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Problem- Two equivalents of ethyllithium are necessary in order to react with one equivalent of acetic acid in order to produce one equivalent of 2-butanone. Why are two equivalents of ethyllithium necessary? What is the other organic product in this reaction?
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What was the concentration, in mol/L and mg/L, of Cu^2+ and Zn^2+ in the original solution? If the solution was prepared by dissolution of 0.654 g of brass in 250.00 mL solution, what the percentage of copper and zinc in the original sample of bra..
Explain an isolated chamber with rigid walls is divided into two equal compartments, one containing steam at 10bar and 3700C as well as the other evacuated. A valve between the compartments is opened to allow steam to pass from one chamber to the ..
boron has two stable isotopes with masses of 10.01294 u and 11.00931 u. the average molar mass of boron is 10.81 u.
What is methanol's vapor pressure It boils at 65.0 °C and has a heat of vaporization ΔHvap = 37.4 kJ/mol. at 22.0 °C?
Carbonate buffers are important in regulating the pH of blood at 7.40. If the carbonic acid concentration in a sample of blood is 0.0012 M, determine the bicarbonate ion concentration required
A local radio station can be tuned in by dialing your radio to a frequency of 101.5 MHz. Calculate the energy of the wave.
Calculate the heat released (in kilojoules) per gram of the compound reacted with oxygen. The standard enthalpy of formation of benzene is 49.04 kJ/mol.
The second is defined as the time it takes for 9,192,631,770 wavelenght of a certain transition of the cesium-133 atom to pass a fixed point.
The element bromine was first prepared by oxidation of aqueous potassium bromide with solid manganese(IV) oxide. Write a balanced net ionic equation for the reaction in aqueous acidic solution
Arrange the following from the smallest number of representative particles to the largest number of representative particles.
A 12.0-g sample of ice at -19.0°C is mixed with 115.0 g of water at 72.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
The vapor pressure of water at 20 degrees celcius is 17.5 mmHg. What is the vapor pressure of water over a solution prepaired from 2.00 g of surcrose(C6 H22 O11) and 3.50g of water
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