Chemistry · Chemical Thermodynamics
Which among the following gaseous reactions exhibits a change in enthalpy equal to the change in internal energy (ΔH = ΔU)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1C(s) + 2H2O(g) → 2H2(g) + CO2(g)
- 2PCl5(g) → PCl3(g) + Cl2(g)
- 32CO(g) + O2(g) → 2CO2(g)
- 4H2(g) + Br2(g) → 2HBr(g)✓
Correct answer
H2(g) + Br2(g) → 2HBr(g)
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