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The vapor pressure of a volatile liquid can be determined by slowly bubbling a known volume of gas through it at a known temperature and pressure. In an experiment, 5.57 {\rm L} of {\rm{N}}_2 gas is passed through 7.2394 {\rm g} of liquid benzene, {\rm{C}}_6 {\rm{H}}_6, at 20.5^\circ {\rm C} and atmospheric pressure. The liquid remaining after the experiment weighs 5.2651 {\rm g}. Assuming that the gas becomes saturated with benzene vapor and that the total gas volume and temperature remain constant, what is the vapor pressure of the benzene in torr
How many moles of Na2SO3 were added to the calorimeter cup if 40.0mL 0.50 M NaOCl and 60.0mL 0.50 M Na2SO3 were combined?
A procedural change would be essential if a boy want to determine the tomato juice's acidity by titrating a sample of juice with NaOH(sodium hydroxide) solution Briefly explain What change would you make to the procedure ?
110 mL of H_2O is initially at room temperature (22.0 degrees C). A chilled steel rod at 2.0 degrees C is placed in the water. If the final temperature of the system is 21.0 degrees C.
What is the half-life of a compound if 85 percent of a given sample of the compound decomposes in 45 min? Assume first-order kinetics.
Complete the reaction of salicylic acid and 4-aminobenzenesulfonic acid by drawing the expected product.
Suppose it was found that in an equilibrium mixture of these gases the partial pressure of NH3(g) is 24.9 atm and the partial pressure of N2 is 6.68 atm. What is the partial pressure of H2(g)?
Using the following reaction: OH- + HC2H3O2 ---> H2O + C2H3O2- a 75.0 mL sample of potassium hydroxide, KOH, of unknown concentration is titrated with 42.5 mL of 0.575 M acetic acid.
The below table lists pressure and volume measurements for air in a cylindrical piston of an air compressor. The variables may be assumed related
How can their efficiency be less than 100% and the Law of Conservation of Energy still be valid? An incandescent light bulb functions because of the flow of electric current. Does the incandescent light bulb convert all of the electrical energy to..
If 0.80 g of sulfur dioxide at 10.00 atm pressure (P) dissolves in 5.00 L of water at 25.0°C, how much of it will dissolve in 1 L of water at 9.00 atm pressure (P) and the same temperature?
A solution contains 0.10 M Ca2+ and 0.10 M Mg2+. What pH range would result in only Mg(OH)2 precipitating? Ksp for Ca(OH)2 is 6.5 ´ 10-6 and for Mg(OH)2 is 7.1 ´ 10-12.
A rectangular block has dimensions 2.9 cm 4.0 cm 10.0 cm. The mass of the block is 625.0 g. What is the volume of the block?
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