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which one of the following represents the best method for the preparation of 3-chloro-3 ethylpentane?
a. (ch3ch2)3ch+cl2>(ch3ch2)3ccl+hcl
b. (ch3ch2)3ch+hcl>(ch3ch2)3ccl+h2
c. (ch3ch2)3ch+nacl>(ch3ch2)3ccl+naoh
d. (ch3ch2)3COH+HCL>(ch3ch2)3CCL+H20
e. (ch3ch2)3COK+Cl2>(ch3ch2)3CCL +KCL
Calculate the pH of each of the following buffered solutions. to 1.00 L of each of the four solutions. (a) 0.100 M propanoic acid (HC3H5O2, Ka= 1.3 10-5) (b) 0.100 M sodium propanoate (NaC3H5O2)
Why is this isolation so difficult? Please explain using the isoelectric point and the effect PH will have on the structure of your product
A mixture consisting of 30ml of waste and 270ml of seeded dilution water has an initial DO of 8.55mg/l; after 5 day, it has a final DO of 2.40 mg/l. Another bottle containing just the seeded dilution water has an initial DO of 8.75 mg/l
A 4.78 g sample of aluminum completely reacts with oxygen to form 6.67 grams of aluminum oxide. Use this date to calculate the mass percent composition of aluminum in aluminum oxide.
In trans-1,2-dibenzoylethylene, even though the conjugated C=O group frequency coincides directly with the expected C=C stretching fequency, we would not have expected to observe the late stretching mode in the infrared spectum. Why?
calculate the molar quantity of N2 that must be generated.What molar quantity of sodium azide is required to generate this much nitrogen?
How much energy is dissipated as heat, which is exchanged btwn the system and the heat-sink?C. What is the delta U for the above process?
If a typical antacid tablet contains 2.0 g of sodium hydrogen carbonate, how many moles of carbon dioxide should one tablet yield? 0.024 moles per tablet
an LC analysis with a 30.0cm column yields the tabulated data. what is the resolution between peaks A and B?
A 75 kg person drinks 550 g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 20% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake?
what is the concentration of oxygen in air-saturated water at 25 degrees C and .85 atm? Assume that the mole fraction XO2 is .209 and Henry's law constant for oxygen
A mixture of table salt and ice is used to chill the contents of hand-operated ice-cream makers. What is the melting point of a mixture of 2.00 lb of NaCl and 12.00 pounds of ice if exactly half of the ice melts?
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