Explain the wavelength of maximum absorption

Assignment Help Chemistry
Reference no: EM13239621

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

Reference no: EM13239621

Questions Cloud

How the demand for a commodity is represented : Assume that demand for a commodity is represented by the equation P = 10 - 0.2 Q d, and supply by the equation P = 2 + 0.2 Qs where Qd and Q s are quantity demanded and quantity supplied, respectively, and P is the Price.
How industry price and output will approach the outcome : Assume the firms in an oligopoly produce a differentiated product and are initially colluding. If each firm begins to cheat (to increase sales) by underpricing the other firms, as the amount of cheating increases
Explain what is the absorbance of the resulting solution : a solution that contains 5.94 ppm iron(III) is treated with an appropriate excess of KSCN and is diluted to 50 ml. What is the absorbance of the resulting solution at 580 nm in a 2.5 cm cell
What is the present value and will it affect companys taxes : The market has changed since your company bought the machine; it now seems possible that it could be sold for as much as $20,000 5 years from now; what is the present value (i=4%) Will this affect the company's taxes
Explain the wavelength of maximum absorption : 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
What the previous manager could have done to keep his job : recently hired to replace the manager of the Roller Division at a major conveyor-manufacturing firm, despite the manager's strong external sales record. Roller manufacturing is relatively simple, requiring only labor and a machine that cuts and cr..
Calculate the resulting charge on capacitor c1 and c2 : Capacitors C1 = 6.03 ?F and C2 = 2.45 ?F are charged as a parallel combination across a 298 V battery, Calculate the resulting charge on capacitor C1 and C2
Explain the units for absorptivity where the path length : What are the units for absorptivity where the path length is given in centimeters and the concentration is expressed in. a. parts per million
Calculate the bond length of this molecule : The spacing between the lines in the pure rotational spectrum of 11B-2H (numbers are superscripts) is 3.9214E-11 s^-1, Calculate the bond length of this molecule

Reviews

Write a Review

Chemistry Questions & Answers

  What mass of co2 will be produced

Fe3O4 reacts with CO according to the reaction Fe3O4(s) + 4CO(g) --> 4CO2(g) + 3Fe(s). If 201 grams of Fe3O4 is reacted with excess CO, what mass of CO2 will be produced?

  What are the longest and shortest wavelength photons

The Balmer series of transitions for the hydrogen atom result in absorption of photons that all originate from the n = 2 level. What are the longest and shortest wavelength photons in the Balmer sequence?

  How much heat is released when hcl is mixed with naoh

The heat of neutralization of HCl by NaOH is H°rxn = -56.2 kJ/mol. How much heat is released when 125 mL of 1.750 M HCl is mixed with 195 mL of 0.667 M NaOH.

  Equilibrium mixture

Determine how many moles of CO 2 would have to be combined at constant temperature and volume to increase the amount of CO to 0.300 moles?

  Explain what is the empirical formula of the sample

shown to contain 12.518 g silver, 0.6970 g carbon, and 2.786 g oxygen. What is the empirical formula of the sample?

  Predict the relative solubility of silver chromate

The solubility of silver chromate, which has a Ksp equal to 9.0e-12 at 25 degrees celsius, is determined in water and in two different solutions. Predict the relative solubility of silver chromate in the three solutions

  Cinnamaldehyde and aniline benzaldehyde and m-nitroaniline

cinnamaldehyde and aniline 2) benzaldehyde and m-nitroaniline 3) benzaldehyde and aniline 4) cyclohexanone and aniline Help would be greatly appreciated and generously ranked

  How many liters of hcl stock solution are needed

How many liters of 13.5 molar HCl stock solution are needed to make 10.5 liters of a 1.8 molar HCl solution?

  Compute combustion eneergies

the calorimeter itself absorbs a negligible amount of heat, calculate combustion eneergies (change of energies) for benzene in both kj/g and kj/mol.

  How many millimoles of hno3 are needed to react completely

how many millimoles of HNO3 are needed to react completely with a .2800 gram piece of copper wire.

  What will be the total gas pressure

what will be the total gas pressure when the partial pressure of A(g) has fallen to 8.00x10^2 mmHg?

  Calculate the difference in pressure

15.0 moles of gas are in a 8.00 L tank at 21.0C. Calculate the difference in pressure between methane and an ideal gas under these conditions

Free Assignment Quote

Assured A++ Grade

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd