A sample of oxygen that occupies 2.9 X 10-6 mL at 635 mm Hg is subjected to a
pressure of 1.26 atm. What will the final vol-
ume of the sample be if the temperature is
held constant?
Answer in units of mL.

help please please

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

Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.

The three types is stress that act on earths rocks are compression, tension, and