules

Small droplets of lipids within cells, serving as energy storage or signaling molecules.

Mechanical Activity

Physical actions or movements brought about by the force of muscles on the skeleton, aiding in bodily functions and locomotion.