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1. Explain the method you would use to separate a mixture of water (boiling point=100) can be separated from ethanol(boiling point= 60c)
2. Utilizing diagrams describe how you would separate a mixture containing sand, water and iron nails
3. Depict an orbital diagram of the oxidation of Aluminum. Begin atomic symbol of Al. Symbol of the element. Does Aluminum loose or gain electrons?
How could you bring about the subsequent conversions. You must give the needed reagents and conditions and write and equation.
A buffer is to be made with a pH of 8.50 by adding hydrobromic acid to one of the following bases. Which base is the best choice for making this buffer
Explain the chemical reactions that have possibly taken place in his body after the exercise. Discuss possible treatments for the freshman and how the treatment works chemically.
A typical deposit of cholesterol, C27H46O, in an artery has a mass of 3.90 mg. How many molecules of cholesterol are present in this deposit?
calculate the amount of 0.020 m kmno4 solution required to completely oxidize 37.99 ml of .100 m feso4 in an acidic
an alka-seltzer tablet contains 1.916 grams of sodium bicarbonate. using the formula h3c6h5o7 3nahco3-gt nac6h5o7 3h2o
Compound A is C4H9Cl and shows two 13C NMR resonances. Compound B is an isomer of compound A; it shows four 13C NMR resonances, and in the spin-coupled mode the resonance farthest downfield is a doublet. Identify compound A
A sample containing 3.00 mol of an ideal gas at 25C is expanded isothermally and reversibly from an initial volume if 6.0L to a final volume of 24.0L. Calculate deltaG and deltaA for this process.
a solution prepared by dissolving 45.0 g ofniso4nbspin water. what current would be needed to deposit all of the nickel
Antacid #1 has 1700 mg of sodium bicarbonate, antacid #2 has 500 mg of calcium carbonate. Which tablet is capable of reducing the most acid and why
At 100 degrees C, the vapor pressure of water, methanol, and ethanol are 760, 2625, and 1694 torr, respectively. Which counpound has the highest normal boiling point.
Compute the heat amount required to heat a 3.9kg gold bar from 28 degree Celsius to 68 degree Celsius. Given Specific heat capacity of gold = 0.128 J/g°C.
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