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A sealed container of oxygen gas has a pressure of 44.2 atm at 319.0 K. If the container is cooled to 239.0 K, what is the new pressure of the gas?(R=0.08206L atm K^-1 mol^-1)
a. 59.0b. 3.59x10^3 atmc. 3.23 atmd. 33.1 atme. 44.2 atm
Detarmine the resulting Nitrate ion concentration when 95 ml of 0.592m potassium nitrate and 145.5ml of 1.770m calcium nitrate are combined
a toxicologist studying mustard gas sch2ch2cl2 a blistering agent prepares a mixture of 0.675 m scl2 and 0.973 m c2h4
How long will it take to deposit 89 g of magnesium from an electrolysis cell containing MgO at a current of 12.5. A magnesium formation is the only cathode reaction mg = 24glmol.
If all of the below solutions are 0.5M in each of the compounds, what is the concentration (M) of each ion in solution
What is the pH of a solution created by dissolving 15.0 g of monosodium phosphate NaH2PO4 and 12.0 g of disodium hydrogen phosphate Na2HPO4. The Ka is 6.2*10^-8. How much .2 M NAOH is needed to raise the pH of the solution by .04 units
1) What type of intermediate is formed in the polymerization of styrene with butllithium? a) radical b) carbanion
Calculate the frequency of radiation that can induce a transition between the highest occupied and lowest unoccupied levels.
Aqueous ammonia is commercially available in a solution that is 28% (w/w) ammonia. What is the mole fraction of ammonia in such a solution
How many different aldols (b-hydroxyaldehydes), including constitutional isomers and stereoisomers, are formed upon treatment of butanal with base?
Determine the empirical formula and the molecular formula of a compound that has the compostion of 80.0% C and 20.0% H. The molecular mass is 240.6 g.
Describe the technique you would use to determine the density of approximately 5 gram samples of the following at 20 degrees celcius and 1 atmosphere pressure:
Write a dissolution for each precipitate that is soluble in CH3COOH: Na2C2O4, Pb(NO3)2, Al2(SO4)3, NaCl, NaOH
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