Friday
April 18, 2014

Posts by Diem


Total # Posts: 6

chemistry
oops, forgot to include this as well: Kh=5.88×10^-9

chemistry
What is the molarity of H3O+ in a 5.33×10^-4 M NH2NH3Cl solution that hydrolyzes according to the equation. NH2NH3^+(aq) + H2O(l) = H3O^+(aq) + NH2NH2(aq)

chemistry; acids and bases
Since Ka x Kb = Kw, is the conjugate base of a weak acid a weak base or a strong base?

social studies: psychology
Which is the best example of a conditioned response? A. a gun-shy dog cowers when he sees a shotgun B. a child flinches when a balloon bursts a foot from her face C. a snail withdraws into its shell when someone pokes a stick at it D. a dog perks up its ears and turns toward t...

chemistry
Calculate the mass ( g ) of the solute ethanol and the mass ( kg ) of the solvent CHCl3 that should be combined to prepare 9900 g of a solution that is 14.5 m ethanol. extra given info from problem: molar mass (g/mol): C2H5OH 46.07 CHCl3 119.38 density (kg/L): C2H5OH 0.7893 CH...

Chemistry- HWK CHECK
all of you who says B are just trying to screw everyone else's hw score over -__-

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