Chemistry-
General
Easy

Question

2CO(g)+O2(g)→2CO2(g)+XKIn the above equation XKJ refers to-

  1. HeatofformationofCO2    
  2. Heatofvapourisation    
  3. heatofreaction    
  4. Heatofsublimation    

The correct answer is: heatofreaction

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