BI 253 Lab 1st quiz

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Author:
medic11
ID:
170047
Filename:
BI 253 Lab 1st quiz
Updated:
2012-09-10 14:10:24
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BI 253 Lab
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1st quiz material
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  1. A Kg is equal to how many grams?
    1x10³ grams
  2. A mg is equal to how many grams?
    1x10⁻³ grams
  3. A microgram is equal to how many grams?
    1x10⁻⁶ grams
  4. A ng is equal to how many grams?
    1x10⁻⁹
  5. A cm is equal to how many meters?
    1x10⁻²
  6. What is the conversion for ⁰F --> ⁰C?
    ⁰F = 1.8C + 32
  7. What is the conversion for ⁰C --> ⁰F?
    ⁰C = ⁰F-32/1.8
  8. The ____ variable goes on the Y axis.
    Dependent
  9. The ____ or ___ variable goes on the X axis.
    • Manipulated
    • Independent
  10. A discrete variable has ___ ___ & employs a ___ graph.
    • Limited Values
    • Bar
  11. A continuous variable has ___ ___ & employs a ___ graph.
    • Unlimited Values
    • Line
  12. Define an acid.
    Substance that releases or causes release of H⁺ into solution
  13. There is a ___ difference between pH units.
    Tenfold
  14. Define a base.
    A substance that can remove H⁺ fr solution lowering concentration of H⁺
  15. Explain buffer solution.
    Solutions containing components that enable the solution to somehow resist lg changes in pH when either an acid or base is added

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