The energy electronic transition in the dye polymethine ion

Assignment Help Chemistry
Reference no: EM13524937

Predict the wavelength (in nm) of the lowest energy electronic transition in the dye polymethine ion. Assume all C-C and C-N bond lengths are the same and are 1.4 A (0.14 nm) and that N+1 contributes 1 π-electron and N contributes 2 π-electrons.
(CH3)2N+ = CH - CH = CH - CH = CH - N(CH3)2

Reference no: EM13524937

Questions Cloud

What is the total amount of dividends : On October 15, 2014, the company declares a total dividend payment of $40,000. What is the total amount of dividends that will be paid to the common shareholders?
What are the individual values of each capacitor : When two capacitors are connected in series the equivalent capacitor is 120uF. What are the individual values of each capacitor
Explain the artificial sweetener aspartame is a dipeptide : The artificial sweetener aspartame is a dipeptide made from two amino acids, aspartic acid and phenylalaline. Write two possible structures for this peptide.
Esztimate the distance between the two girls : Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 12.0 m/s at an angle 46.0 degrees; What is the distance between the two girls
The energy electronic transition in the dye polymethine ion : Predict the wavelength (in nm) of the lowest energy electronic transition in the dye polymethine ion. Assume all C-C and C-N bond lengths are the same and are 1.4 A (0.14 nm) and that N+1 contributes 1 π-electron and N contributes 2 π-electrons.
Someone has a reason to believe the conclusion of argument : To provide a justification is to provide good reasons for believing something to be true. The following is an argument meant to justify that, in fact, the Earth is not flat. "If the Earth were flat, then it would have edges that you could fall off..
Estimated cost for a month : Using the high-low method, find variable cost per unit, total fixed costs, and the total cost equation and what is the estimated cost for a month in which 22,000 issues are published?
Find the magnitude of the electric field within the plates : A parallel plate capacitor has a potential difference of 1.6V, a plate separation of 2.5mm, What is the magnitude of the electric field within the plates
Explain for the formation of a photchromic imine : For the formation of a photchromic imine you use ammonium bromide. Give 2 reasons why you cannot use concentrated HBr.

Reviews

Write a Review

Chemistry Questions & Answers

  State the gases in increasing order of their particles

Four samples of gas - O2, CO2, Ar, and He - are available at the same temperature. Rank the gases in increasing order of their particles' average velocity, beginning with the slowest.

  State what concentration of substrate will give a velocity

what concentration of substrate will give a velocity (v) of 62% of maximal velocity (Vmax)?

  Explain what was the molarity of the excess reactant

What mass in grams of CO2 was evolved? The balanced equation I set up is: Na2CO3 + 2HClO4 --> NaClO4 + CO2 + H2O Now what? What was the molarity of the excess reactant (HCl or Na2CO3)?

  Find out the minimum concentration of koh required

Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case.

  State glass is a notorious source of metal ion contamination

Glass is a notorious source of metal ion contamination. Three glassbottles were crushed and sieved to collect 1-mm pieces. To see howmuch Al3+ could be extracted, 200mL of a 0.05 Msolution of the metal-binding compound EDTA was stirred with 0.50 g..

  What is the ?ssys for the process

Suppose that 160 g of ethanol at 30?C is mixed with 230 g of ethanol at 76?C at constant atmospheric pressure in a thermally insulated vessel.

  What is the concentration of each ion

a 250ml solution of NaOH has 20g of solute. what is the concentration in moles per litre? what is the concentration of each ion?

  What is ?h for the formation of one mole of al2o3(s)

2 Al2O3(s) → 4 Al(s) + 3 O2(g) . ?H = +3339.6 kJ/mol What is ?H for the formation of one mole of Al2O3(s) from the elements?

  Which of the following pairs has about same atomic radius

Which of the following pairs has about the same atomic radius?

  Explain catalysts for preparing polyethylene

Titanium (III) chloride, a substance used in catalysts for preparing polyethylene, is made by high-temperature reaction of vapor with 2TiCl4+H2=2TiCl3+2HCl: How many grams of are needed for complete reaction with 150 of at 450 and 785 pressure

  Explain many moles of the compound were oxidized

If the enthalpy of combustion of the compound is -2978.0 kJ/mol and the temperature of the calorimeter rises from 25.44 C to 27.7 C, how many moles of the compound were oxidized?

  Calculate the gibbs energy of the reaction

Calculate the Gibbs energy of the reaction (delta G rxn) at 25'C for the above rxn when all three gases are at 0.0010 atm. Kp = 1.8 x 10 ^ - 18

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