L29 - The Unusual Properties of Water Water Molecular...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
    The Unusual Properties of Water 44 16 18 Molecular Weight  (g/mol) –56.6 (5.2 atm) –164 100 Boiling Point (°C) –78.5 ( subl ) –182 0 Melting Point (°C) Gas Gas Liquid State at Standard T  and P Carbon Dioxide Methane Water
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Figure 4.1 Electron distribution in molecules of H 2  and H 2 O.
Background image of page 2
    Water in the liquid state exhibits a semi-ordered structure,  maintained by a network of hydrogen bonds between water  molecules; unlike in solid water (i.e. in ice) hydrogen bonds  in liquid water are breaking and re-forming constantly.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Published by AAAS D. Laage et al., Science 311, 832 -835 (2006) Fig. 3. Scheme of the different steps in the computed H-bond exchange mechanism
Background image of page 4
    In solid water (ice) hydrogen bonds are permanent.
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    Small (H 2 O) n  clusters: hydrogen bond and electrostatic  interactions between water molecules lead to formation  of small cluster in the gas phase.
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 14

L29 - The Unusual Properties of Water Water Molecular...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online