Chemistry-
General
Easy

Question

The molar heat capacities at constant pressure (assumed constant with respect to temperature) at A, B and C are in ratio of 3:1.5:2.0. The enthalpy change for the exothermic reaction A plus 2 text end text B rightwards arrow 3 C at 300 K and 310 K is capital delta H subscript 300 end subscript and capital delta H subscript 310 end subscript respectively then :

  1. capital delta H subscript 300 end subscript greater than capital delta H subscript 310 end subscript    
  2. capital delta H subscript 300 end subscript less than capital delta H subscript 310 end subscript    
  3. capital delta H subscript 300 end subscript equals capital delta H subscript 310 end subscript    
  4. If T subscript 2 end subscript greater than T subscript 1 end subscript then capital delta H subscript 310 end subscript greater than capital delta H subscript 300 end subscript and if T subscript 2 end subscript less than T subscript 1 end subscript then capital delta H subscript 310 end subscript less than capital delta H subscript 300 end subscript    

The correct answer is: capital delta H subscript 300 end subscript equals capital delta H subscript 310 end subscript

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