What happens when a liquid becomes a gas? A. It changes shape but not volume.
B. It changes shape and volume.
O C. Nothing happens.
D. It changes volume but not shape.

For which one of the following reactions is the value of δh° rxn equal to δh° f for the product? a. 2 h2 (g) + o2 (g) → 2 h2o (l) b. n2 (g) + o2 (g) → 2 no (g) c. 2 h2 (g) + o2 (g) → 2 h2o (g) d. h2o (l) + 1/2 o2 (g) → h2o2 (l) e. none of the above

Tell me the iupac name of the following compounds:

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate