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If the reaction 2 NO(g) + O2(g) ? 2 NO2(g) is carried out at standard conditions, what is the total pressure? What is the temperature under standard conditions?
a. 5 atm, 298 Kb. 5 atm, 273Kc. 1 atm, 298 Kd. 1 atm, 273 K
Sketch a molecule of Pbr3Cl2 in which the chlorines are in axial position position. Sketch another molecules of Pbr3Cl2 in which the chlorines are equatorials positions.
When the flask is allowed to cool the vapor condenses and aire again refulls the flask. Re weighing the flask and figure out the the wight of the unknown vapor which filled the flask during the boiling. Is the error in volume measurement or the err..
Calculate the de Broglie wavelength for each of the following.a 57 g ball with a velocity of 35. m/s b an electron with a velocity 12% the speed of light.
A certain reaction has an activation energy of 27.03 kJ/mol. At what Kelvin temperature will the reaction proceed 3.00 times faster
Consider the zinc atoms of ZnSe. With what pairs of atoms could the Zn be replaced to make another isoelectronic solid
Calculate the percent yield of this reaction? 4. Calculate the Atomic economy and Experiment Atomic economy? 5. Calculate E-product
Calculate the half cell potential for the reduction of Pb(II) to metallic Pb(I) in a saturated Lead(II) sulfate solution
How much energy in kJ must be absorbed to heat up a volume of ocean water 2 m high by 20 km wide by 30 km deep by 3°C.
Determine the boiling point of a solution of 72.4 g of glycerol dissolved in 122.5 g of water.
A radioactive element has a half-life of 2.2 hours. How many hours will it take for the number of atoms present to decay to one-sixteenth of the initial value? Show your calculations
Transition from the n=7 to n=2 level of the hydrogen atom yields a photon at the edge of human visual perception. Determine the energy and wavelength of this light.
We did TLC and column chromatography separating methylene blue and fluorescein. The solvent contained mostly ethanol but also had NaOH, and this NaOH formed SiO- with the silica (the stationary phase), which is in competition with the solvent for ..
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