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1. Briefly explain the role played by the phase transfercatalyst in the oxidation Reaction performed on acetophenone?
2. Explain why the reaction mixture was cooledbefore addition of the sodium metabisulfite?
3. Explain why sodium metasulfite was added to the reactionmixture?
4. Explain why, during the addition of soduim metasulfite, the reactionmixture was tested with starch-iodide paper?
5. explain why acidification to pH2 and cooling was necessary to isolate the final product?
A sample of gas is collected over water at a temperature of 35.0C when the barometric pressure reading is 763 torr. What is the partial pressure of the dry gas, given PH2O =42.2 torr?
How much heat must be supplied to 38 g of ice at -22°C to convert it to steam at 147°C? (Specific heats: ice = 2.0 J/g·°C; water = 4.2 J/g·°C; steam = 2.0 J/g·°C. Molar heat of fusion of water at 273 K = 6.01 kJ/mol. Molar heat of vaporization of ..
Compartment A (1M NaCl) and compartment B (1 M K2SO4) are separated by a semipermeable membrane. In which compartment will the concentration of solute increase as a result of diffusion of water across the membrane
The cup is a volume widely used by cooks in the U.S. One cup is equivalent to 225 cm3. If 1 cup of olive oil has a mass of 205 g, what is the density of olive oil in g/cm3?
At 700 K, the equilibrium constant for the reaction CO(g) + H2O(g) ? CO2(g) + H2(g) is 5.10. What is G for the reaction at the specific temperature
The heat capacity for liquid water is 4.18 j/g . C, and the heat of vaporization is 40.7 kJ/mol. How many joules of heat must be provided to convert on gram of liquid water at 67 degrees C into one gram of steam at 100 degrees C?
A metal forms the fluoride MF2. Electrolysis of the molten fluoride by a current of 3.86 A for 16.2 minutes deposits 1.07 (backwards "g") of the metal.
Show the terminal alkyne and alkyl halide from which the following products can be obtained. If two routes look freasible, list both
calculate the quantity of heat in calories release when 241.62 g of water is cooled from 80.6degc to
Explain why alcohols such as ethanol and propanol are soluble in water, butanol is moderately soluble and pentanol is slightly soluble
If the average kinetic energy of a gas is doubled and the volume remains constant, what is the change in pressure
Solid CO2 (dry ice) forms a molecular crystal that sublimes at -78oC. SiO2 forms a network solid that melts at about 1200oC. Which of the following accounts for this striking difference in properties
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