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A student measures k for a certain blue dye to be 24.16 M^-1 at 560 nm. What is the molarity of the dye in a solution with an absorbance of 0.118 at 560 nm?
Which way did the system shift to achieve equilibrium. What is Kc for this reaction, and what are the equilibrium concentrations of all relevant components
a buffer solution is made by dissolving 0.45 moles of a weak acid ha and 0.33 moles of koh into 800 ml of solution.
Why does kininogen bind to glycosaminoglycans easily and why is the binding of kininogen less sensitive to physiological pH changes - How is the binding of HPRG to heparin dependent on pH? Give structural reasons for the binding dependence.
What are the volumes of gases produced in the reaction of dehydration of 500 microliters of 2-butanol and 250 microliters of conc. sulfuric acid if the molar ration of gases (1-butene:trans-2-butene:cis-2-butene) is 1:3:2
Write out the reaction mechanism for conversion of acetylferrocene to diacetylferrocene using acetic anhydride and 85% phosphoric acid.
In the hydrogen atom, for which transition is the emission line observed at shorter wavelength, n=4 to n=2 or n=5 to n=1? Show the equation needed to figure this out. Consider the relative size of delta E to determine the relative wavelength.
Describe the chemistry involved in the current indstrial preparation of adipic acid, specifically listing the major by-product
If every tablet in the problem abouveweights 650 mg. How many kilograms of excipient (lactose/talcum powder/filler) are needed to complete the whole batch?
A tank containing liquid butane and one containing liquid propane are sitting adjacent to one another. Each tank is equipped with a regulator with a pressure gauge
Draw the electron dot formula for each of the following molecules or ions: a) H2O; b) CCl4; c) H3O^+; d) SiF4; e) CF2Cl2; f) C2H6 HH
convert back to molarity. And since it is a strong acid, you would just take the -log(KOH or OH-) then subtract this number from 14. From this I get 11.85, however the answer is 10.98. Can somebody tell me where I'm going wrong in detail?
hydrazoic acid (HN3, Ka = 1.900x10-5) with 0.08699 M KOH, what is the pH after 92.88 mLs of titrant have been added
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