Consider the reaction C3H8(g)+5O2(g)3CO2(g)+4H2O(l) Using enthalpies of formation, calculate Hrxn for the reaction: 1110.0kJ/mol 1110.0kJ/mol 2219.9kJ/mol 2219.9kJ/mol Consider the reaction: 2C2H2(g)+5O2(g)4CO2(g)+2H2O(I)Hrxn=2600.kJ/mol 2600kJ of heat per 1.000 mole of C2H2(g) is absorbed 1300kJ of heat per 1.000 mole of C2H2(g) is absorbed 2600kJ of heat per 1.000 mole of C2H2(g) is released 1300kJ of heat per 1.000 mole of C2H2(g) is released