10-8 - States of matter: Fixed shape Fixed position...

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States of matter: Fixed shape Fixed position Variable shape Some molecular movement Variable shape & volume Fast molecular movement
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The state of matter has a  dramatic effect on the outcome
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The stuff of chapter 8. Section 7.4
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Result in:  viscosity and surface tension
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Viscosity – resistance of liquids to flow Low viscosity – vinegar – tiny molecules It’s a tangling issue, just like hair High viscosity – corn syrup – large molecules
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Surface tension – energy required to increase the                           surface area of a liquid It’s a glue issue. High surface tension – the liquid molecules are                                  attracted to each other                                   example:  water                                                  beads Low surface tension – where the liquid molecules                                 don’t have much glue                                 example:  acetone                                                runs everywhere
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concave convex strong adhesive forces between H 2 O and glass (Si-O-H) weak adhesive forces between Hg and glass (Si-O-H)
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10-8 - States of matter: Fixed shape Fixed position...

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