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How would you change the procedures in the chapter"Dibenzalacetone by the Aldol Condensation Reaction" if you wished to synthesize benzalacetone instead? How aboutBenzalacetophenone?
A solution (S1) of Yellow #5 has an absorbance far outside the linear region of Beer's Law. In order to determine the concentration of this solution, a serial dilution is performed. To make S2, 10 ml of S1 is diluted to 100 mL.
The density of silver is 10.5g/cm3 what is the volume im cm 3 of an ingot of silver with mass 0.743 kg. If this sample of silver is a cube how long in each edge in cm
Jacob carelessly added only 40.0 mL (instead of the recommended 50.0 mL) of 1.1 M HCl to the 50.0 mL of 1.0 M NaOH. Explain the consequence of the error.
the steam distillate contains a significant quantity of water, along with the cyclohexanone. how is the water removed from the steam distillate?
A researcher determines that 744 J of energy needed to vaporize a 355-mg sample of a liquid at its boiling point. Determine the heat of vaporization and heat of condensation of the substance
A sample of oxygen at 65°C under a pressure of 800 torr occupies 425 mL. What volume would it occupy at standard conditions
calculate delta H1 and delta H2 and heat capacities of the calorimeter plus salt solution.
Consider the titration of 50.0 mL of 0.217 M hydrazoic acid (HN3) (Ka = 2.6 x 10-5) with 0.183 M NaOH. determine the pH of the solution before any NaOH is added ?
A liquid has a change in enthalpy of vaporization of 35.0Kj/mol and a boiling point of 137c . what is the vapor pressure at 109c
A steam power plant operates on the cycle of fig. 8.4. For one of the following sets of operating conditions, determine the steam rate, the heat transfer rates in the boiler and condenser and the thermal efficiency of the plant.
Consider the oxidation of sodium metal to sodium oxide described by the balanced equation
Is the reaction spontaneous?
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