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Fe^3+ is reduced to Fe^2+ by S^2-, which is oxidized to elemental S. Write the net ionic balanced equation for this redox reaction in basic solution.
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid
What volume of solution should be dispensed from the buret to provide 5.633 mmol CO2-3 ? Answer in units of mL.
Calculate the change in entropy when one mole of ice at ?10.0°C and 1 atm is converted to liquid water at ?5.0°C and 1 atm. The molar enthalpy of fusion for H2O
A buffer solution is prepared by mixing 20.0 mL of 0.032 M benzoic acid C6H5COOH(aq) solution with 25.0 mL of 0.022 M NaC6H5COO(aq). What is the pH of the buffer produced? (Ka of benzoic acid = 6.2 x10-5).
A 9.0×10-2 M solution of a monoprotic acid has a percent dissociation of 0.60%. Determine the acid ionization constant Ka for the acid.
The pH at 25 °C of an aqueous solution of the sodium salt of p-cresol (NaC7H7O) is 11.60. Calculate the concentration of C7H7O- in this solution, in moles per liter. Ka for HC7H7O is equal to 6.7E-11.
An individual's blood alcohol content (% alcohol in blood as measured mass per volume = mass of alcohol per volume of blood) was 0.15. If we assume the individual drank all of the alcohol at once
For the reaction A + B C, the rate constant at 215 degrees C is 5.0 X 10^-3 and the rate constant at 452 degrees C is 1.2 X 10^-1 a) What is the activation energy in kJ/mol?
Ethanol (C2H5OH) is produced from the fermentation of sucrose in the presence of enzymes. C12H22O11(aq) + H2O(g) > 4 C2H5OH(l) + 4 CO2(g)
how would each affect the calculated molecular mass of the solute?
Predict whether each of the following should form a normal or inverse spinel (hint: think about CFSE's): MgV2O4, VMg2O4, NiGa2O4, ZnCr2S4, NiFe2O4, Mn3O4, Fe3O4
The Ksp value for ferrous hydroxide is 1.6 x 10/\-14. Calculate the molar concentration of ferrous ion (Fe2+) in an aqueous solution that has been buffered to maintain a pH of exactly 10.00 and is saturated with Fe(OH)2.
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