Types of Chemical Reactions & Stoichiometry

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  1. 1. Mole ratios are obtained from the ________ Chemical Equation
  2. 6. In the reaction N₂ + 3 H₂ → 2 NH₃, how many grams of NH₃ will be produced from 14.0 g of N₂? (Use molar mass: N₂ = 28.0 g/mol, NH₃ = 17.0 g/mol)
  3. 9. A __________ reaction occurs when reactants form products in a definite proportion.
  4. 10. The study of the quantitative relationships in chemical reactions is called __________.
  5. 12. A reaction in which two compounds exchange ions to form two new compounds is called a __________ reaction.
  6. 15. to Two What is the mole ratio of Iron to Iron Oxide and the following reaction: 4 Fe + 3 O₂ → 2 Fe₂O₃
  7. 16. The unit for atomic and molecular masses is the __________.
  8. 18. A reaction where one compound breaks down into two or more products is a __________ reaction.
  9. 19. How many grams of NH₃ are produced from 42 g of N₂ in the reaction: N₂ + 3 H₂ → 2 NH₃?
  10. 20. To convert between grams and moles, you use the ___________ of a substance.
  11. 21. A precipitate is a __________ that forms in a double replacement reaction.
  12. 22. How many grams of K₂O are produced from 78 g of K in the reaction:4 K + O₂ → 2 K₂O?
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  1. 2. A balanced chemical equation follows the Law of __________ of Mass.
  2. 3. The element that is always present in combustion reactions is _______
  3. 4. The burning of propane in oxygen is an example of a __________ reaction.
  4. 5. The number in front of a compound in a balanced equation is the __________.
  5. 6. A reaction where an element replaces another element in a compound is called a __________ reaction.
  6. 7. The sum of atomic masses in a compound gives its __________ mass.
  7. 8. In the equation C₃H₈ + 5 O₂ → 3 CO₂ + 4 H₂O, how many moles of CO₂ are produced when 4 moles of C₃H₈ react?
  8. 9. In a combustion reaction, the two main products are __________ and water.
  9. 11. A reaction where a hydrocarbon reacts with oxygen to produce carbon dioxide and water is called __________.
  10. 13. In the reaction 4 Al + 3 O₂ → 2 Al₂O₃, how many grams of Al are needed to produce 102 g of Al₂O₃? (Molar mass: Al = 27.0 g/mol, Al₂O₃ = 102.0 g/mol)
  11. 14. According to the reaction: 2 H₂ + O₂ → 2 H₂O, if you have 3 moles of hydrogen gas, you will produce ___________ moles of water.
  12. 17. A reaction where two or more substances combine to form a single product is called a __________ reaction.