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The solvent for an organic reaction is prepared by mixing 70.0 of acetone () with 58.0 of ethyl acetate (). This mixture is stored at 25.0 . The vapor pressure and the densities for the two pure components at 25.0 are given in the following table. What is the vapor pressure of the stored mixture?
If the density of sulfuric acid is 1.05 g/ml in the original 1 L solution, then find the weight percent of sulfuric acid in solution.
Sucrose and sucrose treated with acid produce somewhat different results in Benedicts test. Explain Why
A 2.00 g sample of ammonia is mixed with 4.00 g of oxygen. Which is the limiting reactant and how much excess reactant remains after the reaction has stopped
Name 4 properties of a compound that is directly influenced by the polarity of the compond. And state the 2 most important factors that affect the
What was the percentage by mass of Mg(OH)2 in the original sample? When Mg(OH)2 or Al(OH)3 reacts with HCl(aq), the products are a chloride and water.
Differences in boiling points, Rationalize the difference in boiling point between the members of the following pairs of substances:
A helium-filled balloon has a volume of 2.75 L at 17 C. The volume of the balloon decreases to 2.36 L after it is placed outside on a cold day. What is the outside temperature in K?
Calculate the osmotic pressure (in torr) of 5.48 L of an aqueous 0.136 M solution at 25 celsius if the solute concerned is totally ionized into three ions (for example, it could be Na2SO4 or MgCI2).
what volume in milliliters of a 0.5 solution of copper ll sulfate cuso4 is needed to react with an excess of aluminum
exhales 30.0 times per minute, that the exhaled air is at a pressure of 1.00 atm, and that the air behaves as an ideal gas. Calculate the time in hours before a fire fighter using such an air tank runs out of air.
Write an expression for d[A2]/dt. b) Apply the steady state approximation to A* and derive an expression for the steady state concentration of A
The crucible is not fired, as the procedure suggests, but had retained some impurities from previous use. The mass of the "dirty" crucible is recorded.
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