If 3.0 mL of acetone is dissolved in enough water to make a 5.0 mL solution. What is the percent by volume of the acetone in the solution?

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

50 pts plz what is the physical state of matter of baking soda.

What is the formula that this ionic compounds could form sr2+p3-o2-