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Xenon is a gas found in some automobile headlights. The density of xenon at room temperature and pressure is 5.3 g/L. What is the mass, in pounds, of 1.00 quart of xenon? [1 liter = 1.057 qt; 1 pound = 453.6 g]
Frank and Oswalt report a molar absorptiity of 4700 L mol ^-1 cm ^-1 for the thiocyanatoiron (III) ion.
If the optical rotation of pure (R)-2-butanol is -13.5°, then you would expect the optical rotation of racemic 2-butanol to be a) -13.5° b) +13.5° c) 0° d) can't tell
Metallic magnesium reacts with steam to produce magnesium hydroxide and hydrogen gas. If 17.1 g of Mg are heated with 9 g of H2O, what is the limiting reactant.
Suppose the maxium pressure the vessel can safely with stand id 1.60 atm. what is the maxium temperature in K the gas can have before its pressue might burst the vessel
An equilibrium mixture at 225 degrees contains 0.14M NH3 and0.19 M H2 for the reaction of 3H2+N2=2. If the Kc at this temp is 1.0*102, what is the equilibrium concentration of N2
Zinc dissolves in acid according to the balanced reaction: Zn(s) + 2H^+(aq) -> Zn^2+(aq) + H2(g) A sample of zinc is placed in the ice calorimeter. If 0.0657g of zinc causes a decrease of 0.109mL in the ice/water volume of the calorimeter
what type of solid phase would you use and what type of solvent would you select as an eluting solvent, to detect the biphenyl impurity?
To extract Al from glass, 200 mL of EDTA were mixed with .50g of glass particles and allowed to equilibrate over time. The Al concentration of the solution was found to be 5.25 mcM. If the glass contained .40 wt% Al, what percent of Al was extract..
A bottle of wine consists of an 11 weight percent solution of ethanol (C2H5OH) in water. If the bottle of wine is chilled to -20^oC, will the solution begin to freeze
Erythro-2,3-dibromo-3-phenylpropanoic acid undergoes eliminiation by an E1 pathway in water solvent (Part A conditions),
When o.514 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.8 to 29.4 degree Celcius. Find delta energy reaction for the combustion of biphenyl in KJ/mol biphenyl.
The half-life of 32P is 14.3 days. If you begin with 4.9 ?g (micrograms) of radioactive 32P in the form of Na2HPO4, what mass remains after 28.6 days (about one month)
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