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If an aqueous solution of certain organic compound has a density of 1.063g/mL, an osmotic pressure of 12.16atm at 25o C, and a freezing point of -1.03 o C. The compound is known not to dissociate in water. Explain what is the molar mass of the compound?
State the balanced molecular, complete ionic and net ionic equations for each of the following acid-base reactions
Our book shows a radioactive decay series in which a sample that starts out as U-238 eventually winds up becoming non-radioactive Pb-206. The half life for this process is extremely long, being 4.51 x 10^9 years. Consider a radioactive mineral sam..
Pu-239 (nuclear mass of 239.0006 amu) decays by alpha emission to U-235 (nuclear mass of 234.9934). Calculate how much energy is given off by the decay of 2.00 mg of Pu-239.
If 1.35g of AgNO3 is dissolved in 115 mL of water, and to this solution is added 5.00 mL of HCl resulting in the formation of a precipitate. Find the concentration of silver ions remaining in the solution
complete the balanced reaction if it will occur.state does not occur if the reaction will not take place.make sure that
the partial pressure of co2 inside a bottle of soft drink is 4.0 atm at 25degc. the solubility of co2 is 0.12 moll.
consider a mixture of air and gasoline vapor in a cylinder with a piston. the original volume is 40. cm3. if the
Assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the container.
If temperature and pressure remain constant, how does the volume of a gas sample vary withthe number of moles of gas present
what is the percent yield of a reaction in which 266 g phosphorus trichloride reacts with excess water to form 134 g
how much will the temperature change when 730 g of each of the following materials absorbs 1240 cal of heat energy?a.
You have just prepared a solution by weighing 20 g of sucrose, transferring it to a 1-liter volumetric flak, and adding water to the line. Calculate the concentration of the sucrose solution in terms of mM, mg/mL, and % (wt/vol).
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