State whether each of the following statements is true or false:

A A mole of H2O weighs the same as a mole of SO2

B C2H6 is a saturated organic compound.

C There is more than one compound with the formula C5H12.

D In chemical reactions the total number of moles of products must be the same as the total number of moles of reactants.

E Energy is liberated when chemical bonds are formed between atoms.

F The lower the specific heat of a substance, the more heat is required to increase its temperature by a specified amount.

G The density of ice is greater than that of liquid water.

H Heat is evolved when a solid forms a liquid.

I Alkane molecules are capable of reacting with each other to form polymers.

J Alkanes are produced when hydrogen is added to alkenes