A tank of oxygen holds 20.0 L at a pressure of 15.0 atm. What is the pressure of this same gas a constant temperature if the oxygen is allowed to expand to 300.0 L?

The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams

Which statement can best be concluded from the ideal gas law?

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.