1. A rigid 5.00 L cylinder contains 34.5 g of N2(g) and 38.0 g of O2(g). (a) Calculate the pressure of each gas, in atm, in the cylinder at 298 K.

Which statement justifies that phosphine (ph3) is a polar molecule?

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.

Nonpoint source pollution is difficult to control because it