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Using the appropriate equation from your lecture notes, how much of a 5 gram sample will be extracted from 20mL of water using 15mL of an organic solvent and the partitian coefficient is K = 0.50.(nearest hundredth)
Acetic acid solution is titrated with NaOH solution. What is the pH at half the euivalence point?
Joe makes up a aqueous solution of a copper salt from some ore samples he has found in Contact, NV. He places a rod of pure copper into the solution making a cathode and uses a graphite rod as an anode
Calculate the heat capacity of methanol (methyl alcohol) at 40°C. 2.6kg of methanol at 15 C enter an evaporator. They exit as vapour at the boiling point.
Given the following partial pressure for the gases: Pnz=0.78atm Po2=0.19atm Ptrace=0.05atm Determine the total pressure for the mixture.
How many kilograms of CaH2 are needed to fill a 147 L tank with compressed H2 gas at 160 atm pressure and 27 degrees C?
How many moles of oxygen gas are required to completely react with 6.20 moles of carbon according to the balanced reaction equation shown below?
What is the theoretical yield of hydrazine, in grams, prepared from the reaction of 125.0 mL of 0.500M NH3(aq) with 25.0mL of 1.70M NaOCl (aq)?
A dilute electrolyte solution is prepared by dissolving iron(III) chloride in water. It is found to have a freezing point
the activation energy for the isomerization of methyl isonitrile is 160 kJ/mol. Calculate the fraction of methyl isonitrile molecules that has an energy of 160.0 kJ or greater at 500 K.
carbonic acid solution with [H_2CO_3] = 0.00735 M is titrated with 0.100 M KOH. Determine the pH of the solution when 70.00mL of OH have been added.
22.87 mL of a 0.1075 M NaOH solution are required to neutralize 0.300 grams of an unknown monoprotic acid. What is the molecular mass of the acid
The Common Ion Effect. What is the pH of a solution that contains 0.250-M benzoic acid and 0.600-M sodium benzoate?
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