Lecture 3-1201

Lecture 3-1201 - Lecture3 CapillaryActionandSurfaceTension...

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Lecture 3 15:10 - Capillary Action and Surface Tension Fig 3.4 Fig 3.3-Water Transport in Plants Due to hydrogen bonding -Ionization Dissociation into acid (hydronium ion) And base (hydroxide ion) Recap Unusual properties of water  High heat capacity High heat of vaporization High heat of fusion Most dense at 4 C High dielectric Capillary action Ionization Most aquatic animals are ectotherms because of water’s high heat capacity pH-A Review Acids, Bases, and Salts
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Acids produce H+ ions o HCl H+ and Cl- Bases produce hydroxide ions o NaOH Na+ and OH- Salts produce neither o NaCl  Na and Cl pH=log[1/H+]=-log[H+] o actually activity of H+, rather than concentration pH Scale log base 10 the difference between pH3 and pH 4 is a  10-fold difference in the  concentration of H+ The difference between pH 3 and pH 5 is a 100-fold difference in the 
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Lecture 3-1201 - Lecture3 CapillaryActionandSurfaceTension...

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