True or False:
A. When atoms bond covalently energy is released
B. All the carbon to carbon bonds in benzene are the same.
C. A mole of NH3 and a mole of H2O weigh the same.
D. ice is denser than liquid water.
E. In organic compounds C atoms have 4 covalent bonds.
F. Water is a nonpolar compound.
G. Diamond, graphite, and fullerene are all forms of carbon.
H. All spontaneous chemical reactions are exothermic.
I. C4H8 is a saturated compound
J. When liquid water freezes heat is liberated.