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A mixture of 0.162 moles of C is reacted with 0.117 moles of O2 in a seated, 10.0 L vessel at 500 K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO?
a 26.0-g sample of ice at -11.0degc is mixed with 123.0 g of water at 90.0degc. calculate the final temperature of the
The water bath conatins 2.90 kg of water at 27.6 degrees celcuis. During the reaction 110 kj of heat flows out of the flask into the bath. Calculate the new temperature of the water bath
Calculate the change in entropy that occurs when 18.66 g of ice at -14.6°C is placed in 54.05 g of water at 100.0°C in a perfectly insulated vessel.
One type of electromagnetic radiation has a frequency of 1050 kHz, another type has a wavelength of 2.12e-10 m, and another type of electromagnetic radiation has photons with energy equal to 4.48e-24 J/photon.
Fischer projections, isomers, enantiomers and stereocenters, For 2,3-butanediol, there are 3 isomers; 2 are enantiomers, one is not.
Benzoic acid is used to titrate an unknown base, and the pH of solution is recorded during the titration. Halfway to the ultimate endpoint of the titration, the pH of solution was recorded at 7.64. What is the value of Kb for the unknown base?
calculate the pH of pure water at 298 K and 403 K. Recall that pH is defined in terms of activity not concentration.
sketch the full schematic for the voltic cell corresponding to the redox reaction shown below;Fe(s) +Cu^2+(aq)---->Cu(s)+Fe^2+(aq). write the shorthand notation for the voltic cell corresponding to the above redox reaction.
Properties of Electrolyte Solutions, In the winter of 1994, record low temperatures were registered throughout the United States. For example, in Champaign, Illinois, a record low of -29 F was registered.
what is the broglie wavelength of an electron moving at one-tenth the speed of light. mass of the electron 9.109
At a higher temperature, 373K, dinitrogentetraoxide partially decomposes according to the same equilibrium reaction but with slightly different results. The chemical equation is again
In which of the following species is the octet rule violated by the central atom when the central atom has a formal charge of zero?
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