Can someone help me with this Stoichiometry? I will give brainlist if you include work.

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?

What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m

Will a solution form when the solvent and solute are both nonpolar? a. not likely b. never c. most likely