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hey guys say if i have 5 grams of sodium nitrate and dissolve in 100mL of water when i just the J = MC delta ^T formula, do i take M as 100grams or 105grams. because i put 105 grams as this is what it said in the conquering chem preliminary. its wrong isn't it?:(

hey guys im not really sure what the equation for the dissolution of ammonium chloride into water is. thanks in advance :D

what lourai*87 said

How was everyone's first week back from holidays? :(

yes definately :D

well my physics class previously had 10 students last terms, we have like 32 on the first lesson this term :mad1:

obviously the cover :D

hahaha hey rebecca :D, check the resources section

8:50 everyday, unless i have a free :D

thanks casmira :D

hahah same here :D

Re: what are you putting on the back of ur year 12 jersey? vizman :D

you can't use them in board of studies exams as well right?

pretty much just study all the work you've covered including all assignments

i do 2 sciences and find it pretty good, since you have a nice balance. however, if you love science to bit, it shouldn't be too tough

damn if only australia beat italy :D

Vadar POWA :D

oh thanks riviet, just as i finished :mad1:

1. sin2x/ 1 + cos2x = 2cosxsinx/1+(2cos^2x - 1) = sinx/cosx = tanx

Solitaire :)