What is the mass in grams of 8 moles of Cu?

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

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?

How much mass would a mole of hydrogen molecules contain? recall that hydrogen is diatomic. g/mol