Stoichiometry volume -to- volume:

Stoichiometry volume -to- volume: 1) Determine the volume of CO2 produced when 78.4 L of C2H2 burns at STP. 2 C2H2(g) + 5 O2(g) → 4 CO2(g) + 2 H2O(g)

Stoichiometry volume -to- volume: 1) Determine the volume of CO2 produced when 78.4 L of C2H2 burns at STP. 2 C2H2(g) + 5 O2(g) → 4 CO2(g) + 2 H2O(g) 78.4 L ? L 4(22.4)L 2(22.4)L = 157 L CO2 X = = Does it make sense?

Stoichiometry mass- to- volume:

Stoichiometry mass- to- volume: Calculate the volume of ammonia produced when 42 g of dinitrogen gas react with dihydrogen gas at STP. N2(g) + 3 H2(g) 2 NH3(g) catalyst

Stoichiometry mass- to- volume: Calculate the volume of ammonia produced when 42.0 g of dinitrogen gas react with dihydrogen gas at STP. N2(g) + 3 H2(g) 2 NH3(g) 42.0 g ? L catalyst 2(22.4) L 28.02 g = 67.2 L NH3 X = = Does it make sense?

Stoichiometry mass- to- # of particles:

Stoichiometry mass- to- # of particles: How many molecules of oxygen are produced when 29.2 g of water is decomposed by electrolysis according to this balanced equation? 2H2O(l) 2H2(g) + O2(g) electricity

Stoichiometry mass- to- # of particles: How many molecules of oxygen are produced when 29.2 g of water is decomposed by electrolysis according to this balanced equation? 2H2O(l) 2H2(g) + O2(g) 29.2 g ? molecules electricity 36.04 g 6.02 x 1023 molec. = X = = 4.88 x 1023 molec. Does it make sense?