What is the absorbance of the resulting solution at 580 nm

Assignment Help Mechanical Engineering
Reference no: EM131083753

A 2.50-mL aliquot of a solution that contains 7.9 ppm iron(III) is treated with an appropriate excess of KSCN to form the Fe(SCN)2+ complex and diluted to 50.0 mL. What is the absorbance of the resulting solution at 580 nm in a 2.50-cm cell') See Problem 13-8 for absorptivity data.

Reference no: EM131083753

Questions Cloud

Calculate a linear estimate of the telemetry voltage : A receiver in the ship's control room receives R = V +X, The random variable X is a Gaussian (0, √3) noise voltage that is independent of V. The receiver uses R to calculate a linear estimate of the telemetry voltage:
What are goals you have to achieve in order to meet : As a teacher, what are three to five goals you have to achieve in order to meet the needs of students with visual impairments? What are three to five goals you have to achieve in order to meet the needs of students with hearing impairments?
Analysing investment opportunities : Your company has traditionally used the net present value criterion for analysing investment opportunities. It has recently been proposed that it should switch to a shareholder value approach. Discuss the advantages of doing so.
Describe how the watergate events changed american views : Describe how the Watergate events changed American views toward politics and politicians. In your view, how did these events change the press coverage of politicians?
What is the absorbance of the resulting solution at 580 nm : What is the absorbance of the resulting solution at 580 nm in a 2.50-cm cell') See Problem 13-8 for absorptivity data.
Investment criteria payback : (i) Explain why the three investment criteria payback, internal rate of return (IRR) and net present value (NPV) might have given different rankings for the two projects. (ii) Explain which of the two projects is the optimal investment project for ..
Calculate the present worth of the contract : Chevron Corporation currently contracts their dewatering unit operation in their South Korea natural gas plant to Asian Pacific oil. Contract renewal for 10 years will cost $8500 annually for the next 5 years, and SI 10,000 in years 6, 7, 8, and 9 wh..
Derive theoretical absorbance values : Derive theoretical absorbance values (1.00-cm cells) for each solution and plot the data for (a) 345 nm, (b) 370 nm. and (c) 400 nm.
Formal system of investment appraisal : T plc has never had a formal system of investment appraisal. The directors have decided that, in future, managers must submit a formal proposal in respect of all investment projects and each project must have a payback period of five years or less..

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Ratio of turbulent to laminar heat transfer coefficients

Water at a local bulk temperature of 24°C flows at 0.8 m/s through a smooth, 1.5-cm-ID tube that is kept at 30°C and the flow is fully developed. The system is extremely clean and quiet, and the flow stays laminar until a noisy air compressor is turn..

  What is the fundamental theoretical difference affecting

briefly answer the followinga system consisting of 1 kg of saturated water vapor at 100kpa and 101.3c is cooled unitl

  Determine heat transfer between reactor

Determine the heat transfer between the reactor and its surroundings, in kJ per kmol of propane entering. Neglect kinetic and potential energy effects.

  Determine the centroidal moment of inertia

Determine the centroidal moment of inertia for the following. The center circle is cut out. you have a rectangle standing up ward the height is 7 in and the width is 4 in there is a cut out hole in the center with 2 in for diameter.

  Principle of component independence

The principle of component independence means that it ought to be possible to replace one component with another that is implemented in a completely different way. Using an example, explain how such component replacement could have undesired conse..

  Measurements of the load required to propagate a crack

SEM212 - Aim of this demonstration is to use measurements of the load required to propagate a crack (tear) in packaging tape to determine its fracture toughness.

  Calculate the magnitude of the moment m

What percent of the moment M is produced by the elastic core?

  Species is limiting reactant using appropriate calculation

100 grams moles of the feed with composition of 40% methane, 50% chlorine, and 10% nitrogen, are fed to the reactor every hour, the conversion of the limitining reactant is 67%. Determine which species is the limiting reactant using appropriate calcu..

  Find the time required for the machine to decelerate to 100

a dragster weighing 1600 lbf attains a speed of 270 mph in the quarter mile. immediately after passing through the

  The loading produes a gross nominal tension stress of 45

a very wide sheet of 7075-t651 aluminum plate 8mm thick is found to have a single-edge through-the-thickness crack 25

  Find the principal stresses and orientations

At a point in a material under stress, the intensity of resultant stress on a certain plane (AB) is 60 N/mm2 (tensile) inclined at 30° to the normal to that plane. The stress on an another plane (CA) at right angles to this has a normal tensile co..

  A major automotive company is considering an agreement with

a major automotive company is considering an agreement with a small manufacturer whereby it would be required to make

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