A gas in a tank at 13.3 atm has a mole fraction of H2 gas of 0.535 and a mole fraction of N2 gas of 0.465. Calculate the partial pressure of N2 gas in the sample.

Remember to use the proper number of significant figures and leading zeros in all calculations. gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?