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Iron(II) ions catalyze the oxidation of luminol by H2O2,. The intensity of the resulting chemiluminescence has been shown to increase linearly with iron(II) concentration from 10-10 to 10-8 M.Exactly 1.00 mL of water was added to a 2.00-mL aliquot of an unknown Fe(II) solution, followed by 2.00 mL of a dilute H2O2 solution and 1.00 mL of an alkaline solution of luminol. The chemiluminescence form the mixture was intergrated over a 10.0-s period and found to be 14.3.
To a second 2.00-mL aliquot of the sample was added 1.00 mL of a 3.58 × 10-5 M Fe (II) solution followed by the same volume of H2O2 and luminol. The integrated intensity was 33.3. Find the concentration of Fe (II) in the sample.
Demonstrate application of advanced kinetic and kinematic concepts to various mechanisms both from a practical and theoretical context Recognise, Develop and Solve numerical problems related to kinetic and kinematic based mechanisms.
a projectile is launched horizontally with an initial velocity of 25.8 ms and lands on a slope that inclined at 28
an aluminum alloy specimen of .562 diameter and 2gauge length was subjected to loads p resulting in gauge lengths l as
as part of a pollution study a model concentration c as a function of position x has been developedcx ae-x2a -
An adiabatic constant-volume combustion chamber is filled with a mixture of air and methane; lambda (AFR/AFRs) = 1.3. The initial temperature of the mixture is 25°C, and its pressure is 1 bar. After laminar combustion from a single ignition source (a..
What are the critical temperatures and pressures for Air, Ammonia, CO2 and Propane? Determine the specific volume of Air, Ammonia, CO2 and Propane at 1000C and 20 bar. Determine the specific volume of Air, Ammonia, CO2 and Propane at 1000C and 20 bar..
The design specification for a transmission shaft states that the angle of twist must be no more than 1° over a length 20 times the diameter. Using this specification determine the diameter of a solid steel shaft to transmit 150 kW at a speed of 3..
Write a simple Matlab script to obtain the sample mean values with n = 4 for a total of 2000 sample combinations. A sampling combination from the population can be obtained by using: rand sample (population, 4, true). For each combination, the sample..
consider an acrylic sheet of thickness l 5 mm that is used to coat a hot isothermal metal substrate at th 300 c. the
a chemical plant produces an ammonia-rich waste gas that cannot be released as-is into the environment. one method to
a particle travels along the circular path xsup2ysup2rsup2. if the y component of the particles velocity is vy2rcos2t
a closed rigid tank contains 2 kg of water initially a twophase liquid-vapor mixture at 80degc. heat transfer occurs
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