For each of the following reactions, identify another quantity that is equal to delth degree rxn.
1. ch4(g) + 2o2(g) rightarrow co2(g) + 2h2o(i)
enathalpy of combustion of ch4
enthaply of formation of co2(g)
4x bond energy of c - h
- 4x bond energy of c - h
2. ch4(g) rightarrow c(g) + 4h(g)
enthalpy of combustion of ch4
enthalpy of formation of c(g)
4x bond energy of c - h
- 4x bond energy of c - h
3. c(graphite) + 2h2(g) rightarrow ch4(g)
enthalpy of comusion of ch4
enthalpy of formation of ch4(g)
4x bond energy of c - h
- 4x bond energy of c - h
4. c(g) + 4h(g) rightarrow ch4(g)
enthalpy of comusion of c
enthalpy of formation of ch4(g)
4x bond energy of c - h
- 4x bond energy of c - h