PLEASE HELP ASAP PLEASE I NEED THIS SOON

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

Light waves are as they pass through the

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