What is the mole fraction of N2 in the mixture?

Aside from human impact, which of the following causes less water vapor production over a small area? (2 pderivartin

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?