A 3.00 L sample of oxygen at a temperature of 250K has a pressure of 1.50atm. What will be the new pressure if the temperature is raised to 486K and the volume expands to 4.50 L

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

Which of the following is true about the speed of light? it depends on the wavelength.

The solubility of barium nitrate is 9.02 g/100 g h2o at 20°c. a 15.2 g sample of barium nitrate is added to 200.0 g of water at 20°c. is the solution saturated, unsaturated, or supersaturated? a. unsaturated b. saturated c. supersaturated