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For the competitive reaction between an equimolar propanal/acetone mixture and cyanide, show that PA/PK = kA/kk
Aluminum nitrate and ammonium chloride react to form aluminum chloride, nitrogen, and water. what mass of aluminum chloride is present after 74.7 g of aluminum nitrate and 56.8 g ammonium chloride have reacted completely.
A sample of gas with a volume of 750 mL exerts a pressure of 98 kPa at 30 c. what pressure will the sample exert when it is compressed to 250 mL and cooled to -25 degree celsius.
Calculate the fraction of atom sites that are vacant for silver at 695°C. Assume an energy for vacancy formation
what is the molarity of acetic acid in vinegar when 19.9 mL of NaOH neutralized vinegar and the molarity of NaOH is 0.2175?
Which of the following will not have ionic bonds?
What force keeps the gases of the earth's atmosphere from diffusing into interplanetary space, where the pressure is essentially zero?
A sample of gas in a balloon has an initial temperature of 22 and a volume of 1610 . If the temperature changes to 58, and there is no change of pressure or amount of gas, what is the new volume, , of the gas?
The peak absorbance of the first chromatographic peak at 300nm was 0.020 and at 350nm 0.030. What is the main component of the first eluting peak and what percentage of the total absorbance at 300nm is due to this component?(assuming the light pat..
chromium oxide is made by reacting Na2Cr2O7 with ammonium chloride to make chromium III oxide, sodium chloride, nitrogen and water.
calcium malonate, the salt of malonic acid, is found in beetroot and is known as an inhibtor of the citric acid cyle. if a sample of beetroot disolved in water has a pH of 8.20,
A student added 0.40 mL of acetic anhydride instead of 4.0 mL. Did this procedural error affect the theoretical yield of her preparation? Briefly explain.
Calculate the heat energy released when 14.1 g of liquid mercury at 25.00 C is converted to solid mercury at its melting point. Constants for mercury at 1 atm
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