Which of the processes represented by the following chemical equations are endothermic? Choose one or more: A. heat +CaO(s)+3C(s)CaC2(s)+CO(g) B. CH4(g)+2O2(g)CO2(g)+2H2O(g)+ heat C. CH3OH(g)+23O2(g)CO2(g)+2H2O(g)H=676kJ/mol D. 2H2O(g)2H2(g)+O2(g)H=+483.6kJ/mol E. I2(s)I2(g) F. H2O(g)H2O(l) Based on the thermodynamic properties provided for water, determine the energy change when the temperature of 0.650kg of water decreased from 107"Cto18.0C