Heat exchanged in a chemical reaction at constant temperature and constant pressure is called as

Options :
  1. internal energy
  2. enthalpy
  3. entropy
  4. free energy

Answer and Explanation :-

Answer: Option 2


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By: mohit dadlani On: Jan/22/2015

hello, i don''t understand how answer is enthalpy.

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By: Zorawar Singh On: Jun/07/2015

All options don't fit the question because although in a chemical reaction the pressure is nearly constant but temperature may or may not that''s why we take enthalpy which can be define as heat energy at constant pressure.

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