Wednesday
December 11, 2013

# Posts by Chemistry

Total # Posts: 180

muah
using only words and no numbers how would i explain the steps necesarry to show how many kilograms are in a milligram? thanks :D

muah
With out using numbers just words what are the steps necesarry to show how many kilograms are in a milligram

muah
explain why the name of the insect millipede doesnt follow SI conventions? please help me i cant find this any where in my text. I would be very happy if you did help. :D

gen chem
What is the boiling point in K of Zn, if the entropy change for evaporation of .8564 mole at its boiling ponit is 95.067K? The heat of vaporization of Zn is 131jk/mole.

gen chem
im getting 1.54e-6

gen chem
thanks for the help but im still not getting the right answer

gen chem
The free energy change for dissolution of CaSO4 at 25C is 28.774kJ/mole. What is the solubility of this compound. i got ksp lnK = deltaG/RT lnK= 28774/(-8.31*298) Ksp = 2.39e-12 i dont know waht to do after this..

gen chem
suppose a compound could point in any of the three directions in the solid and still have the same energy. how many molecules would there be if the total entropy of a solid sample of this compound was 3.48x10^-9 j/k

gen chem
calculate [H+] if [OH] is 1.688x10^-3