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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 cal]

 
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 cal]

Grade:11

1 Answers

Mahima Kanawat
1010 Points
5 years ago
Dear student 
\Delta H=\Delta E +\Delta ngRT
-18500 = delta(E) +(-2)2*298
Heat at constant volume = - 17308 cal
WITH REGARDS
MAHIMA 
ASKIITIANS 

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