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Calculate the pH for 5 x 10-10 M HClO4. Please show work. The answer should come out to pH7 when auto-ionization of water is factored into the calculation.
Write out the balanced net ionic equations representing the reactions that occur when iron (III) in water reacts with: A) Hydrochloric Acid.
Why do you wash the ether layer with sodium carbonate? 4. Why is this experiment more expensive than the Fisher esterfication process? When is this method perferred?
Determine the enthalpy for the partial combustion of methane to carbon monoxide.
What volume of 0.550 M Na3PO4 is required to precipitate all the lead(II) ions from 160.0 mL of 0.700 M Pb(NO3)2?
The lipid formed an emulsion when mixed with oil and water, reacted with aqueous sodium hydroxide to form soap, did not react with bromine, and gave a positive result for the ammonium molybdate test. Describe a lipid structure consistent with thes..
A gas has a volume of 263 mL at 729 torr. What volume will the gas occupy at 368 torr if the temperature of the gas doesn't change?
What is the entropy change if two mole of liquid water is heated from 20 C to 100 C under constant pressure? Cp=75.5 J/mol*K over this temperature interval
an empty aerosol can at 25 degree calcius still contains gas at 1.00 atmosphere pressure. if an empty can is thrown into a 475 degree calcius fire, what is the final pressure of the heated can?
The excess I3 was titrated with 50.00 mL of a 0.02000 M Na2S2O3 solution. What was the mass percent of arsenic trichloride in the original sample?
What is the pressure in millimeters of mercury of 0.0100 mol of helium gas with a volume of 211 mL at a temperature of 50^circ C?
How many grams of CO are needed to react with an excess of Fe2O3 to produce 209.7g Fe? Fe2O3(s) + 3CO(g) -> 3CO2(g) + 2Fe(s)
What is the freezing point of a solution of 224 g of ethylene glycol (C2H6O2) dissolved in 1000 g of water?
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