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Real Madrid gg nao.

Yes, I agree.

CaCO3 + H2SO4 -> CaSO4 + CO2 + H2O Ratio is 1 : 1 : 1 : 1 : 1 n(CaCO3) = m / mm = 3.00 / (40.08+14.01+16+16+16) = 3.00 / 102.9 = 0.029385836 N(CaCO3) = 0.03mol Since the molar ratio is 1 : 1 : 1 : 1 : 1, all the will have the same moles. Therefore: n(CaCO3) = n(H2SO4) = n(CaSO4) = n(CO2) =...

Co = 1.77g O = 2.41g - 1.77g = 0.64g n(Co) = m / mm = 1.77/58.93 = 0.030035635 n(Co) = 0.03 n(O) = 0.64/16 = 0.04 n(Co) = 0.04 Ratio is 0.03 : 0.04 = 3 : 4 Therefore Empirical Formula is Co3O4.

31b] 2SO2 + O2 -> 2SO3 2 : 1 : 2 0.6 : 0.3 : 0.6 0.6SO2 + 0.3O2 -> 0.6SO3

31a] N2 + 3H2 -> 2NH3 20N2 + 60H2 -> 40NH3

30b] 10C4H18 + 125O2 -> 80CO2 + 90H2O

30a] C2H6 + 7/2O2 -> 3H2O + 2CO2

No they cannot, don't worry I've been in your situation before.

I never do any homework :S

I'll try it some day.

Nope, I'm just treating it the same as UAI.

I guess now all the Tuition Colleges (i.e. Matrix Education, Talent 100) have to change their UAI talks into ATAR.

Re: 回复: Re: How do we pronounce ATAR? /facepalm

I got one as well T_T;;

Nice stats :)

Sounds right to me ^_^ I guess, that'll work as well.

Basically the same thing. Read this:

So colourful @_@

teh phail emage?