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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

Regents and Final Exam Review

Do Now: Take out a calculator and reference tables.


Intermolecular forces
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
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
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
Potential Energy Diagrams

  • Know the parts of a potential energy diagram.


Collision theory
Collision Theory

  • What does collision theory state?


Redox reactions
Redox Reactions

  • Be able to write redox half reactions.

  • Example: Na + Cl  NaCl

  • Know how a voltaic cell works.


Titration
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
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?


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