Question:medium

What is the value of ΔH – ΔU for the following reaction? 2C(s) + 3H₂(g) → C₂H₆(g)

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Key Exam Tip:
The equation $\Delta H = \Delta U + RT \Delta n$ is essential for relating enthalpy and internal energy changes in reactions involving gases, where $\Delta n$ is the change in moles of gas.
Updated On: May 16, 2026
  • 4RT
  • -5RT
  • RT
  • -2RT
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The Correct Option is D

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