Chem133 Chapter3

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Author:
ColeJT1227
ID:
236508
Filename:
Chem133 Chapter3
Updated:
2013-10-08 19:53:43
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Chem Chemistry 133 Chem133 Ch3 Chapter3 foust
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Description:
Chapter 3 test 1
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  1. How many objects are in a mole?
    6.022x1023
  2. Describe the differences between:
    -molecular formula
    -empirical formula
    -structural formula
    • Molecular formula: shows the ACTUAL number of atoms in the molecule=H2O2
    • Empirical formula: Shows the lowest whole number of atoms in a compound (not the actual number in the molecule)=HO
    • Structural formula: shows the relative placement of atoms in a molecule H-O-O-H
  3. What is an Isomer?
    A compound with the same molecular formula, but different structural formula.

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