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the reaction 2NO+Cl2=2NOCl is carried out in a closed vessel. if the partial pressure of NO is decreasing at a rate of 56 torr/min what is the rate of change of the total pressure of the vessel?
calculate how much CaCN2 is required to form 12.6 moles of ammonia? Given that the percent yield is 65.8%?
If the cylinder then sits in the storage at 293 K for a long time, what is the entropy change of the universe (from the original unfilled state)?
Three solutions 61.0 mL of 0.2 M KNO3; 63.0 mL of 0.3 M Ca(NO3)2; and 69.0 mL of 0.385 M KCl were poured together to make one new solution.
A steam turbine receives a flow of 10,000 lb of steam per hour and delivers 500 kW in that period. Heat losses from the casing and the turbine bearings may be assumed neglible
0.113 m aqueous solution of a weak acid, HA, is 2.23% ionized. At what temperature does it freeze? Kf for water = 1.86o C/m.
A benzene-toulene solution with a mol fraction for benzene of 0.300 has a normal boiling point of 98.6 degrees Celsius. The vapor pressure of pure toulene at 98.6 degrees Celsius
Calculate the standard free energy change for the process N2O5(s)-->N2O5(g) at 25 0C if Vapor pressure of N2O5 at 7.5 degrees C is 100mmHg, and the solid sublimes at a pressure of 1.00 atm at 32.4 0C.
Calculate pCd2 at each of the following points in the titration of 55.00 mL of 0.0020 M Cd2 with 0.0020 M EDTA in the presence of the auxiliary complexing agent NH3.
Joseph Priestley discovered oxygen in the eighteenth century by using heat to decompose mercury(II) oxide: 2 HgO(s) + heat --> 2 Hg(s) + O2(g)
A solution is made by dissolving 26.44 g of (NH4)2SO4 in enough H2O to make 50.75 mL of solution.What is the molar mass of (NH4)2SO4?
At a certain temperature and pressure 4.2 L of N2 reacts with 6.3 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced?
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts
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