Curriculum
Course: AP CHEMISTRY
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AP CHEMISTRY

1. Atomic Structure and Properties

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2. Compound Structure and Properties

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3. Properties of Substances and Mixtures

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4. Chemical Reactions

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5. Kinetics

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6. Thermochemistry

0/26

7. Equilibrium

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8. Acids and Bases

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9. Thermodynamics and Electrochemistry

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Quiz

7.7 Calculating Equilibrium Concentrations – Check yourself

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Calculating Equilibrium Concentrations AP Chemistry check yourself quiz: free practice for AP Chemistry. Work through this Calculating Equilibrium Concentrations AP Chemistry check yourself quiz and get instant feedback on every answer. If you get stuck, review the 7.7 Calculating Equilibrium Concentrations — Notes lesson. More practice: AP Chemistry — all units. Syllabus: College Board ap chemistry course page.

  • Questions count: 4
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Which statement best describes Unknown x?
Which statement best describes Unknown x?
Change in concentration from ICE table.
Sometimes needed to solve for x.
Substitute back to verify K.
If K is small, ignore x in (C − x).
2.
Which key term matches this description: "Approximation valid if x < 5% of initial."
Which key term matches this description: "Approximation valid if x < 5% of initial."
Perfect square
Check
5% rule
Quadratic
3.
Which statement best describes Check?
Which statement best describes Check?
Approximation valid if x < 5% of initial.
Substitute back to verify K.
Sometimes needed to solve for x.
Change in concentration from ICE table.
4.
Complete the statement: For small K you can often assume ______ − x ≈ ______.
Complete the statement: For small K you can often assume ______ − x ≈ ______.
Quadratic
Check
Perfect square
C
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Part of 7. Equilibrium — see every lesson and quiz in this unit.
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