Ammonia gas decompses to form nitrogen and hydrogen gases. NH3(g) → N2(g) + 3H2(g) If the nitrogen gas is collected in a rigid 2 liter metal cylinder at 22oC at 2.00 X 103 kPa pressure, how many moles of nitrogen gas (N2) does the cylinder contain? A) 1.63 moles B) 1.35 X 10 moles C) 1.42 X 102 moles D) 1.82 X 102 moles

In this synthesis reaction what products will form

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?

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum