The graph shows two runners participating in a race. Daniela (5,10) Leonard (0,10) which best describes the runners? A Daniela had a 5 m Headstart, and Leonard caught up to her at 25 m
B Daniela ran faster then Leonard The entire race.
C Daniela gave Leonard a 5 m headstart and caught up with him at 25 m
D Daniela went slower than Leonard, but she went past her at the end

In an energy pyramid, which level has the most available energy?

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

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?