Nitrogen gas reacts with oxygen gas according to the equation below (It is not balanced). If 15.0 L of nitrogen are reacted with an excess of hydrogen, how many liters of ammonia (NH3) will be produced, if the reaction occurs at STP?

H2(g) + N2(g) > NH3(g)

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both