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Regents and Final Exam Review

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Regents and Final Exam Review

Do Now: Take out a calculator and reference tables.

- What are the different types of intermolecular forces?
- What evidence exists that some compounds have stronger intermolecular forces than others?

- 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?

- What is the formula for calculating molarity?
- Calculate the molarity of a 2.5 liter solution that contains 116g of NaCl.

- Know the parts of a potential energy diagram.

- What does collision theory state?

- Be able to write redox half reactions.
- Example: Na + Cl NaCl
- Know how a voltaic cell works.

- 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)?

- 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?