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Nano
Questions and answers by visitors named
Nano
Questions (2)
Why is dichloromethane not a good choice for re-crystallization of the caffeine?
How could you determine that the product you had
2 answers
501 views
Motion in 2D and 3D
A batter kicks a football so that it leaves the bat at speed vo = 30 m/s at an angle = 53°. (a) Find the
1 answer
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Answers (2)
watch out that the formula is negative (on e), so it should be in the range of x*10^-4 or 10^-5! And note, that I can not give you the right answer as I succeeded only on my third attempt :) I need help with 11 and 12.
ΔHv=104,000J/6.02×10^23=1,7276*10^-19 nv/Ns=e^{(-1.7276*10^-19)/[(1.381×10^−23)*(1366)]}=Result Use the result to substitute to: nv/Ns*ρ*Avogadro number/Mw(Cu) = nv/Ns(result from above) * 8.94*( 6.02*10^23/63.546)
