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  1. what does (aq) (s) (l) (g) stand for?

    A) (aq)-solid
    B) (aq)-liquid
    C) (aq)-aqueous (l)-liquid (s)-solid (g)-gas
    D) (s)-gas
    C) (aq)-aqueous (l)-liquid (s)-solid (g)-gas
    (this multiple choice question has been scrambled)
  2. is oxidation the loss or gain of electrons?

    A) loss
    B) (s)-gas
    C) (aq)-solid
    D) (aq)-liquid
    A) loss
    (this multiple choice question has been scrambled)
  3. how many types of elements in Al2(SO4)3
    3
  4. how many atoms in total in Al2(SO4)3
    17
  5. how many atoms of each type in Al2(SO4)3
    Al-2 O-13 S-3
  6. what is a mole?
    the mole is the unit for the amount of substance. one mole of anything contains contains the same number of things.
  7. what does OILRIG stand for?
    • O-oxidation
    • I-is
    • L-loss
    • R-reduction
    • I-s
    • G-gain
  8. what does the relative mass of potassium nitrate add up to in total?
    • (1xk) (1xn) (3xo)
    • (1x39) (1x14) (3x16)
    • =101
    • (1xk) (1xn) (2xo)
    • (1x39) (1x14) (2x16)
    • =85
  9. what is the balanced equation for potassium nitrate?
    2KNO3--> 2KNO2=O2
  10. is oxygen exothermic or endothermic?
    exothermic
  11. what is the balanced equation for aluminium oxide?
    2Al+Fe2O3-->Al2O3+2Fe
  12. what is a redox reaction?
    • a redox reaction is a reaction in which reduction and oxidation happens at the same time. in terms of transfer of oxygen;
    • reduction is the loss of oxygen from a substance,
    • oxidation is the gain of oxygen from a substance.

Card Set Information

Author:
charliejo
ID:
331359
Filename:
c3
Updated:
2017-05-11 13:55:03
Tags:
chemistry
Folders:
science
Description:
revision
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