311C water_worksheet+A - NAME ____ ANSWER KEY ____________...

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Unformatted text preview: NAME ____ ANSWER KEY ____________ BIO 311C Worksheet: Water 1. Below is a water molecule. Label the molecule to show partial charges. Draw a second water molecule next to this one and indicate with a dashed line where you would expect a hydrogen bond to form. 2. What is the maximum number of hydrogen bonds a water molecule can form? ______ 4 _____ 3. If the temperature of a body of water increases, what happens to the hydrogen bonds between the water molecules? Circle one: Hydrogen bonds are formed. Hydrogen bonds are broken . 4. A gram of water at 0 o C occupies more or less (circle one) volume than a gram of water at 4 o C. Why? Water expands as it cools below 4 o C. 5. When a salt is dissolved in water, salt is the ( solute or solvent ) and water is the ( solute or solvent ). (Circle one for each). 6. Is table salt (NaCl) hydrophilic or hydrophobic? __ hydrophilic __. What happens to the NaCl when it is added to water?...
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This note was uploaded on 04/02/2012 for the course BIO 311C taught by Professor Satasivian during the Spring '08 term at University of Texas at Austin.

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311C water_worksheet+A - NAME ____ ANSWER KEY ____________...

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