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Problem- If the calibration curve is y=41950x + 0.0212, r^2 = 0.9992 and you measure the absorbance of FeSCN^2+ to be 1.00,
1) What is the equilibrium constant for Fe3+, using an I.C.E table if the initial [Fe3+] = 5*10^-4 M?
I need proficient help in the following problems.
you are given 2.56 g of salicylic acid. using the procedure in the lab manual for the synthesis of aspirin you recover
the oxidizing power of household bleach solutions can be lost when they are exposed to heat or sunlight or due to
The volume of a substance increases with increasing temperature and decreases with increasing pressure. These properties, respectively are tabulated quantitatively as the cubic expansion coefficient, α = (1/Vm) (δVm/δT)P, and the isothermal compre..
a student placed a mixture of bao and cao in a 1.46 l flask containing carbon dioxide gas at 35.0 degrees celsius and
Molecular orbital (MO) theory predicts the O2 +2(a +2 CHARGE) ion has a bound order of
Problem- Explain why shielding is more effective by electrons in a shell or lower principal quantum number than by electrons having the same principal quantum numbers.
At a certain temperature the solubility of strontium arsenate, Sr3(AsO4)2, is 0.0640 g/L. Explain what is the Ksp of this salt at this temperature
Draw out the mechanism for the synthesis of aspirin but do not use the acid catalyst. is a green chemistry synthesis using a metal catalyst and how the mechanism would go. The reactants are salicylic acid and acetic anhydride.
A 91 gram solution of silver nitrate contains 8 grams of AgNO3. What is the percent by mass of silver nitrate in this solution.
An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295k and volume of hydrogen gas collected was 35.6 mL. The calculated value of R was 82.1 mL atm K^-1 mol..
Given the reaction by the equation Mg + 2HCL yeilds H2 + MgCl2, determine to two decimal places the molar masses of all substances involved.
Treatment of the solution with ClO- in alkaline solution yields a yellow solution and a colored precipitate. Ions Present- Ions absent
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