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Calculate the freezing point depression expected for 0.0711m aqueous solution of Na 2SO4 . If this solution actually Freezes at ?0.320°C, what would be the value of van't Hoff factor?(Kffor water is 1.86°C mol-1).
Explain if the yield from the reaction of acetic acid with isopentyl alcohol is 45%, explain how many grams of isopentyl acetate are formed from 3.68 of acetic acid and 4.66 of isopentyl alcohol. State the reaction is: CH3CO2H + C5H12O---> C7H14O2..
Explain what is the empirical formula of the compound if you find that 0.105 g of the compound gives 0.257 g of CO2 and 0.0350 g of H2O when burned completely.
For each of the subsequent reactions, indicate which substance is oxidized and which reduced. Explain which substance is the oxidizing agent and which is the reducing agent
Compound A reacts with methylmagnesium bromide to give, after hydrolysis, compound B. Reaction of B with sodium dichromate gives C, C5H10O, which gives a crystalline product with 2, 4-dinitrophenylhydrazine and a positive iodoform test. Explain yo..
you are back at your plant the monday after the dangerous when wet leaking tanker incident happened and you are telling
Describe or give examples of the following types of reactions. identify the reactants and products according to type eg . alcohol, ester etc.,
Calculate the amount of antimony in the sample and its percentage in the ore.
When the gas is not flowing, the pressure is the same everywhere in the pipe. How high above the bottom of the manometer would the mercury be in the arm connected to the pipe?
what is the easiest way to identify the structure of a molecule from a H-NMR spectra?
A solution is known to contain Bi3+ ion or Cd2+ ion or both. Describe the test(s) that could be used to seperate and identify these ions. Describe the results you would expect to see for each ion, if that ion were present.
The metal aluminum is made commercially from al2o3. what weight of Al goes 1.00kg of this metal oxide contain
Determine the equilibrium constant for the system N2O4 2NO2 at 25 degrees C. The concentrations are shown here: [N2O2] = 3.78 x 10^-2 M, [NO2] = 1.41 x 10^-2 M.
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