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Grade: 11
        
heat of formation of ch4 at constant pressure is -18500 cal at 298 k.the heat of formation at constant vol is   [ given C +2H2------CH4 ,delta H =18500]
6 months ago

Answers : (1)

Arun
21041 Points
							
Dear stusent
 
delta H = delta E + delta n * RT
 
- 18500 = delta E + (-2)2*298
 
delta E = – 17308 Calories
 
hope it helps
 
6 months ago
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