When nitrogen gas is cooled to nearly negative 200 c it turns in to a liquid. as it goes from a gas to a liquid at this incredibly low temperature change takes place. a) a physical b) a chemical c) both d) neither

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