The difference in temperature between the boiling point of a solution and the boiling point of the pure solvent Concentration A measurement of the amount of solute that's dissolved in a given quantity of solvent; usually expressed as mol / L
If you get banned from Xbox Live, you more than likely deserved it barring the occasional name misunderstanding or misinterpretation that usually get cleared up quickly. Punishment can range from suspensions of 24 hours up to two weeks, on up to full permanent bans.
VAC was first released with Counter-Strike in 2002, during its initial release, it only banned players for 24 hours. The duration of the ban was increased over time; players were banned for 1 year and 5 years, until VAC2 was released in 2005, when any new bans became permanent. VAC2 was announced in February 2005 and began beta testing the following month.