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What mass of water (in grams) is contained in 2.9 L of the vapor above this solution at 55 C? The vapor pressure of pure water at 55 C is 118 torr. (Assume a van't Hoff factor of 1.9 for NaCl.)
A gas sample at 29°C and 790 torr pressure is heated until its volume is doubled. What pressure would restore the sample to its original volume
A lightning flash is seen and then 1.9 seconds later the thunderclap is heard. How far away in miles did the lightning strike if sound travels 1087 feet per second and a mile is exactly 5280 feet
Find the pH of the equivalence points and the volume of 0.0372 M NaOH needed to reach it in titrations of
A circular storage tank in the san Ardo california oil field water treatment facility is 50 yards in diameter. Estimate how many barrels of fluid this tank could hold
If the actual pressure of the vapour was less than the surrounding , will molecular weight you determine (heptane) be too low or too high
The pH at one half the equivalence point in an acid-base titration was found to be 5.73. What is the value of Ka for this unknown acid?
Imagine a unit of charge called the zorg. A chemist performs the oil drop experiment and measures the charge of each drop in zorgs.
What is the purpose of washing your cyclohexene with saturated sodium bicarbonate. Why do you think it is more practical to wash with a solution instead of adding solid sodium bicarbonate to your cyclohexene
the depth of each tank is 2 m and each has a detention time of 4 h. what is the surface area of each tank and what is the overflow rate of each tank in m^3/d*m^2?
A student titrated 20.0 mL of 0.410M HCL with 0.320M NaOH. Find the pH, [H3O+], and [OH-] when 21.50mL of titrant has been added.
If oxygen gas were collected over water at 22 C and the total pressure of the wet gas were 650 mm Hg, what would be the partial pressure of the oxygen?
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose that a can contains a residual amount of gas at a pressure of 755 mmHg and a temperature of 25 OC. What would the pressure ..
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