Ok, then i think it's fair to say if you guys want it acurate, then you should be rising with your use of solution, and drying with alcohol, because then the argument goes, if it was rinsed it may contain contamanent left in the droplets left within the burette even though it should be ok but...
But you can apply the same principle, you're rinsing the burette you aren't exactly leaving huge amounts of water, yes your result will change but the change is small is what i'm saying, which alters your results slightly not a huge amount.
Generally tho it shouldn't matter as much, but if you do it means u need more solution in the burette to dilute for the unknown meaning, he concentration of unknown would be more
U can use the pH calculation to work out how acidic it is, i don't think its particularly wise in general to pour over your hand. If you have ur results its prolly a bit easier to work out for us
From memory, (need other members to confirm), if you change the first preference but do not accept the inital offer you shouldn't recieve another one, however if you accept or decline and elect to change you should be able to recieve another offer. If this was what you were after
Cuts change from year to year, but i'd say ur chances are fair to good, i'd advise you to look into the entry requirements a bit just to make sure they apply, although it might be a blanket +10 at uws there are exceptions to that bonus like med etc
I think it's the idea that you're paying money that you should try to get you're money's worth, tbh if you're not finding it effective look for tutoring that's closer or just axe it altogether. There's no point in continuing it if you feel it doesn't improve you're current sitatuion. You could...