10. How many liters of hydrogen gas is formed when 13.5-grams of calcium reacts with sulfuric acid
(H2SO4)?
Ca + H2SO4  H2 + CaSO4
ANS: 7.56 L H2
11. Ammonia, (NH3) is produced by reacting its elements with each other according to the following
equation:
___N2 + ___H2  ___NH3
If 34.3-L of nitrogen is reacted with hydrogen, how many liters at STP of ammonia will be
formed?
ANS: 68.6 L NH3
12. 14.5-g of cesium explosively reacts with water to form hydrogen and cesium hydroxide. How
many liters of hydrogen were formed?
____Cs + ___H2O  ___H2 + ___CsOH
ANS: 1.22 L H2
13. Calculate the mass of silver needed to react with chlorine to produce 84 g of silver chloride.
___Ag + ___Cl2  ___AgCl
ANS: 63.2 g Ag
14. A volume of 7.5 L of hydrogen gas was produced from the single replacement reaction of zinc
and nitric acid (HNO3). Calculate the mass of zinc needed for this reaction.
___Zn + ___HNO3 ___Zn(NO3)2 + __H2
ANS: 21.9 g Zn
15. Calculate the volume of carbon dioxide produced when 250 g of pentane, C5H12, burn. Assume
the carbon dioxide is cooled to STP?
___C5H12 + __O2 ___CO2 + ___H2O
ANS: 388 L CO2
16. Silver Nitrate reacts with sodium chloride to make the silver chloride and sodium nitrate. When
2.53 grams of silver nitrate is reacted. How many grams of silver chloride are formed?
___AgNO3 + ___NaCl ___AgCl + ___NaNO3
ANS: 2.13 g AgCl
17. Methane (CH4) is burned in air. When 50.6 L of methane is burned how many grams of carbon
dioxide will be formed?
___CH4 + ___O2 ___CO2 + ___H2O
ANS: 99.4 g CO2