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A general statement concerning the solubility of organic compounds is: The smaller molecules dissolve best in a solvent with a low molecular weight.
What is the half life of this reaction if the initial concentration is 1.40 M. b) Given this same starting concentration, calculate the concentration after 3 minutes. c) How long would it take for the starting concentration to reduce to 0.50 M?
CCl2F2 can be recycled into a different compound by reaction with hydrogen to produce CH2F2, a compund useful in chemical manufacturing.
for the neutralization reaction involving HCl and Mg(OH)2, how many liters of 0.60 M HCl are needed to react with 45 g of a 2.5 M Mg(OH)2 solution? (density= 1.3 g/mL)
A 2.42-L flask is filled with propane gas (C3H8), at 1.00 atm and -13.0°C. What is the mass of the propane in the flask.
Calculate the density of air at the experimental conditons identified in part A C) Calculate the mass of air in the flask before the liquid was added.
Calculate the volume of 1.94×10-3-M H2SO4 solution needed to provide 4.83×10-3 g of H2SO4.
Using the moles of air, temperature of air and slope of the Air Volume vs. 1/pressure graph, calculate the ideal gas constant.
A student mixed 5.00 mL of a nickel(2) chloride solution with 5.00 mL of .100M sodium phosphate and a precipitate formed. How many moles of sodium phospahte were present in 5.00 mL of the solution?
What is the partial pressure of H2O in the compressed gas mixture? (See this table.) torr (b) What mass of water vapor condenses to liquid g
aqueous solution of sucrose, C12H22O11(aq), which is used frequently in biological experiments. What is the value of x?
A lungful of air (500 mL) contains 4.1% CO2 by volume. How many grams of KO2(s) is needed to remove the CO2 from a lungful of air at STP according to the following reaction?
determine the molarity of each of the ions present in the following aqueous salt solutions.
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