Read the chemical equation.
n2 + 2h2 > 2nh3
using the volume ratio, how many liters of nh3 is produced if 4.2 liters of h2 reacts with an excess of n2, if all measurements are taken at the same temperature and pressure?
a. 2.8 liters
b. 3.2 liters
c. 5.4 liters
d. 6.3 liters

What is the molar mass of babr2? a. 217.2 g/mol b. 297.1 g/mol c. 354.5 g/mol d. 434.4 g/mol

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?

If two objects at different te,peraure are in contact with each other what happens to their temperature