For the reaction of ethylene represented above, delta H is - 1,323 kJ. What is the value of delta H if the combustion produced liquid water H2O(l), rather than water vapor H2O(g)? (delta H for the phase change H2O(g) -> H2O(l) is -44 kJ mol-1.)

Match the vocabulary terms to their definitions. 1 . a long, chain-like set of molecules made up of repeating units joined end to end polymer 2 . a hard, brittle, heat- and corrosion-resistant material made by subjecting a nonmetallic mineral mixture to intense heat ceramic 3 . a plastic with low elongations that cannot be recycled thermoset 4 . a carbon fiber embedded in a polymer resin matrix thermoplastic 5 . a plastic with high elongations that can be recycled crystal 6 . a solid form resulting from the arrangement of atoms, ions, or molecules in definite geometric patterns composite