Question

the enthalpies of Methane and Ethane are respectively 20 and 560 Calories and the bond energy of c-c bond is​

Answer 1

Answer:

Explanation:

CH4→C+4H,δH=320

EC−H=90cal

C2H6→2C+6H

ΔH=360

∴360=EC−C+6EC−H

∴EC−C=360−320=40cal