At 25°C the Rate Constant for the First-Order Decomposition of a Pesticide

question 81

Multiple Choice

At 25°C the rate constant for the first-order decomposition of a pesticide solution is 6.40 × 10^-3 min^-1. If the starting concentration of pesticide is 0.0314 M, what concentration will remain after 62.0 min at 25°C?

• A) 1.14 × 10^{-1 M}
• B) 47.4 M
• C) 1.25 ×10^{-2 M}
• D) 2.11 × 10^-2 M
• E) 2.68 × 10^-2 M

---

Definitions:

Behavior Modification

A therapeutic approach that seeks to change potentially self-destructive or undesirable behaviors through conditioning techniques.

Antecedents

Factors or events that precede and are considered to cause or influence an outcome or behavior.

Servant-leadership

A leadership philosophy in which the main goal of the leader is to serve. This is different from traditional leadership where the leader's main focus is the thriving of their company or organizations.

Greenleaf

A reference likely to Robert K. Greenleaf, who promoted the concept of servant leadership.