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December 21, 2014

Posts by Capella


Total # Posts: 2

chem - precipitation problems
When hydroge sulfide gas is passed through a solution of lead (II) nitrate, lead (II) sulfide precipitates out. Write a balanced equation for this reaction and calculate an average rate, in mol/s for the reaction from this data: 1) at 0 seconds, mass of lead (II) sulide is 0 g...
June 8, 2010

entropy change (chem)
determine the entropy change for the displacement reaction represented by the following equation : Cl2 + PbBr2 -> PbCl2 + Br2 Cl2 = 223.066 delta S PbBr2 = 182.7 delta S PbCl2 = 131.3 delta S Br2 = 152.231 delta S
June 8, 2010

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