A biochemist starts with 211.4 grams of pure carbon. After hydrogenation, the sample weighs 249.4 grams. The molecular mass of the product is roughly 100 AMU. Determine the empirical and
molecular formulas.

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