Psychology homework help. What is the standard enthalpy of formation of MgCO3(s)?                                      MgO(s) + CO2(g)  ? MgCO3(s);          ?H° = -100.7 kJ Substance?H°f (kJ/mol)MgO(s)-601.6CO2(g)-393.5A. 107.4 kJB. -308.8 kJC. -894.4 kJD. -1095.8 kJE. 894.4 kJ

Psychology homework help