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Write a detailed sheet/ flow chart for the isolation and purification of 1-bromobutane. Designate how each minor-product is removed form the major product and which layer holds the product in each experimental step performed.
Which of the following correctly lists the following isomeric alkanes in order of increasing boiling point? n-hexane, 2,3-dimethylbutane, 2-methylpentane
A sample of nitrogen N2 has a volume of 300 mL at 34^C and a pressure of 745 mmHg. What is the Volume of Nitrogen at STP
The most common error students make during a titration is that they add extra NaOH past the endpoint causing the solution to change a dark pink color.
What volume would be occupied by 100 g of oxygen at a pressure of 1.50 atm and a temperature of 25ºC?
One liter of a buffer solution is prepared by dissolving 0.150 mol of NaNO2 and 0.070 mol of HCl in water. What is the pH of this solution? If the solution is diluted two fold with water, what is the pH?
What volume of this gas must be burned to raise the temperature of 5.3 L of water by 5.0°C? Assume the gas is at 1.0 atm and 298 K.
How much limestone must be decomposed by heating to produce 150.0 grams of lime, CaO?assuming that the limestone contains 85.0% pure CaCO3.
Two determinations of the dissolved oxygen content of a 200 mL sample of water, made five days apart, gave 5.3 ppm and 2.2 ppm of dissolved O2 respectively.
How many liters of water vapor can be formed by the reaction of 275.0 liters of oxygen gas and 250.0 grams of pentane? Which reactant is limiting? How many grams of the excess reactant are left over?
A weather balloon at Earth's surface has a volume of 4 L at 294 K and 746 mm Hg. If the balloon is released and the volume reaches 4.19 L at 715 mm Hg.
4. How many grams of NaNO3 would you add to 250g of H2O in order to prepare a solution that is .500 molal in NaNO3?
Barium imparts a characteristic green color to a flame. The wavelength of this light is 551nm. Determine the energy involved in kj/mol.
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