Agaseous mixture contains 410.0 torr h2(g), 370.7 torr n2(g), and 67.7 torr ar(g). calculate the mole fraction, χ, of each of these gases.

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant