Exam level3 past questions

Internal Energy, Enthalpy, and Their Relationship

Explore the concepts of internal energy and enthalpy, their definitions, and how they are related for different processes and conditions.

Why this shows up in the exam

Understanding these core quantities is essential for solving energy change problems in NEET and JEE.

How NEET tests this

Direct recall · 2 QsNumerical

Practise it

These are real questions from past NEET papers that test this exact idea.

Question 1 of 3NEET 2021

Which one among the following is the correct option for right relationship between Cₚ and Cᵥ for one mole of ideal gas?

Push further

More challenging

2 harder questions built from the past papers above — a step up in difficulty, with distractors designed so you can't get there by elimination. Written and checked by our reviewers, not from a real paper.

Question 1 of 2

For the reaction N₂(g) + 3H₂(g) → 2NH₃(g) at 298 K, the enthalpy change (ΔH) is -92.4 kJ. Calculate the internal energy change (ΔU) for this reaction.