A Certain Reaction Has a Rate Constant of 8

question 41

Multiple Choice

A certain reaction has a rate constant of 8.8 s^-1 at 298 K and 140 s^-1 at 323 K.What is the activation energy for this reaction?

• A)38 kJ.mol^-1
• B)89 kJ.mol^-1
• C)120 kJ.mol^-1
• D)23 kJ.mol^-1
• E)1.2 kJ.mol^-1

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Definitions:

Fire Alarm

A device designed to detect fire or smoke and emit a loud warning sound to alert occupants of potential danger.

Cold Temperature

Refers to lower temperatures that can be naturally occurring or artificially created, often perceived as uncomfortable or requiring physiological adaptation by organisms.

Sensory Adaptation

The process by which sensory receptors become less sensitive over time when exposed to constant stimuli.

Unchanging Stimulus

A stimulus that remains constant over time without variation, which can sometimes lead to habituation, where the response to the stimulus decreases.