The symbol ∆ in a chemical equation means: precipitate. heat is supplied to the reaction. a catalyst is needed. yields.

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

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?

What is the percent by mass of oxygen in fe2o3