The mole
c carbonate decomposes to zinc oxide and carbon dioxide
23 on heating, zinc carbonate decompos
znco zno, co
when 12 g of zinc carbonate are heated calculate
a the mass of zinc oxide formed
the volume of carbon dioxide formed at r..p.
minhum chloride content

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures

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?