Name: Class: 1. Given this equation: ____ N2 + ____ H2 ____ NH3, balance it and write the following molar ratios: a) N2 / H2 b) N2 / NH3 c) H2 / NH3 2. Given the following equation: ____ H2 + ____ S8 _____ H2S, balance it and write the following molar ratios: a) H2 / H2S b) H2 / S8 c) H2S / S8 3. Given the following equation: ____H2 + ____O2 ____H2O, balance and write the following molar ratios: a) What is the H2 / H2O molar ratio? b) Supposed you had 20 moles of H2 on hand and plenty O2, how many moles of H2O could you make? c) What is the O2 / H2O molar ratio? d) Supposed you had 20 moles of O2 on hand and enough H2, how many moles of H2O could you make? 4. You have already balanced ____N2 + ____H2 ____NH3 a) If you used 1 mole of N2, how many moles of NH3 could be produced? b) If 10 moles of NH3 were produced, how many moles of N2 would be required? c) If 3 moles of H2 were used, how many moles of NH3 would be made? d) If 0.6 moles of NH3 were produced, how many moles of H2 are required? 5. ____AlF3 + ____O2 ____Al2O3 + ____F2 6. a) 20 moles of AlF3, will produce ____________ moles of F2. b) ________ moles of AlF3 will react with 0.6 moles of O2. ____C3H8 + ____O2 ____CO2 + ____H2O a) How many moles of oxygen react with 11 moles of C3H8? b) How many moles of CO2 are produced if 3.5 moles of water are produced? 7. ____O2 + ____Fe ____Fe2O3 a) ____ moles of oxygen gas react with ____ moles of iron to produce ____ Fe2O3 b) ______moles of O2 are required to produce 3.0 moles of Fe2O3