What is the percent yield of water from the combustion of propane (C3H8), if my theoretical yield is 8.17g of water?

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

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?

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both