Based on boyle's law, which of the following statements is true for an ideal gas at a constant temperature and mole amount?

a) pressure is directly proportional to volume.
b) pressure is inversely proportional to volume.
c) the number of collisions is independent of pressure.
d) the number of collisions decreases with increase in pressure.

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