Post Utme Al Hikmah University 2024 Chemistry Question 11

Practice objective / multiple choice question 11 from the 2024 Post Utme Al Hikmah University Chemistry examination.

Post Utme Al Hikmah University 2024 Chemistry Objective / Multiple Choice
Question 11 POST_UTME_AL-HIKMAH_UNIVERSITY • 2024 • CHEMISTRY • objective

The rate cons\tant (k) for a first-order reaction is given by the equation: k = Ae^\( -Ea/RT \). If the activation energy (Ea) is 120 kJ/mol, the gas cons\tant (R) is 8.314 J/\( mol*K \), and the temperature (T) is 300 K, calculate the value of k when A = 2.5 x 10^\( -3 \) s^\( -1 \).

Answer Options

A. 2.5 x 10^\( -5 \) s^\( -1 \)
B. 2.5 x 10^\( -4 \) s^\( -1 \)
Correct Answer C. 2.5 x 10^\( -3 \) s^\( -1 \)
D. 2.5 x 10^\( -2 \) s^\( -1 \)
Correct Answer
C
Correct Option:
2.5 x 10^\( -3 \) s^\( -1 \)

About This Question

This is Post Utme Al Hikmah University 2024 Chemistry Question 11. It is one of the objective questions from the 2024 Post Utme Al Hikmah University Chemistry examination.

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support