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Explain if you were conducting a gas volumetric analysis, Explain how would your calculations to achieve the mass percent of the substance in change if the pneumatic trough contained mercury as opposed to water?
The container has a pinhole the area of which is one square millimeter. How long will it take for the pressure of the helium to equal the pressure of the argon in the container. When the pressure are equal what will the total pressure in the conta..
a specific brand gourmet chocolate candy contains 7.00g of dietary fat in each 22.7 piece. how many kilograms of
A balloon originally has a volume of 4.39L at 44 C and a pressure of.959atm. The balloon must be cooled to what temperature in order to reduce its volume to 3.78 L?
The mixture of solutions has a density of 1.220 g/mL and a specific heat of 5.254 J/gC. The empty calorimeter had a heat capacity of 850.0 J/C. The temperature of the entire system rose from 25.6 C to 26.7 C. Calculate the heat of the reaction, in..
Create a MO diagram for N2. Label molecular orbital energy levels with elctron configurations and imaging designations (LUMO, LUMO + 1, etc) Provide the molecular electron configuration and bond order.
use the van der waalsequation to determine the molar volume of steam at 200 bar and 500degc. compare this value with
Calculate the partition coefficient of caffeine between water and each of the other three solvents. Which of these three organic solvents would be the best choice for extracting caffeine from an aqueous solution?
what volume of ammonia gas, measured at 660.3 mmhg and 58.2c, is required to produce 6.46 g of ammonium sulfate according to the following balanced chemical equation
ultraviolet light strikes a metal plate and ejects electrons having kinetic energy E = 2.04 eV. Calculate the binding energy of an electron at the metal surface.
Lakes that have been acidified by acid rain can be neutralized by liming, the addition of limestone (CaCO3). How much limestone (in kg) is required to completely neutralize a 4.3 billion liter lake with a pH of 5.5?
A 70kg skier is going down a hill that is inclined at a 12 degree angle to the horizontal. the coefficient of kinetic friction between waxed skies and snow is .05. The force of the air resistance on the skier is 15.6N. find the skiers acceleration..
the suspended solid content of a 1-litre river water sample is 20 mglitre. assume that material all organic carbon and
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