userdata-paziras-Chem101-Chap_11A

Solid liquid meltingpointsorfreezingpointsof

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Unformatted text preview: ich a crystalline so lid changes to a liquid F.P. = M.P. For water: F.P. = M.P. (at atmospheric pressure = 1.00 atm) Ice cubes NOTE: As long as the phases (so lid water and liquid water) coexist, the 0 temperature stays constant at 0 C. Liquid Water · Melt ing or Freezing occurs at the temperature where the solid phase and the liquid phase are in dynamic equilibrium. SOLID LIQUID MELTING POINTS (OR FREEZING POINTS) OF SUBSTANCES: Ø are independent of small variat ions in at mospheric pressure Ø are affected by large pressure changes. 6 Chemistry 101 Chapter 11 HEATING CURVE FOR WATER STEAM WARMING UP 0 C 130 120 110 100 90 80 70 60 50 40 30 20 10 0 ­10 ­ 20 (mo lecules move faster) B.P. BOILING (water + steam) (molecules separate) LIQUID WATER WARMING UP (mo lecules move faste...
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