Wednesday, January 19, 2011

Day 6 Activity 3 1/19/11 Crystal Structures

1.Show crystal structures for NaCl (sodium chloride) and CaCO3 (calcium carbonate).
NaCl:

 CaCO3:



2.What is the melting point for these two materials?
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1 comment:

  1. ShelbyJanuary 19, 2011 at 8:35 AM

    1. Already posted above.

    2. The melting point, according to Wikipedia is:
    For Sodium Chloride; 801 °C, 1074 K, 1474 °F
    Source: http://en.wikipedia.org/wiki/Sodium_chloride

    For Calcium Carbonate is 825 °C (calcite)
    1339 °C (aragonite).
    Source: http://en.wikipedia.org/wiki/Calcium_carbonate

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