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Write molecular, complete ionic, and net ionic equations for the reactions that occur , if any, when solutions of the following substances are mixed:
(a) nitric acid and potassium carbonate
(b) sodium bromide and lead(II) nitrate
(c) acetic acid and calcium hydroxide
(d) calcium nitrate and sodium sulfate
(e) ammonium chloride and lithium hydroxide
Calculate percent recovery of panacetin from the individual masses of its mictures, sucrose (.044g), aspirine (.093), and the unknown (.339).
Calculate the weight percent composition of the mixture (hexane, heptanes, hexanol, and toluene). b. Calculate the mole percent composition of the mixture.
calculate the crystal field splitting energy in Kj/mol for blue soloution containing the copper complex [Cu(NH3)6]^2. the solution exhibits
Which of these is true about the following reaction?
The chemical reaction that causes aluminum to corrode in air is given by 4Al+3O2 Al2O3 in which Hrxn = %3352 kJ rxn = %u2212625.1 J/K) What is the Gibbs free energy for this reaction at 5975K ?
why helpful.source site should show IGC,ILC, Trouble shooting and column packing
If the initial temperature of the water in the calorimeter was 20.25 °C, calculate the calorimeter constant (in J/K) for the coffee cup calorimeter.
2) Calculate the concentration of an aqeuous solution of Ca(OH)2 pH of 12.05.
calculate the concentration of sodium formate that must be present in a 0.10 M solution of formic acid to produce a buffer with a pH of 3.80
write the net ionic equations for the reactions involved in the testing of each of the following anions
Why is gravity filtration and not suction filtration used to remove suspended impurities
Calculate the rms (average) speed of PH3 atoms or molecules at 123 oC. Use R = 8.314 kg-m2/K-s2-mol for the value of the gas constant. The average speed of a PH3 atom/molecule at 123 oC is 539 m/s.
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