An Equilibrium Is Established in Which Both the Forward (Fwd)

question 4

Multiple Choice

An equilibrium is established in which both the forward (fwd) and the reverse (rev) reactions are elementary. If the equilibrium constant K_c = 1.6 *10¯² and the rate constant k_fwd = 8.0 * 10¯⁷ s¯¹ what is the value of k_rev?

• A) 1.3 *10¯⁸s¯¹
• B) 7.8 *10⁷s¯¹
• C) 2 * 10⁴ s¯¹
• D) 5.0 *10¯⁵s¯¹
• E) None of these choices is correct.

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Definitions:

UCR

Unconditioned Response, which is an automatic, natural reaction to a stimulus in classical conditioning theory.

UCS

Unconditioned Stimulus, an aspect of classical conditioning theory, referring to a stimulus that naturally triggers a reflexive or involuntary response without prior learning.

CS

Stands for Conditioned Stimulus in classical conditioning; a neutral stimulus that, after being repeatedly paired with an unconditioned stimulus, becomes able to elicit a conditioned response.

CR

Conditional Reflex; a learned response to a specified stimulus.