How are the structure and properties of solids related

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

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?