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Experiments have shown that for 1,2-dichloroethane, ClCH2CH2Cl, in carbon tetrachloride solution at 25 degrees, 70% of the molecules are in the "anti" and 30% are in the "gauche" conformation.
Draw a Newman projection of the "anti" conformation of 1,2-dichloroethane.
The CaC2O4.H2O precipitate is not completly air-dried when its mass is deteremined. Will the reported mass of the limiting reactant in the original salt mixture be reported too high or too low? Explain.
Benzene's vapor pressure is normally 0.930 atm. A soln of 20.0g unknown molecular solute and 78.11 g benzene has a vapor pressure of 0.900 atm. What's the unknown molar mass. Benzene molar mass= 78.11 g/mole
A solution of lactic acid, HC3H5O3, on a laboratory shelf was of undetermined concentraton. If the pH of the solution was found to be 2.51, what was the concentration of the lactid acid?
The visual raw meat color was red(outside) and brown(inside) and when mixed with NaNO2 and NaNO3 the color changed to slight maroon and medium brown and pink.
Calculate the hydronium-ion concentration and the pH of a 0.0059 M solution of chloroacetic acid. Ka is 1.3 10-3.
If the bonding in Nb metal is described used band theory, what fraction of the band would be filled with electrons? Assume that all valence bands (5s, 4d, and 5p) overlap
If the concentration of carbonic acid ion blood plasma is 0.00329 M and the pH of blood is 7.4, calculate the concentration of bicarbonate ion in blood plasma.
A thermos container has 0.075 kilograms of distilled water at a temperature of 27 degrees Celcius. A 0.0076 kilogram sample of solid ammonium nitrate is dissolved in the water in the Thermos container and the temperature is measured to be 22.4 deg..
You have 277 mL of 1.25M potassium chloride solution, but you need to make a 0.50M potassium chloride solution. how many mL of water must you add to the original 1.25M solution to make the 0.50M potassium chloride solutuion
25 lbs of propane are held in a sealed container at 350 psia. The volume of the container is 3 ft3. Calculate the weight and volumes of the two phases in the container.
Make a flow chart on how a mixture of phenol, benzoic acid, p-nitroaniline and anthracene can be seperated by extraction
During an experiment to find molar volume of oxygen, assume that you heated your sample too rapidly, and some of the sample spattered onto the rubber stopper in the test tube
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