What is the molar mass for Fe2O3. be sure to show your work for full marks

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.