Use the balanced chemical equations to solve the following problems N2 (g) + 3 H2 (g) → 2 NH3 (8)
How many moles of hydrogen gas are needed to completely react with two moles of nitrogen gas?

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)

How many moles of oxygen gas are produced from the decomposition of six moles of potassium