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

question 93

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 ⁻⁸ s ⁻¹
• B)7.8 × 10 ⁷ s ⁻¹
• C)2 × 10 ⁴ s ⁻¹
• D)5.0 × 10 ⁻⁵ s ⁻¹
• E)None of these choices are correct.

---

Definitions:

Extension

Extension is a movement that increases the angle between two body parts, such as straightening a flexed knee.

Bending Forward

A physical movement where the upper body moves closer to the legs, often used in exercises or as a stretch.

Shrugging Shoulders

A movement involving elevation of the shoulders, often as a gesture of indifference or to activate specific muscles in the upper body.

Biaxial Joint

A type of synovial joint that allows movement around two axes, providing a greater range of motion, such as seen in the wrist or ankle.