307 Chapter 3 Reading Guide 3.1 (14pts)
  • Write all answers in your bound journal
  • Make it NEAT and in COMPLETE SENTENCES, clearly identify which section you are working (using numbers)
  • Box final answers if doing math.
  • -4pt if you do not title and date the entry
  • -1pt (per infraction) if you do not clearly identify the sections, or number the problems

 
Answer each question completely (include equations and drawings when asked)
  1. Who came up with Stoichiometry and in what year was it established?
  2. What part of Dalton's Atomic Theory gave way to Stoichiometry?
  3. Give the equation for the formation of water,and circle the products and box the reactants.
  4. What are the numbers in front of the formulas called? What do they represent?
  5. Why it the number "1" left out of the equation?
  6. How many Hydrogen and Oxygen are on each side of the equation?
  7. How many Mg, O, and H,are represented by the notation 3Mg(OH)2?
  8. A balanced chemical equation should contain the ____________ possible _______-number ___________.
  9. If you change the __________ in a formula you change the identity of the substance.
  10. However when you change the _________ of the formula you change the amount.
  11. NEVER CHANGE THE _______________ WHEN BALANCING AN EQUATION.
  12. Write equation [3.2] on page 79
  13. Illustrate what happens in this equation
    using a circle diagram like this
  14. What do (g), (l), (s), and (aq) represent in a chemcial equation?