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.
There are cellphone companies that would agree to waiving the activation fee, provided that you agree to a certain lock-in period. Normally this lock-in period would be a minimum of 30 months, even longer, depending on how much the activation fee is.