True or False and Why?

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