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Problem- A solution containing which one of the following pairs of substances will be a buffer solution? A solution containing which one of the following pairs of substances will be a buffer solution? AgBr, HBr CuCl, HCl CsI, HI KI, HI none of the above
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Calculate the degrees of unsaturation in a compound with the molecular formula C3H6 and draw two possible structures
Draw structural formula for allyl alcohol. Use stereo bonds ONLY if in your example you are asked to draw a particular stereochemistry.
Give the general Henderson-Hasselbalch equation and sketch the plot it describes (pH against amount of NaOH added to a weak acid). On your curve label the pKa for the weak acid, and indicate the region in which the buffering capacity of the system..
Write a balanced half-reaction for the oxidation of chromium ion (Cr^3+) to dichromate ion (Cr2O7^2) in acidic aqueous solution. Be sure to add physical state symbols where appropriate
What is the pH of a solution made by titrating 30.0 mL of 0.10M acetic acid with 30.0 mL of 0.10 M KOH? Assume that the volumes of the solutions are additive.
Conformational studies on ethane-1,2-diol (HOCH2-CH2OH) have shown the most stable conformation about the central C-C bond to be the gauche conformation, which is 9.6 kJ/mol (2.3 kcal/mol) more stable than the anti conformation
Four materials (A, B, C, D) have approximately equal melting points. All possible combinations of two of the four solids were prepared by combining equal amounts of each solid.
a sample of argon gas has a volume of 765 ml at a pressure of 1.40 atm and a temperature of 144 degree c what is the
the decomposition of aqueous hydrogen peroxide to gaseous o2 and water is the first order reaction. if it takes 8.0 h
The space shuttle orbiter utilizes the oxidation of methyl hydrazine by dinitrogen tetroxide for propulsion.4 N2H3CH3(l) + 5 N2O4(l) 12 H2O(g) + 9 N2(g) + 4 CO2(g)
Beryllium was first isolated as a relatively pure metal when investigators heated solid beryllium chloride with solid potassium.
Draw the six conformers in newman projection for the 60 degree intervals from 0 to 360 degrees for carbon atoms 3 and 4. Clearly show which carbon is represented by the "dot" and the "circle" Show which C
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