Criticize the following techniques and give the corrective action(s): (a) Refluxing a mixture that contains diethyl ether using a Bunsen burner.
(b) Refluxing a mixture that contains a large amount of toluene using a hot water bath.
(c) Using a mercury thermometer that is inserted into an aluminum block on a hot plate.
(d) Running a reaction with tert-butyl alcohol (2-methyl-2-propanol) that is cooled to 0°C
in an ice bath.

Listenbase your answer to the question on the information below. nuclear radiation is harmful to living cells, particularly to fast-growing cells, such as cancer cells and blood cells. an external beam of the radiation emitted from a radioisotope can be directed on a small area of a person to destroy cancer cells within the body. cobalt-60 is an artificially produced radioisotope that emits gamma rays and beta particles. one hospital keeps a 100.0-gram sample of cobalt-60 in an appropriate, secure storage container for future cancer treatment. which choice represents the correct product for the beta decay of the co-60? fe-60ni-60fe-61ni-61

Rank substituents in order of their priority when assigning the e or z label to an alkene. i, ch2i , h, ch2ch2cl, f

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.