The linear relationship between absorbance and concentration

Assignment Help Chemistry
Reference no: EM13250319

In the concentration range of 500 to 2000 ppm of U, there is a linear relationship between absorbance at 351.5 nm and concentration. At lower concentrations the relationship is nonlinear unless about 2000 ppm of an alkali metal salt is introduced into the sample. Explain.

Reference no: EM13250319

Questions Cloud

Explain sodium acetate is titrated with hcl : A 25 ml sample of .30M sodium acetate is titrated with .3M HCl. What is the pH after addition of 12.5 ml of HCl. (Ka= 1.8e-5)
How internet has made this worse by citing specific examples : Determine whether file sharing is necessary to further advantage technology or if it should be stopped because it violates copyright law.
Determine the hydrostatic force on the wall due to the water : A wall at one end of a swimming pool has dimensions of 8 ft (width) by 15 ft(depth) on the surface in contact with the water.  Determine the hydrostatic force on the wall due to the water.  What is the additional force due to air that is transmitted ..
What is the rate of acceleration produced by photon momentum : The intensity of solar radiation is 1366.1 W/m2 in space. This light strikes a 10 m2 solar panel of a satellite. Assuming that all the light is absorbed, how much force (momentum per second) is transferred
The linear relationship between absorbance and concentration : In the concentration range of 500 to 2000 ppm of U, there is a linear relationship between absorbance at 351.5 nm and concentration. At lower concentrations the relationship is nonlinear unless about 2000 ppm of an alkali metal salt is introduced ..
Fat burn mode on exercise equipment at the gym : You might have seen the “fat burn” mode on exercise equipment at the gym. This mode is typically a workload at a low exercise intensity. Does exercise performed at a low intensity really burn more fat compared to exercise performed at moderate- to hi..
What is the role of quality role in the development : What is the role of quality role in the development of an E-Commerce capability?
How a diameter two times smaller affects the resistance : What is the resistance of an annealed copper wire that has a length of 500m and a diameter of 0.5 mm. How a diameter two times smaller affects the resistance.
Define length of mirror drive in a michelson interferometer : What length of mirror drive in a Michelson interferometer is required to produce a resolution sufficient to separate a) infrared peaks at 500.6 and 500.4 cm-1

Reviews

Write a Review

Chemistry Questions & Answers

  Determine what is the concentration of ammonia

Ttotal ammonia concentration = 0.400 M. determine What is the concentration of NH 4 + ?

  Briefly explain the process of recycling

Briefly describe the process of recycling. Do you recycle? If yes, what types of items do you recycle? If not, why not?

  Describe the hybrid orbitals used by the central atom

Describe the hybrid orbitals used by the central atom in O 3 .and also determines what is the number of sigma and pi bonds present in O 3 .

  How many kj of heat are required

How many kJ of heat are required to produce 13.7g NO2, by 2NO2+ O2 --> 2NO2. the heat of reaction is 113.04

  What are the structures of a-d

Ozonolysis of A followed by dimethyl sulfide reduction produces a single optically active compound C, C5H8O2. Reduction of C with ethereal LiAlH4 affords optically active compound D (C5H12O2) of the (S)-configuration. The 13C NMR spectrum of D is ..

  Define the vapor pressure of pure benzene at the temperature

A solution is 40.0% by volume benzene (C6H6) in carbon tetrachloride at 20C. The vapor pressure of pure benzene at this temperature is 74.61 mmHg and its density is 0.87865 g/cm3

  How much heat is evolved

How much heat is evolved when 239 g of ammonia gas condenses to a liquid at its boiling point?

  Compute the atomic mass of element z

Compute pH and [OH-] for each of the following solutions. (a) 8.1×10-2M Na2CO3, (b) 0.15M NaCN

  Define equations represents the proper net ionic equation

Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the weak acid HClO2 (aq) and the strong base KOH (aq)?

  What is the new water level in the cylinder

A graduated cylinder contains 152 mL of water. A 14.0 g piece of iron (density = 7.86 rm{g/cm^3}) and a 16.0 g piece of lead are added. What is the new water level in the cylinder?

  State what is the complete ionic equation for the reaction

What is the complete ionic equation for the reaction of K with H2O. Identify the reducing and oxidizing agents and the oxidation

  Calculate the ka value for sulfamic acid hso3nh2

describe an experiment that you could perform in lab that would provide the data so you could calculate the Ka value for sulfamic acid, HSO3NH2.

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