The Rate Constant for a First-Order Reaction Is 1

question 54

Multiple Choice

The rate constant for a first-order reaction is 1.7 × 10^-2 s^-1 at 676 K and 3.9 × 10^-2 s^-1 at 880 K.Determine the activation energy of the reaction.(R = 8.314 J/K⋅mol)

• A) 8.6 kJ/mol
• B) 8.7 kJ/mol
• C) 26 kJ/mol
• D) 2400 kJ/mol
• E) 21 kJ/mol

---

Definitions:

HAc

A common abbreviation for acetic acid, a weak organic acid with the formula CH3COOH, known for its sour taste and pungent smell.

K

Symbol for potassium, a chemical element with atomic number 19, essential for various functions in living organisms.

[HA]

May refer to the concentration of hyaluronic acid in a solution, often mentioned in the context of chemical and biological studies or cosmetics formulations.

K

Symbol for potassium, a chemical element and a key electrolyte in the body.