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A 2.0-liter sample of H2(g) at 1.00 atm, an 8.0-liter sample of N2(g) at 3.00 atm and a 4.0-liter sample of Kr(g) at 0.50 atm are transferred to a 10.0-liter container at the same temperature. Calculate the partial pressure of each gas and the total final pressure in the new container.
Determine the enthalpy for the given reaction as CS2
What are the signs of Hvap and Svap for water. Do you expect the signs of these quantities to be the same for other liquids. Explain.
A solution is prepared by combining .025 mole CaCl2 and .015 mol Pb (NO3)2 and adding water to make 1L of solution. Will a precipitate of PbCl2 form in this solution
The molar heat of reaction, H rxn, for the reaction of Ca(s) + 2H+(aq) Ca2+(aq) + H2(g)
In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
For the following precipitation reactions, calculate how many grams of the first reactant are necessary to completely react with 54.0 grams of the second reactant.
Calculate the % ionization of nitrous acid (HNO2) in a solution that is 0.222M in nitrous acid and 0.278M in potassium nitrite (KNO2). Ka for nitrous acid= 4.50 times 10^-4
You have a 4 L bottle of sulfuric acid solution. You take 50.0 mL of this H2SO4(aq) solution and titrate it to the endpoint with a 0.10 M NaOH solution. If the volume of NaOH solution needed is 60.0 mL, the concentration of the sulfuric acid (H2SO..
If you find that the standard Gibbs free energy change for a reaction is 3.26 kJ/molK, what is the equilibrium constant for the reaction at 25.0 oC? Be careful with your units in the calculation.
Write balanced ionic equation, net ionic equation, oxidation half reaction and reduction half reaction when liquid sodium chloride is electrolyzed.
What is the entropy change for a particle in this system if the final number of microstates is 0.819 times that of the initial number of microstates?
Copper is obtained from ores containing the minerals, azurite,Cu3(CO3)(OH)2, chalcocite, Cu2S, chalcopyrite CuFeS2
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