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A 1.00 L vessel at 0*C contains 0.21 mol N2, 1.3 mol H2 and 1.0 mol CH4. Calculate the pressure of the gas mixture and the partial pressure of each constituent gas in the mixture.
the einstein equation emc2nbspshows that 1.0g of matteris the equivalent of 2.1 x 1010nbspkcal. when 2.0 g ofhydrogen
When 10.00 g of vitamin B6 is burned in oxygen, 19.88g of CO2 and 4.79 g of H2O are obtained. Another experiment shows that vitamin B6 is made up of 14.89%N. What is the simplest fourmula for vitamin B6
When a 1.50x102 g strip of zinc is dropped into a large beaker containing excess hydrochloric acid, how many grams of gas are formed?
In a particular photoelectron spectrum using 21.21 eV photons, electrons were ejected with kinetic energies of 11.01 eV, 8.23 eV, and 5.22 eV. Sketch the molecular orbital energy level diagram for the species,
What data is collected in a titration? How would I be able to find what the volume of 0.10M HCl should be needed to titrate .136 g Na2CO3 according to the reaction equation:
what is the change in enthalpy for 2.854 moles of the liquid?
describe the preparation of 12 ml of a 0.050 M solution of each of the halogens, using the reactions in the preceding question. Available to you are solid Ca(OCl)2; 1.20 M solutions of NaCl, NaBrO3, and CuSo4; a 0.40 M solution of NaI; a 0.50 M so..
what is the ground state electron configuration of atomic al? what electronic states are possible with this electron
You plan to marinate a piece of beef for your dinner. The beef is 5 by 6 inches with the thickness of 1 inch. You rub salt and pepper all around it, and set it aside for 30 minutes. Then you checked it after 30 minutes and found that the beef tast..
how much limestone must be decomposed by heating to produce 250.0 grams of lime cao?assuming that the limestone
The equation for a Beer's Law plot is y = 2012.5x + 0.003. If the recorded absorbance for an equilibrium mixture is 0.362, what is the concentration of FeCNS2+ (aq)?
The rate constant for a first-order reaction is 5.50 x 10-4 s-1 at 39oC and 2.32 x 10-3 s-1 at 56oC. What is the activation energy
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