In the following, how many grams of NH3 are needed to react with 4.5 grams of O,? 4NH3 + 50, → 4NO + 6H2O

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