Consider the following intermediate chemical equations. CH.(g) → C(s)+2H2(g)
CCI.(g) →C(s)+2012(g)
H2(g)+C12(g) → 2HCl(9)
AH, = 74.6 kJ
AH2 = 95.7 kJ
AH, =-92.3kJ
What is the enthalpy of the overall chemical reaction CH4(9)+4012(g) → CC14(g)+4HCI(g)?
O-205.7 kJ
O-113.4 kJ
0-14.3 kJ
0 78.0 kJ