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Beer's law states A=ebc, which directly relates the concentration(c) of a sample, its molar absorptivity (e) and the absorbance(A) of a sample. Instead of bothering with a standard curve why not make two measurements: first, measure the A of a sample of known concentration in order to compute e. second, measure the absorbance of the solution with un-known concentration and use the e from the first calculation to calculate the concentration.
Would this be a better method than doing the standard curve with different measurements. why or why not?
An office supply store is having a 25% off sale at the local book store. He has 120 cups of coffee durning the day. In the morning he sold 60% of his inventory. In the afternoon he sold approximately 60% of what was left in the morning. How man..
Find the solution of the differential equation that satis?es the given initial condition
computing the height of the building.nbspsolve the following application problem.a.a man at ground level measures the
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A building is 157 feet tall. For a class project, Jim is to make a scale model of the building to place in the front hall display case. The display case is 20 inches tall. Which scale will allow him to make the tallest model that will fit in the d..
Recent data shows the number of personal computers (PCs) per 1,000 people in the United States is 932. Express the fraction of U.S. people that have PCs.
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task 1 lewis carroll the author of alice in wonderland liked to ask his friends to solve this puzzletake a square of 13
This assignment requires that you present a holistic view of both a business leader, their management and negotiation practices.
Estimate how much the gross domestic product increased from 2014 to 2015.
Assuming that both roads on the detour are straight, how many extra miles are you traveling to reach your destination?
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