Chemistry, 13.01.2021 15:30 delaneyjane2035
18. For each of the excited state electron configurations given below, identify the corresponding element and then provide two more possible excited state configurations. a) 1s 22s 12p 2 b) 1s 22s 22p 2 3s 23p 1c) 1s 22p 2
Answers: 3
Chemistry, 21.06.2019 15:00
1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )
Answers: 1
Chemistry, 22.06.2019 05:00
You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?
Answers: 2
Chemistry, 22.06.2019 14:30
In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never
Answers: 2
18. For each of the excited state electron configurations given below, identify the corresponding el...
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