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1) At room temperature benzoic acid dissolves in the less polar solvent, ether, but not very much in the more polar solvent, water. However, the deprotonated species, the benzoate ion, dissolves in water but not ether. What does this tell you about the relative polarity of benzoic acid compared to the benzoate ion? Justify your answer. 2) Calculate the % yield for the following reaction, based on the results regarding the synthesis of 2-iodooctane from 2-chlorooctane. Show all calculations. 2-chlorooctane + NaI ? 2-Iodooctane 100mg (excess) 75 mg
Combustion of a .2000g sample of vitamin C sample produced .2998 g of carbon dioxide and .0819 g of water. If this compound is composed of C, H, and O, then what is its empirical formula?
In which of the following are there more than eight electrons in the valence shell of the central atom?
a beaker of an acetic acid with 1.00times102ml buffer with a ph of 5.000 is sitting on a bench top. it is found that
a compound contains 10.13 c and 89.87 cl by mass. determine both the empirical formula and the molecular formula of the
Calculate the volume of glacial acetic acid (17.6M) and eight of sodium acetate (mm=82.03) that is required to make 102 mL of 0.2M buffer at ph 4.85. The Ka of acetic acid is 1.4*10^-5.
Draw and discuss the mechanism of the Diels-Alder reaction (with arrows to show the electron movements). Draw the orientation of the reacting p-orbitals and indicate how they overlap to form product.
What is the partial pressure in torr of O2 in the atmosphere that corresponds to this concentration? The Henry's law constant for O2 in water is 3.27 x 107 torr. How does this compare with the actual partial pressure of oxygen in the atmosphere
at conditions of 785.0 torr of pressure and 15.0 Celsius temperature, a gas occupies a volume of 45.5 Celsius what will be the volume of the same gas at 745.0 torr and 30.0 Celsius.
The managing director of a well-known company on Wall Street thrives on a diet of fruit jam, bread, pasta, and coffee. She exercises intermittently.
A first order reaction has an Arrhenius constant for the reaction is 9.4 x 1010 sec ^-1, and an activation energy of 64.4 kJ. At what temperature (in Celsius) is the rate constant equal to 0.472 sec^-1
A .647 L sample of hydrogen chloride (HCl) gas at 1.12 atm and 23°C is completely dissolved in 885 mL of water to form hydrochloric acid solution. Calculate the pH of the solution.
An unknown consisting of a single sugar gives a negative fermentation test. Which one of the following tests would allow you to decide which of the five sugars used in this experiment you had?
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