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After 24.9 g benzoic acid, 17.9 mL of methanol, and a trace of anhydrous sulfuric acid are refluxed together, 3.4 g benzoic acid are recovered from the final mixture. What is the equilibrium constant for this reaction based on benzoic acid?
After 20.1 g benzoic acid, 18.6 mL of methanol, and a trace of anhydrous sulfuric acid are refluxed together, 11.5 g methyl benzoate are recovered from the final mixture. What is the equilibrium constant for this reaction based on methyl benzoate?
If Keq for the Fischer esterification of benzoic acid with methanol = 10, what is the percent conversion after an equimolar mixture of benzoic acid and methanol comes to equilbrium?
When determining Keq for the Fischer esterification of benzoic acid with methanol, how will your calculation be affected if you lose crystals of benzoic acid on the filter paper during vacuum filtration?
With reference to relevant clinical analytes, discuss the use of immunoassay within clinical biochemistry.
what concentration of nitrogen oxide is the rate 2.0x10^-6 mol/L-min and the bromine concentration one fourth of the nitrogen oxide concentration?
What is the volume of a 2.3M NaOH solution required to titrate 23.5 mL of a 1.00 M H2SO4 solution? First write a balanced chemical equation
What is the most likely reason OSHA requires ammonium nitrate to be segregated for sulfur or finely divided metals? Explain your answer.
Rank the enthalpy of solution from most exothermic to most endothermic. To rank items as equivalent, overlap them.
The temperature of a 2.25 L sample of gas decreases from 35C to 20C. What is the new volume?
.At 25°C and 1.0 atm, 0.25 g of a gas dissolves in 1.00 L of water. What mass of the gas dissolves in 1.00 L of water at 25°C and 3.0 atm?
explain Why this separation occur and which solvent will be on top - the temperature of twenty degree Celsius. When hexane is added with H 2 O, there is a separation
choose from among the following: disulfide bond, salt bridge, hydrogen bonding or dispersion forces. A) glutamic acid and lysine B) tyrosine and lysine C) Ile and Ala D) two cysteines
If one were to perform carbon dating on living clams instead of getting a zero age ( they are in fact living) one would get an age of approximately 400 years old for these living clams.
A solution is made by mixing 50.0 ml of a HCl (aq) solution which has a pH of 3.00 with 50.0 ml of a KOH solution which has a pH of 12.00.
An electron is confined to a one-dimensional box of length L. It falls from the second energy level to the ground state, and releases a photon with a wavelength of 322 nm. What is the length of the box?
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