As water or hydrogen peroxide break down to hydrogen and oxygen, they change from___ to___ 1compounds to elements
2homogenous mixture to pure substance
3heterogenous mixture to homogenous mixture
4elements to compounds

How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag

Helium decays to form lithium. which equation correctly describes this decay?

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?