20 mins left pls help Explain how you would calculate the total change in bond energy for the reaction H2 + Cl2 -> 2HCI How would you know if
the reaction was endothermic or exothermic? State your answer in 3-5 sentences
(2 points)

1) a. water molecule breaks up into hydrogen and oxygen on passing electricity. does this involve breaking intermolecular or intramolecular forces of attraction. explain b. on boiling water changes to water vapor. does this involve breaking intermolecular or intramolecular forces of attraction. explain methanol evaporates faster than water. contrast the intermolecular forces and the vapor pressures of methanol and water?