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You have a solution of unknown concentration. You place this solution in your spectrometer and measure that it has an absorbance of 0.4 at 450 nm. The molar absorptivity of your product is 1500 L/moles·cm. Assuming that you are measuring the sample in a 1 cm path length cell what is the concentration of product in your solution? Report your answer in mM units.
A solution of pH=3.50, 25 mL of buffer 0.1 M CH3COOH/CH3COONa, we added of 1.00 mL of 0.1 M HCl pKa = 4.76 calculate the final pH?
Draw the structure of the product you would have isolated if you had used NaBD4 in D2O in this experiment and write a mechanism explaining the result. Give the product structure for the same reaction using NaBD4 in H2O.
Problem- Lauryl alcohol is prepared from coconut oil it is used to make a sodium laurel sulfate, a synthetic detergent. What is the molarity of laurel alcohol in a solution of 17.1g laurel alcohol dissolved in 185g ethanol
Does a chemical change occur when you cook an egg? Why or why not? When you fry an egg, it becomes a solid, the heat makes it smoke, and the color changes from clear and yellow to all yellow.
It was determined in an experiment that a balloon filled with O2 gas with mass 32.0g in a 1.0 dm^3 volume exerts 21.6 atm of pressure at 0 degrees Celsius. Does Oxygen act like a perfect gas
What is the maximum amount of phosphoric acid that can be formed? grams
from the ratio of the mass of the black product to the initial 5g placed in the flask could the remaining black
How many KCal of heat are liberated when 48.0 grams of iron are burned to form Fe2O3 at standard state conditions?
The root-mean-square (rms) speed of a sample of molecules was found to be 1.8*10^3 m/s at 25.0 degrees C. After heating, the rms speed was found to be 4.6*10^3 m/s. What was the temperature of the sample after heating
The reaction of Albumin with concentrated nitric acid is known as the Heller Ring Test. Explain how this test may be applied clinically to test for possible.
Calculate the pH of a solution that is 0.04M in NH3, and 0.05M in NH4Cl. b) What is the resulting pH of solution made by adding 5.0mL
Based on activation energies and energy changes and assuming that all collision factors are the same, answer the following questions- Which of the following reactions would be fastest in the forward direction
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