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A sample of gas with an initial volume of 33.0 L at a pressure of 765 mmHg and a temperature of 325 K is compressed to a volume of 16.2 L and warmed to a temperature of 440 K. What is the final pressure of the gas? P final= ?
The atmospheric pressure 4.The volume for the vapor to occupy above the liquid 5.The temperature of the liquid
A 1.5618-g sample containing sulfate ion was treated with barium chloride reagent, and 0.2321 g of barium sulfate was isolated. Calculate the percentage of sulfate ion in the sample.
To prepare 5.0 L of a 3.50 M solution of Potassium Hydroxide (KOH), how many grams of Potassium Hydroxide must be used?
How many Protons, Neutrons, and Electron of 63Li+. What are the mass number and atomic number of each of these atoms
Calcium phosphide reacts with water according to the equation. Using 84.0g of Ca ?P? and 36.0g of H?O, What volume of PH? will be produced at 273 K and a pressure of 1520 torr? Ca?P? + H?O --> Ca(OH)? + PH?
The equilibrium constant for H2(g)+I2(g)->2HI at 40 oC is 20. The vapor [pressure of solid iodine at 40 oC is 0.1 bar. 12.7 g of solid iodine is placed in a 10 L vessel. What is the minimum amount of hydrogen that must be placed in the bulb to rem..
Provide three balanced chemical equations that will precipitate Pb2+ from a solution. Exclude substances containing chloride or chromate ions
The pH of the solution at the equivalence point, The pH of the solution after 40.0 mL of HCl are added.
Hypochlorous acid, HOCl, has a pKa of 7.54. What is the [H3O+] in 0.163 M HOCl
If the vapor pressure of the pure liquids at 20.0deg C are 227 torrand 31.7 torr respectively, what will be the total vapor pressure of the mixture? Also, what will be the mole fraction of each compound in the vapor?
C3H8O3 (density=1.26 g cm-3) is added to a kilogram of water. What is the mole fraction C3H8O3 in the solution?
A particular first-order reaction has a rate constant of 1.35 × 102 s-1 at 25°C. What is the magnitude of k at 75°C if Ea=85.6 kJ/mol
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