A sealed container holds the gases He, Ne, and Ar. Which of these gases corresponds to each of the following descriptions? highest kinetic energy
lowest kinetic energy
fastest atoms
slowest atoms

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point