Post Utme Mountain Top University 2025 Chemistry Question 29

Practice objective / multiple choice question 29 from the 2025 Post Utme Mountain Top University Chemistry examination.

Post Utme Mountain Top University 2025 Chemistry Objective / Multiple Choice
Question 29 POST_UTME_MOUNTAIN_TOP_UNIVERSITY • 2025 • CHEMISTRY • objective

The rate cons\tant (k) of a first-order reaction is given by the equation: k = Ae^\( -Ea/RT \). If the activation energy (Ea) is 100 kJ/mol, the gas cons\tant (R) is 8.314 J/mol*K, and the temperature (T) is 300 K, what is the value of A if k = 0.05 s^\( -1 \)?

Answer Options

Correct Answer A. 1.23 x 10^7 s^\( -1 \)
B. 1.23 x 10^6 s^\( -1 \)
C. 1.23 x 10^5 s^\( -1 \)
D. 1.23 x 10^4 s^\( -1 \)
Correct Answer
A
Correct Option:
1.23 x 10^7 s^\( -1 \)

About This Question

This is Post Utme Mountain Top University 2025 Chemistry Question 29. It is one of the objective questions from the 2025 Post Utme Mountain Top University Chemistry examination.

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