PLEASE HELP ME WITH THESE 5 SHORT MULTIPLE CHOICE QUESTIONS!!! i’ll give a brainliest:)

(i already that number 1 is b)

What is the common name for the compound shown here? enter the common name of the compound shown?

Which of the following describes the entropy change as a solution is made from a liquid and solid

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?