The initial volume of a gas at a pressure of 8.2 atm is 6.9 L. What will the volume be if the pressure is increased to 3.0 atm?

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

What is the mass of 4 molecules of co2