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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Yes. Our Android and Windows versions support offline usage. Once downloaded and activated, no internet is required to use most of the features.

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 2005 - Question 6

Chemistry 2005 JAMB Past Questions - Question 6: 2H2 + O2 ↔ H2+O ΔH = -571 kJ in the equation above, how much heat will be liberated if 12.0g of hydrogen is burnt in excess oxygen?

Choose the correct answers from the options given.

2H2 + O2 ↔ H2+O ΔH = -571 kJ in the equation above, how much heat will be liberated if 12.0g of hydrogen is burnt in excess oxygen?

A: -1142 kJ

B: -571 kJ

C: +1142 kJ

D: -1713 kJ

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CHEMISTRY

Chemistry 2005 JAMB Past Questions - Question 6: 2H2 + O2 ↔ H2+O ΔH = -571 kJ in the equation above, how much heat will be liberated if 12.0g of hydrogen is burnt in excess oxygen?

Examkit's JAMB CBT App

Correct Answer

Explanation