11th Class Chemistry Thermodynamics

  • question_answer 51)   In an exothermic reaction, heat is evolved and system loses heat to the surroundings. For such system: (a) \[{{q}_{p}}\]will be negative                                                (b) \[{{\Delta }_{r}}H\]will be negative (c) \[{{q}_{p}}\]will be positive                                                  (d) \[{{\Delta }_{r}}H\]will be positive


      (a, b) In exothermic reactions: \[{{\Delta }_{r}}H\] or \[{{q}_{p}}=-ve\]

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