What is the volume of the sphere 8cm? Round your answer to the nearest tenth.

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 of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold

What is the volume of 3.2 moles of chlorine gas (cl2) at 295 k and 1.1 atm?