how is the mass percent of elements in a compound different for a 1.0 g sample versus a 100 g sample versus a 1 mol sample of the compound?

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?