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The rate of the reaction of methyl ethyl acetate with hydroxide to form acetate ion and ethanol as shown in the following reaction, CH3COOC2H5(aq) + OH-(aq) => CH3COO-(aq) + C2H5OH(aq) was measured at several temperatures and the following data were collected:
Temp. (Degrees C) Rate Constant k (M-1s-1)
15 0.0521
25 0.101
35 0.184
45 0.332
Using this data, graph In k versus 1/T. Using your graph, determine the value of Ea.
Calculate the expected vapor pressure at 25 OC for a solution containing 158.0 g of nonelectrolyte sucrose (MW = 342.3 g/mol) in 643.5 mL of water. At 25 OC, water has a density of 0.9971 g/mL and its vapor pressure is 23.76 torr.
Suppose the maxium pressure the vessel can safely with stand id 1.60 atm. what is the maxium temperature in K the gas can have before its pressue might burst the vessel
At a certain temperature, the half life of SO2Cl2 is 7.5 x 10^2 min. Consider a sealed flask with 122.0 g of SO2Cl2. How long will it take to reduce the amount of SO2Cl2 in the sealed flask to 45.0g?
If the inital and final volume readings from a buret are 0.27mL and 28.34mL, respectively, what is the volume dispensed from the buret? What is the volume per drop if 574 drops were dispensed
Explain how you would prepare 500.0mL of a solution that is 0.100M H2SO4 from concentrated 18.0M H2SO4, which is a liquid density 1.82 g/mL.
If the Ka of a monoprotic weak acid is 1.4 × 10-6, what is the pH of a 0.33 M solution of this acid
For an ensemble consisting of a mole of particles having two energy levels separated by 1000. cm-1, at what temperature will the internal energy equal
an organic compound containing only c h and n yields the following data. i. complete combustion of 35.0mg of the
a solid block of exactly 100.0 cm3 has a mass of 153.6g. Determine its density. will the block sink or float in water
What is the major organic product formed when an ozonide is treated with dimethyl sulfide (CH3)2S formaldehyde, butanal, or dimethyl sulfoxide and why
a reaction of clacium phosphate and sulfuric acid results in calcium sulfate and phosphoric acid. if 250 grams of
A 25.0 mL sample of a solution of the weak base aniline, C6H5NH2, requires 25.67 mL of 0.175 M HCl to reach the equivalence point. (Kb for aniline = 4.0 x 10-10)
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