- 1. 2HgO --> O2 + 2Hg If 50.0g grams of mercury(II) oxide are fully decomposed, how many grams of oxygen will be produced?
- 2. 2B + 3H2 --> 2BH3 How many grams of boron trihydride would be produced if 15.0 grams of hydrogen gas were reacted with an excess of boron?
- 3. NaOH + HNO3 --> NaNO3 + H2O Sodium hydroxide (NaOH) neutralizes nitric acid (HNO3) according to the equation above. How many grams of sodium hydroxide would be required to completely neutralize 40.0 grams of nitric acid?
- 4. C5H12 + 8O2 --> 5CO2 + 6H2O Pentane gas burns in the presence of oxygen. If 125 grams of pentane were combusted with an excess amount of oxygen, how many grams of water would be produced?
- 5. 2Al + 3CuSO4 --> Al2(SO4)_3 + 3Cu How many grams of copper would be produced if 65.0 grams of aluminum was reacted with an excess of copper (II) sulfate?
- 6. C6H12O6 --> 6C + 6H2 +3O2 If 5.0 moles of oxygen were produced from the reaction shown above, how many moles of carbon would be produced?
- 7. C6H12O6 --> 6C + 2H2 +3O2 How many moles of hydrogen would be produced from the decomposition of 2.5 moles of glucose?
- 8. C7H16 + 11O2 --> 7CO2 + 8H2O How many moles of carbon dioxide would be produced if 5.0 moles of oxygen were used to combust heptane?
- 9. C7H16 + 11O2 --> 7CO2 + 8H2O If 6.0 moles of carbon dioxides were produced in this reaction, how many moles of water were also produced?
- 10. Fe + O2 --> Fe2O3 (NOT BALANCED) How many moles of oxygen would be needed to completely react with 5.0 moles of iron?
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