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Question 23080
NEET Chemistry · Medium

Thermodynamics: Enthalpy MCQ

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EnthalpyMediumQuestion 23080

Question

At constant pressure, if a reaction releases 40 kJ heat, ΔH\Delta H is:

  1. A
    -40 kJ
    Correct
  2. B
    +40 kJ
  3. C
    0
  4. D
    Depends on work

Correct answer

-40 kJ

Explanation

Heat release at constant pressure means negative enthalpy change.

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