The Rate Constant,k,for a First-Order Reaction Is Equal to 4

question 85

Multiple Choice

The rate constant,k,for a first-order reaction is equal to 4.2 × 10^-4 s^-1.What is the half-life for the reaction?

• A)2.9 × 10^-4 s
• B)1.2 × 10³ s
• C)1.7 × 10³ s
• D)2.4 × 10³ s

---

Definitions:

Semimembranosus

A muscle located in the posterior thigh, part of the hamstrings, playing a role in extending the hip and bending the knee.

Rotator Cuff

A group of muscles and tendons that surround the shoulder joint, providing it with stability and allowing for a wide range of arm movements.

Infraspinatus

A muscle located on the back of the shoulder blade and is involved in the rotation and stabilization of the shoulder joint.