Answer:
I think air is more denser than oxygen
Answer: The positive and negative charges of the water molecule pull on the negative and positive ends of the ionic molecule to break them apart.
Explanation:
Ionic compounds dissolve in polar solvents such as water as like dissolves like. Ionic compounds are made up of ions which remain attracted by coloumbic forces.
Thus to separate the ions, the positive and negative charges of polar solvent pulls the opposite charges of the ionic compounds and thus break them apart. Thus the ionic compounds dissolve in water.
Answer: C. They must have the same average kinetic energy.
Explanation: I got it right
1.solidification of a melt.
2.precipitation from solution.
3.solid-state diffusion.
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