Gas Law Stoichiometry Worksheet
1) For the reaction 2 H2(g) + O2(g) à 2 H2O(g), how many liters of water can be made from 5 L of oxygen gas and an excess of hydrogen at STP?
2) How many liters of water can be made from 55 grams of oxygen gas and an excess of hydrogen at STP?
3) How many liters of water can be made from 55 grams of oxygen gas and an excess of hydrogen at a pressure of 12.4 atm and a temperature of 850 C?
4) How many liters of water can be made from 34 grams of oxygen gas and an excess amount of hydrogen gas at STP?
5) ____Na(s) + ___ Cl2(g) ___NaCl(s)
a. Balance the above reaction.
b. What volume of chlorine gas, measured at STP, is necessary for the complete reaction of 4.81 g of sodium metal.
6) ___C3H8(g) + ___O2(g) ___CO2(g) + ___H2O(g)
a. Balance the above reaction.
b. What volume of oxygen gas at 25˚C and 1.04 atm is needed for the complete combustion of 5.53 g of propane?
7) ___ K2MnO4 (s) + ___Cl2(g) ___ KMnO4 (s)+ ___KCl(g)
a. Balance the above reaction.
b. What volume of Cl2(g), measured at STP, is needed to produce 10.0 g of KMnO4?
8) ___Mg3N2(s) + ___ H2O(l) ___MgO(s) + ___NH3(g)
a. Balance the above reaction.
b. If 10.3 g of magnesium nitride is treated with 10.3 g of water, what volume of ammonia gas would be collected at 24˚C and 0.989 atm?
9) ___ Cl2(g) + ____ C2H2(g) à _____ C2H2Cl4(l)
a. Balance the above reaction.
b. What volume of Cl2 will be needed to make 75.0 grams of C2H2Cl4 at 24°C and 773 mm Hg?
10) ____ C8H18(l) + ____ O2(g) à ____ CO2(g) + ____ H2O(g)
a. Balance the above reaction.
b. How many grams of water would be produced if 20.0 liters of O2 gas were burned at a temperature of -10.0°C and a pressure of 1.3 atm?