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What molarity of aqueous calcium chloride solution can be expected to show the same conductivity as 0.0050 M aluminum sulfate at 12,500 units.
Draw the structure of the 4 possible ionization states of tyrosine and calculate the net charge for each state. Draw the titration curve for Tyrosine. The pKa of the carboxylic acid = 2.20. the pKa of the amino group is 9.20.
Methylbenzene and 1,2-dimethylbenzene mix to form an ideal solution. At 90oC, the vapor pressure of pure methylbenzene is 400 Torr and that of pure 1,2-dimethylbenzene is 150 Torr.
Find the formula of a compound using stoichiometry and ideal gas equation and Deduce from these data the corresponding equation and write formulas for the oxide and sulfate of M .
How much work must be done to bring ion A and ion B together into an activated complex. The charge of ion A is +2 and it's ionic radius is 2.85 A and if the charge on ion B is +1 and it's ionic radius is 1.35 A
how mamy moles of 1 chloroprppane (C3H7Cl) are produced if 352.grams of propane C3H8 react according to the equation
Ethanol melts at -114 celcius and boils at 78 celcius . The enthalpy of fusion of ethanol is 5.02 KJ/mol , and its enthalpy of vaporization is 38.56 KJ/mol.
How does the entropy of the system PbI2(s) + H2O(l) change as PbI2(s) dissolves in water at 25°C?
What size sample should be taken so that the percent purity is equal to five times the milliliters of 0.05M NaOH used to titrate it?
0.375 kg of water are in a well insulated container at 21.3 c. After 4.184kj of heat are added to the water, what is the final water temperature ?
Determine the equilibrium concentrations - what are the new equilibrium concentrations of all species.
determine partial pressure and number of moles of each gas in a 17.25 L vessel at 30 degrees celsius containing a mixture of xenon and neon gases only.
What is the pH of a solution that mixes 30mL of 0.01M CH3COOH with 30mL 0.0075M NaCH3CO2? (Assume the volumes are additive
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