Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
At 580 nm the wavelength of its maximum absorption, the complex FeSCN2+ has a molar absorptivity of 7X10^3 L cm-1 mol-1 calculate
a. the absorbance of a 3.75X10-5 M solution of the complex 580 nm in a 1-cm cell
b. the absorbance of a solution in which the concentration of the complex is twice in that of a
c. the transmittance of the solutions described in a and b
d. the absorbance of a solution that has half the transmittance of that described in a
What is the maximum number of liters of Fe2O3(s) that can be made from 11.53 L of O2(g) and 16.07 L of FeS(s) at STP?
What is the freezing point of a solution prepared by dissolving 11.3 g of Ca(NO3)2 in 115 g of water?
A student in a hurry decides to let the solvent travel only half way up the chromatographic paper in chromatogram 2. predict the effect of this procedural change on the resultion
You start with 100.0 mL of a 0.2500 M solution of NaCl sitting in a beaker. After several days you test the solution and find that it is now 0.3125 M. How much water must have evaporated?
If 5.00 ml of a solution containing .0400 M iron is placed in a 100.0 ml volumetric flask and filled to the mark with deionized water, what will be the concentration of iron in this new solution?
Cyclohexane can be used as a solvent for freezing point depression measurements. When 1.07 g of naphthalene (MW = 128.17 g/mol) is mixed with 51.29 g of cyclohexane, the freezing point of the resulting solution is 3.29 °C.
If 2.09 g SO2 react with excess oxygen and water, how many grams of H2SO4 are produced?
A 300.0-mL saturated solution of gold (II) phosphate, contains 0.31 grams of dissolved salt. a. Write an equilibrium expression for the solubility product constant.
Write equilibrium reaction for HNO 2 and compute equilibrium concentrations of all species, compute pH , OH - , and the pOH
Describe how biological membranes are organized: what roles do lipids and proteins play in this organization
What is the pressure in kilopascals in s 38.0L balloon st 22 C filled with hydrogen produced by the reaction of 854.25 g of potassium with water
Explain why it is appropiate to group a polyatomic ion in parenthses in a chemical formula, if more than one of that ion is present in the formula.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd