🎓 Academic .

[sir peculiar]

.

 

[Deleted member 1872347]

1.
C2H8 + 4O2 -> 2 CO2 + 4H2O
deltaHf = [4(-241.8) + 2(-393.5)] - [4(0) + 1(-104.0)]
deltaHf = -1650.2 kJ

2.
deltaHf = 2(-393.5) - 1(-566.0)
deltaHf = -221 kJ

 

[sir peculiar]

1.
C2H8 + 4O2 -> 2 CO2 + 4H2O
deltaHf = [4(-241.8) + 2(-393.5)] - [4(0) + 1(-104.0)]
deltaHf = -1650.2 kJ

2.
deltaHf = 2(-393.5) - 1(-566.0)
deltaHf = -221 kJ

Thank you po talaga!