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Determine the vapor pressure lowering at 27C of a solution of 75g of sucrose dissolved in 180 g of water. Vapor pressure of pure water at 27C is 26.7 torr
Calculate the entropy change when argon at 25 °C and 1.00 bar in a container of volume 0.500 dm3 is allowed to expand to 1.000 dm3 and is simultaneously heated to 100 °C.
A solution of methanol, CH3OH, cotains 55.0 grams of methanol in 100. mL of water solution. What is the molarity of methanol in the solution?
Impure benzoic acid was dissolved in hot water. the container of solution was placed in ice-water bath instead of being allowed to cool slowly.
If you take a 67.5 mL portion of 1.98 M. NH3 stock solution and dilute it to a total volume of 0.600 L, what will the concentration of the final solution be?
if the freezing point of a .106 m CH3COOH solution is -.284 degrees celsius, calculate the percent of the acid that has undergone ionization.
It is written in chemical shorthand as NaCl. How would you go about finding approximately how much salt there is in our body
How much heat in kilojoules is required to warm 10.0 of ice, initially at -10.0, to steam at 125. The heat capacity of ice is 2.09 and that of steam is 1.84 .
If 1.50 g of (NH4)2SO4 is dissolved in enough water to form 200. mL of solution, what is the molarity of the solution.
A solution of nacl in water was electrolyzed with a current of 2.50 amps for 15.0 min. How many millimeters of 0.100m hcl would be required to neutralize
identify the oxidizing agent in the reaction Mg+2HCl=H2+MgCl2, the generation of hydrogen gas in the laboratory.
What difficulties could you encounter trying to determine the cp of a chunk of metal that has a hollow center?
what is the maximum mass of aspartame you can add to 2.00kg of pure water and still have the solution freeze.
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