Can you guys answer this for me ASAP

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Write a balanced equation showing the formation of copper (ii) nitrite from its elements