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A 1-L flask is filled with 1.30g of argon at 25C . A sample of ethane vapor is added to the same flask until the total pressure is 1.00 atm. What is the pressure of argon Par in the flask? What is the partial pressure of ethane, Pethane, in the flask?
why would the chemiluminescence be more pronounced than with the flask stoppered? Why is the chemiluminescence even more pronounced with the ferricyanide/hydrogen peroxide mixture?
Above what Fe2+ concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 9.99? The Ksp of Fe(OH)2
Compute the changes in the degree of polymerisation and the rate of the polymerisation caused by raising the temperature of polymerisation of styrene in C6H6, initiated by azobisisobutyronitrile from 60 0C to 70 0C.
How many joules of energy are necessary to heat the steam from 100.0C to 114.0C if the specific heat of steam is 2.02 J/ g C
The Ka for boric acid is 7.3 x 10-10. What is the pKa of boric acid?
A sample of nitrogen gas is collected over water at a temperature of 23.0 degrees Celcius. What is the pressure of the nitrogen gas if atmospheric pressure is 785 mm Hg?
formation of a compound cannot be truly explained. What is your view on this topic? Are there any other factors that should be considered?
the concentration of a sodium hydroxide solution is determined by titrating it against a sample of potassium hydrogen
What is the pH of a solution that is 0.75 M in sodium acetate and 0.50M in acetic acid? (Ka for acetic acid is 1.85 x 10-5).
calculate the mass of propylene glycol that must be added to 0.500 kg of water to reduce the vapor pressure by 4.60
Perform a degree of freedom analysis and show that all of the unknowns can be solved.
calcium carbide cac2 reacts with water to form acetylene.cac2s2h2ol gt c2h2g caoh2sahow many grams of water are needed
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