What is the total pressure, in millimeters of mercury, of a gas mixture containing argon gas at 0.19 atm , helium gas at 290 mmHg , and nitrogen gas at 330 torr? mmHg

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

The solid xy decomposes into gaseous x and y: xy(s) m x(g) + y(g) kp = 4.1 (at 0 °c) if the reaction is carried out in a 22.4 l container, which initial amounts of x and y will result in the formation of solid xy?