NEET Chemistry · Medium

Thermodynamics: Calorimetry logic MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Calorimetry logicMediumQuestion 23108

Question

Why is qpq_p more common in chemistry labs than qvq_v?

  1. A
    Many reactions are performed in open vessels at constant pressure
    Correct
  2. B
    Internal energy is never important
  3. C
    No gas reactions occur
  4. D
    Volume cannot be measured

Correct answer

Many reactions are performed in open vessels at constant pressure

Explanation

Laboratory conditions often approximate constant atmospheric pressure.