Examkits is a JAMB CBT practice platform that provides over 20 years of past questions, Post UTME questions, and detailed video solutions to help students prepare for their exams.

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You can practice JAMB past questions online, on Android, or on a desktop using the Examkits app. Just register on our website and choose your preferred device.

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Do you offer video solutions for JAMB questions?

Yes, Examkits provides detailed video explanations for all JAMB past questions from 2000 to 2024, helping students understand how to solve each problem.

Examkits offers free practice for some subjects. However, full access requires a one-time affordable activation fee for each version of the app.

CHEMISTRY

JAMB 2014 - Question 27

Chemistry 2014 JAMB Past Questions - Question 27: If the change in free energy of a system is -899 Jmol¹ and the entropy change is 10Jmol-¹k¹ at 25°C, calculate the enthalpy change. e

Choose the most appropriate option for the gap

If the change in free energy of a system is -899 Jmol¹ and the entropy change is 10Jmol-¹k¹ at 25°C, calculate the enthalpy change. e

A: +2081 Jmol¹

B: -2081 Jmol

C: -649 Jmol

D: +649 Jmol

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CHEMISTRY

Chemistry 2014 JAMB Past Questions - Question 27: If the change in free energy of a system is -899 Jmol¹ and the entropy change is 10Jmol-¹k¹ at 25°C, calculate the enthalpy change. e

Examkit's JAMB CBT App

Correct Answer

Explanation