Which of the following best describes Pangaea?
the process by which plates move
the sev...
Chemistry, 12.12.2020 16:40 pattydixon6
Which of the following best describes Pangaea?
the process by which plates move
the seven continents that we know now
a giant landmass that existed over 250 million years ago
an area on Earth that contains a ring of volcanoes
Answers: 2
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 18:10
Areader can tell that the meaning of “obnoxious” will include “having the quality of something” because of the .a) prefix b)pronunciation c)suffix d) word root
Answers: 3
Health, 17.10.2019 11:30
Mathematics, 17.10.2019 11:30
English, 17.10.2019 11:30
Health, 17.10.2019 11:30
Health, 17.10.2019 11:30
Geography, 17.10.2019 11:30
Arts, 17.10.2019 11:30
History, 17.10.2019 11:30
Business, 17.10.2019 11:30
English, 17.10.2019 11:30