Chemistry II F13 Final Exam

35 Questions | Total Attempts: 141

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Chemistry Quizzes & Trivia

Good luck on your final!


Questions and Answers
  • 1. 
    An example of phosphorescence would be
    • A. 

      An LED

    • B. 

      Overhead lights

    • C. 

      Glow-in-dark stars

    • D. 

      Flashlight

  • 2. 
    When vinegar and baking soda are reacted, the mass of the products are
    • A. 

      More than the starting materials

    • B. 

      Less than the starting materials

    • C. 

      Same as starting materials

  • 3. 
    A redox reaction shows the flow of _________.
    • A. 

      Protons

    • B. 

      Neutrons

    • C. 

      Electrons

    • D. 

      Antimatter

  • 4. 
    An exothermic reaction would feel _____ to the touch.
    • A. 

      Hot

    • B. 

      Cold

    • C. 

      Fuzzy

    • D. 

      Smooth

  • 5. 
    When water freezes (liquid to solid) , entropy
    • A. 

      Increases

    • B. 

      Decreases

    • C. 

      Stays the same

  • 6. 
    To balance the reaction ____Fe + ___O2 --> ___Fe2O3 the correct coefficients are
    • A. 

      4, 3, 2

    • B. 

      4, 2, 3

    • C. 

      3, 2, 4

    • D. 

      3, 4, 2

  • 7. 
    How many N's in    4 C3H5(NO3)3
    • A. 

      1

    • B. 

      3

    • C. 

      12

    • D. 

      24

  • 8. 
    In the metal activity series, Mg is ABOVE Zn. If I want a reaction to occur between Mg & Zn, the solid would have to be
    • A. 

      Mg

    • B. 

      Zn

    • C. 

      Both Mg & Zn

    • D. 

      Neither

  • 9. 
    When atoms absorb energy, the electrons move to a(n) __________ state.
    • A. 

      Excited

    • B. 

      Ground

    • C. 

      Middle

  • 10. 
    The smaller wavelengths of light have a ___________ energy level.
    • A. 

      Lower

    • B. 

      Higher

    • C. 

      Non-existent

  • 11. 
    What happens to the temperature of a material while it boils?
    • A. 

      Increases

    • B. 

      Decreases

    • C. 

      Stays the same

    • D. 

      Takes an absolute value

  • 12. 
    Reduction is when ___________ are ___________.
    • A. 

      Electrons, gained

    • B. 

      Electrons, lost

    • C. 

      Protons, gained

    • D. 

      Protons, lost

  • 13. 
    To be conduction, a solution must have ions that
    • A. 

      Are electrons

    • B. 

      Are protons

    • C. 

      Can move

    • D. 

      Can glow

  • 14. 
    A statement of the Kinetic Molecular Theory is that gases
    • A. 

      Are clear

    • B. 

      Are mostly odorless

    • C. 

      Move in constant rapid random motion

    • D. 

      Have no mass

  • 15. 
    The dissolved salt in the ocean is an example of
    • A. 

      A distillation

    • B. 

      A filtration

    • C. 

      A solute

    • D. 

      A solvent

  • 16. 
    When the amount of gas and pressure are constant, when the temperature decreases the volume of the balloon
    • A. 

      Goes up

    • B. 

      Goes down

    • C. 

      Stays constant

  • 17. 
    Making sure an instrument makes exact (accurate) measurements is an example of performing a
    • A. 

      Chromatography

    • B. 

      Distillation

    • C. 

      Filtration

    • D. 

      Calibration

  • 18. 
    The difference in charges on the atoms in a water molecule causes OTHER water molecules to bond through a
    • A. 

      Polar-covalent bond

    • B. 

      Covalent bond

    • C. 

      Polar bond

    • D. 

      Hydrogen bond

  • 19. 
    What are  2 requirements for a combustion reaction to occur?
    • A. 

      Fuel & oxygen

    • B. 

      Fuel & hydrogens

    • C. 

      Carbon dioxide & oxygen

    • D. 

      Water & oxygen

  • 20. 
    Three ways to denature proteins include:
    • A. 

      Heat, water & salt

    • B. 

      Heat, water & pectin

    • C. 

      Heat, acid & salt

    • D. 

      Heat, salt & pectin

  • 21. 
    When proteins are denature, they ______________.
    • A. 

      Clump up like a glob

    • B. 

      Become cystalline

    • C. 

      Unravel

    • D. 

      Break all bonds

  • 22. 
    Heat is defined as
    • A. 

      The amount of kinetic energy

    • B. 

      The amount of potential energy

    • C. 

      The amount of hotness

    • D. 

      The amount of coldness

  • 23. 
    Cooking an egg in a frying pan (egg TOUCHING pan) is an example of
    • A. 

      Conduction

    • B. 

      Convection

    • C. 

      Radiation

    • D. 

      Emulisification

  • 24. 
    Food coloring mixes easily with water because it is
    • A. 

      Hot

    • B. 

      Cold

    • C. 

      Hydrophobic

    • D. 

      Hydrophillic

  • 25. 
    If I stick a metal skewer (stick) into a potato, the amount of cooking time required  will
    • A. 

      Decrease

    • B. 

      Stay the same

    • C. 

      Increase

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