Regents and Final Exam Review

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Regents and Final Exam Review. Do Now: Take out a calculator and reference tables. Intermolecular Forces. What are the different types of intermolecular forces? What evidence exists that some compounds have stronger intermolecular forces than others?. Lewis Dot Diagrams.

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Regents and Final Exam Review

Do Now: Take out a calculator and reference tables.

Intermolecular Forces
• What are the different types of intermolecular forces?
• What evidence exists that some compounds have stronger intermolecular forces than others?
Lewis Dot Diagrams
• How do we draw dot diagrams for elements such as H, Cl, or Xe?
• How do we draw diagrams for compounds such as NaCl or H2O?
Molarity
• What is the formula for calculating molarity?
• Calculate the molarity of a 2.5 liter solution that contains 116g of NaCl.
Potential Energy Diagrams
• Know the parts of a potential energy diagram.
Collision Theory
• What does collision theory state?
Redox Reactions
• Be able to write redox half reactions.
• Example: Na + Cl  NaCl
• Know how a voltaic cell works.
Titration
• What is the titration formula?
• If a 10mL sample of HCl(aq) is completely neutralized by 50mL of 0.25M NaOH(aq) what is the molarity of the HCl(aq)?
Chemical Reactions
• Know how to write a chemical formula.
• Example: Iron III Oxide
• Example: Copper II Sulfide
• Know how to balance an equation.
• Example: H2 + O2 H2O
• Remember the law of conservation of mass and energy. If it takes 4.0g of H2 to make 18g of H2O, how much O2 is used?