An astronomer is using a foloscope to observe several objects in the Solar System. She records her brain the chart blow Object
Description
w
object that has a "air made of frozen gas and liquid
X
rocky object that orbits a planet
Y
small and rocky object that orbits the Sun
is located between Mars and Supiter
Z
farge object that orbits the Sun and has several moons
Which of the objects described in the chart is a PLANET?
w
Ох
OY
2
1
2 3 4 5 6 7 8 9
10

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?