Most atoms of uranium, which has 92 protons, are either uranium-235 or uranium-238. Compare the mass numbers and atomic numbers of these two isotopes of uranium. Recall, atomic number is the number of protons in the nuclei of elements.

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

Choose all the answers that apply. as ocean depth increases, temperature decreases temperature increases pressure increases pressure decreases salinity increases density increases

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?