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Calculate the pH of a solution prepared by mixing 15.0mL of 0.10M NaOH and 30.0mL of 0.10M benzoic acid solution. (Benzoic acid is monoprotic; its dissociation constant is 6.5x10^-5.)
construct molecular models of threo- and erythro-2,3-dibromo-3-phenylpropanoic acid and show which diastereomer would be formed by anti addition of bromine to trans-cinnamic acid
The strength of a bottle of vinegar was determined by adding potassium carbonate to a 20 ml sample of vinegar until bubbling ceased. The amount potassium carbonate added at the point the bubbling ceased was 1.134 grams. What is the concentration o..
Draw the kekule structure of each of the following compounds. if cis/trans isomers exist, draw both and indicate the geometry of each.
Write a balanced equation of reaction. Carbon monoxide gas and oxygen gas combine to form carbon dioxide gas. Also, identify all the phases in the reaction.
If you have 100 g of Na and 50 g of H20 to perform the following reaction, how many grams of NaOH(aq) will you produce
What happens when an inert gas is added to an equilibrium state with out change in pressure. why
Calculate the freezing point of a 0.08500 m aqueous solution of NaNO3. The molal freezing point depression constant of water 1.86 degrees C/m.
The combustion of carbon with excess oxygen forming carbon dioxide is exothermic. C(s) + O2(g) => CO2(g) ?Hrxn = -393 kJ If 5,284kJ of heat is needed from the combustion, how much carbon (g) must be consumed
Use stereoformulas to show that (S)-benzoin reduces to meso-hydrobenzoin.
The choice of precipitating reagent is important. Briefly explain what the consequences would be if excess 6M NaOH solution instead of 6M NH3 solution were used to separate Fe3+ and Al3+ ions from Ca2+, Cu2+, and K+ ions at pH 9-10.
The solubility product constant of Sr(IO3)2 is 1.14 × 10?7. What volume of 0.0485 M S2O32 is required to titrate a 15.0 mL sample of a saturated solution Sr(IO3)2
Light with a frequency of 7.11 x 10 -14 Hz lies in the violet region of the visible spectrum. What is the wavelength of this frequency of light? Answer in units of nm.
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