What thickness of benzene would give an absorbance

Assignment Help Chemistry
Reference no: EM13169048

The molar extinction coefficient of benzene equals 100 M-1cm-1 at 260 nm. Assume this number is independent of solvent. (a) What concentration would give an absorbance of 1.0 in a 1 cm cell at 260 nm? (b) What concentration would allow only 1% of 260 nm light to be transmitted through a 1 cm cell? (c) If the density of liquid benzene is 0.8 g/cm3, what thickness of benzene would give an absorbance of 1.0 at 260 nm? A) Absorbance is A = c so c = A/.

Reference no: EM13169048

Questions Cloud

Non-charged nitrogen bases are used in various reactions : Strong, non-charged bases are useful in base-catalyzed reactions. Many non-charged nitrogen bases are commonly used in various reactions. Perhaps the strongest non-charged base is shown below
How many grams of silver phosphate precipitate : 306 mL of a .208 M solution of silver nitrate will react with 146mL of a .170 M solution of sodium phosphate to produce how many grams of silver phosphate precipitate?
What is the partial pressure of no : If Qp = 1.2 1020 and PO2 = 0.318 and PN2 0.812, what is the partial pressure of NO?
State the acid volume needed to reach the equivalence point : Consider the titration of 51.5 mL of 1.2M NaOH with 1.0 M HCl. Find the PH at the following points. The acid volume needed to reach the equivalence point
What thickness of benzene would give an absorbance : The molar extinction coefficient of benzene equals 100 M-1cm-1 at 260 nm. Assume this number is independent of solvent. (a) What concentration would give an absorbance of 1.0 in a 1 cm cell at 260 nm?
Explain using curved arrows to show the flow of electrons : Using curved arrows to show the flow of electrons and being careful to balance mass and charge for each step, provide a mechanism for the reaction below that show how both products are formed
In what principal quantum level did the electron begin : An excited hydrogen atom emits light with a frequency of 1.141 multiplied by 1014 Hz to reach the energy level for which n = 4. In what principal quantum level did the electron begin?
How much water must be mixed with concentrated hydrochloric : what is a given and how much water must be mixed with concentrated hydrochloric acid to prepare 50 cubic cm of 6 molar hydrochloric acid solution?
How many molecules of water does the can contain : A can of mineral water contains 345 mL of water. How many molecules of water does the can contain? (water = 1.00 g/mL)

Reviews

Write a Review

Chemistry Questions & Answers

  Explain bromine addition to trans-cinnamic acid

Bromine addition to trans-cinnamic acid, During bromine addition to trans-cinnamic acid, why is it necessary to maintain excess bromine in the reaction mixture

  Dalton law of partial pressure

Dalton law of partial pressure - The partial pressure of oxygen is maintained at 0.20 atm at this depth

  What is the molar mass of the gas

A sample of gas with a mass of 1.80 g occupies a volume of 921 mL at a pressure of 733 torr and a temperature of 24 C. What is the molar mass of the gas?

  Calculate the specific heat

Calculate the specific heat was?  Would your computed specific heat be , too low,  too high or not affected if you had not dried the metal before placing it into the Styrofoam cup. Explain your answer?

  Explain what is the substituting group

In the reaction 2-phenylacetic acid + ethanol in a H2SO4 solution yields Ethyl-2-phenylacetate, (a) which group in the acyl compound is being substituted and (b) what is the substituting group?

  How many kilograms of sodium fluoride would be needed

How many kilograms of sodium fluoride would be needed to treat an 8.25x10^7 gal reservior?

  What is the change in the boiling point of a solution

What is the change in the boiling point of a solution made by dissolving 14.7 g of C6H12O6 into 150ml of water? The density of water is 1.00 g/ml and Kb=0.512 C/m .

  Calculate work done (in kj)

Calculate w (in kJ) when 265 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 358 K

  What is the volume of 455 ml of oxygen gas

What is the volume of 455 mL of oxygen gas at 67.0°C and 300. mm Hg if the conditions are adjusted to 890. mm Hg and 107°C? Assume the amount of gas is held constant.

  Determine the half-life for the reaction

Determine the half-life for the reaction in Part B using the integrated rate law, given that the initial concentration is 1.75molxL^-1 and the rate constant is 0.0020 molxL^-1x s^-1 .

  What is the molarity of the sodium hydroxide solution

A 3.77g sample of oxalic acid (H2C2O4x2H2O) was dissolved in enough water to make 1000 mL of solution. Then 17.15mL of this oxalic acid solution was titrated to the end point with 22.05mL of an unknown sodium hydroxide soloution.

  Define eigenfunctions of a linear operator

Suppose that O1 and O2 are eigenfunctions of a linear operator A with eigenvalues a1 and a2, respectively, and that we construct a linear combination Y=C1O1 + C2O2

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