The specific heat of solid water (ice) and liquid water are 2.03 J/gºC and 4.18 J/gºC respectively. Heating a 49.3 g sample of
ice from -25.0°C to water at 44.7 °C requires 28.23 kJ of heat.
Calculate the heat of fusion of water in J/g. Assume the
melting point of water is 0 °C.

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