Water’s Special Properties Hydrogen Bonding, Surface Tension, and floating ice…
Interstate vs Intrastate Commerce -Selling products to other people in N. J. Interstate Commerce -Selling products to other people in the U. S.
Internet vs Intranet Internet-world wide web (www. ) -Communicating with people anywhere in the world Intranet -Communicating with people in your house
Intermolecular vs Intramolecular Attraction Intramolecular Force: -Attraction between two atoms in a molecule -These are bonds (covalent or ionic) Intermolecular Force: -Attraction between two different molecules
Is the arrow pointing to an: A. Intermolecular Bond B. Intramolecular Bond
Hydrogen Bond A Hydrogen atom has to be bonded to N, O or F
Hydrogen Bonding Hydrogen bonding happens between molecules!
Hydrogen Bonding Do the following molecules possess hydrogen bonding? (A-yes, B-no) 1. H 2 O 2. HCl 3. HF 4. NO 2 5. NH 3 6. CH 4
Properties of Liquids Surface tension is the force that holds a liquid together. 11. 3
How strong is the surface tension of water? • https: //www. youtube. com/watch? v=45 yabrn ry. Xk
Surface tension also causes water to bead up on our cars…
What would a waterproof coating be made of? A. Water B. Oil C. Soap D. Alcohol
Do you think solid iron would float on liquid iron? A. Yes B. No
Why does ice float?
“Like Dissolves Like”
Gak BORAX GLUE
What is cross-linking?
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