How many liters of nitrogen gas at STP will be produced when 30.0 g of hydrogen is
produced.
2NH3(g) --> N2(g) + 3H2(g)

What’s the percent by mass of carbon in c10h14n2

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

What happens to the concentration of hydronium ions as the ph of a solution increases? a. hydronium ion concentration stays the same b. hydronium ion concentration decreases c. hydronium ion concentration increases