Predict vapor pressure of solution at normal boiling point
Glycerol HOCH2CH(OH)CH2OH is a nonvolatile, water-soluble material. its density is 1.25 g/mL. predict the vapor pressure of a solution of 2.40 x 10^2 mL of glycerol, in 395 mL of water, at the normal boiling point of water.
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A 661-kg elevator starts from rest and moves upward for 2.50 s with constant acceleration until it reaches its cruising speed, 1.62 m/s. (a) What is the average power of the elevator motor during this period?
A 1.89-g sample of a mixture of CaCl2 and Ca(NO3)2 is treated with excess AgNO3(aq). The precipitate is filtered off, dried and weighed. The dried precipitate weighs 2.71 g. What is the percentage by mass of CaCl2 in the original mixture?
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A steam catapult launches a jet aircraft (from rest) from the aircraft carrier John C. Stennis, giving it a speed of 165 mi/h in 2.00 s. Find the average acceleration of the plane.
Predict the vapor pressure of a solution of 2.40 x 10^2 mL of glycerol, in 395 mL of water, at the normal boiling point of water.
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Determine the boiling point of an aqueous solution tha is 2.30 m ethylene glycol (C2H6O2); Kb for water is 0.52 degrees celsius/m.
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