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Calculate the [Cr+3] in equilibrium with Cr(OH)4-(aq) when 0.010 mol of Cr(NO3)3 is dissolved in a liter of solution buffered at a pH of 7.3. Kf for Cr(OH)4-(aq) is 8.0 x 1029.
2.0 x 10-3M7.9 x 10-6M3.1 x 10-8M1.6 x 1023M2.0 x 10-7M
a scientist watns to make a solution of tribasic sodium phosphate na3po4 for a laboratory experiement. how many grams
A 4.50-g sample of LiCl at 25.0 C dissolves in 25.0 mL of water also at 25 C. The final equilibrium temperature of the resulting solution is 60.8 C.
Enter formulas for these ionic compounds. copper(I) bromide copper(II) bromide iron(III) bromide lead(IV) bromide copper(I) oxide copper(II) oxide iron(III) oxide lead(IV) oxide
Calculate the molarity of a solution made by dissolving 0.650 Na2SO4 grams of in enough water to form exactly 950 mL of solution.
The first three reactions of the b oxidation pathway are similar to three reactions in the Kreb's cycle. Which three and why are they similar
If 3.17 moles of ethane, C2H6 undergo combustion,according to the unbalanced equation C2H6+O2--> CO2+H2O, how many moles of oxygen are required?
What mass percent sucrose (C12H22O11)should be present in an aqueous sucrose solution to raise the boiling point to 100.00 degrees celsius at this pressure
Acrylonitrile is an important building block for synthetic fibers and plastics. Over 2 billion pounds of acrylonitrile are produced in the United States each year.
Choose the INCORRECT statement. a) When a half reaction is reversed, the sign of the potential is changed. b) reversing a half reaction makes it a reduction potential. c) each cell has a reduction half cell and an oxidation half cell.
what is the form of the integrated rate law which will produce a straight line if the reaction shown in the equation (dye(aq)+NaOCl(aq) ---> colorless products (aq)) is 0th order with respect to [dye]? 1st order with respect to [dye]? 2nd order wi..
Calculate delta H for this reaction at 298K. Calculate delta G for this reaction at 298K. Calculate delta S for the reaction, for the surroundings, and the total delta S.
at 25 degrees of nh3 molar mass 17 grams effuses at the rate of .50 mole per minute. under the same conditions which of
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