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.
The same is true for 1 month Xbox Live, Microsoft charge Â£5.99 in the UK but, you can buy codes for around Â£4 from eBay, or websites that provide codes (legitimate sites! eg CDKeys in the UK is a good reliable site)