Recent Homework Questions About Chemistry
Determine The Mole Fraction Of Substances In Solution Containing 36g of water and 46g of glaycerine C3H5(OH)3.
Friday, November 29, 2013 at 12:25am
volume of cylinder is pi*r^2*h mass H2O = volume x density mols H2O = mass H2O/molar mass H2O
Thursday, November 28, 2013 at 3:02pm
Wednesday, November 27, 2013 at 7:39pm
(H2O) = 1/11 = 0.0909M (CO) = 1/11 = 0.0909 (0.422/11) = 0.0384 ......CO(g) + H2O(g)<->CO2(g) + H2(g) I...0.0909...0.0909.....0 C....-x........-x.......x E....0.0909-x.0.0909-x..x The problems tells you that x = 0.0384. Use that to determine (CO) and (H2O) ast ...
Wednesday, November 27, 2013 at 5:04pm
See your SO2 problem.
Wednesday, November 27, 2013 at 5:02pm
Same as SO2 problem.
Wednesday, November 27, 2013 at 5:00pm
Substitute the equilibrium value into Kc and solve for the one unknown.
Wednesday, November 27, 2013 at 4:59pm
analytical chemistry, eh? whatcha sniffing?
Wednesday, November 27, 2013 at 7:47am
I think you lack data, and thus, this question cannot be answered.
Wednesday, November 27, 2013 at 7:28am
Molar mass of SO2 = 64 g/mol Divide the given mass by molar mass to get the moles: n = 0.7 / 64 n = ? Now solve for n.
Wednesday, November 27, 2013 at 7:27am
I got an answer of 0.226, now I need to know what the spontaneous direction of change is. It went from 0.278 to 0.226.
Tuesday, November 26, 2013 at 7:55pm
2.4x10^24 copper atoms
Thursday, September 20, 2012 at 10:58am