How many molecules are there in 79g of fe2o3? how many atoms is thi

Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

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?