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a) The standard state that we have been using for a solute in aqueous solution is a concentration of 1 molal - that is, one mol solute per kilogram of solvent. Derive a equation changing the chemical potential at a molal standard state to a molar standard state - that is, with a standard concentration equal to one mole of solute per liter of solution.
b) Calculate ?rxnG (standard state) for the weak acid ionization reaction of CH3CO2H in water at a temperature of 25C using the molar standard state. Retain all possible sig figs.
c)Calculate Ka for acetic acid in both the molal and molar standard states. Use as many sig figs as your calculations in part b.) warrant.
The mass spectrum of an organic compound shows the relative abundances of M to be 36.44% and M 1 to be 8.277%. Assuming the peaks are caused by 12C and 13C isotopes
According to Raoult's law, which statement is false?
(a) What is the molecular weight of the drug? (b) What is the boiling point of the solution? (c) What is the osmotic pressure of the solution?
A 0.12M solution of a weak acid HA has pH = 2.49. What is the Ka of this acid.
How many grams of NaN3 are required to produce 15.0 ft3 of nitrogen gas if the gas has a density of 1.25 g/L.
Calculate the concentration of sodium ion in a solution made by diluting 350.0 mL of 3.00 M sodium carbonate to a total volume of 2.00 L.
If 24 g of SiO2 is reacted with an excess of carbon, what volume of gaseous carbon monoxide will be produced at a temperature of 17°C and a pressure of 735 mm Hg?
Does the body have an impact on the brain? If so, how much? What do you have to back up your position?
determine what mass of AgCl silver chloride can be formed from 1.03L of a 0.132M solution of AgNO 3 silver nitrate
The air in a laboratory was measured with a barometer to be 7.40 x 10^2 mm Hg. What is the laboratory air pressure in atm?
Calculate the equilibrium concentrations for all species: B. Calculate the value of the equilibrium constant, K.
Calculate how many calories of heat are needed to increases the temperature of 550 grams H2O from 12 degree celsius to 18 degree celsius?
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