quiz3 - Exam Name MULTIPLE CHOICE Choose the one...

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Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The partial negative charge at one end of a water molecule is attracted to the partial positive charge of another water molecule. What is this attraction called? A) a hydrophobic bond B) a hydrophilic bond C) a hydrogen bond D) an ionic bond E) a covalent bond 2) What do cohesion, surface tension, and adhesion have in common with reference to water? A) All are produced by covalent bonding. B) All increase when temperature increases. C) All are properties related to hydrogen bonding. D) All have to do with nonpolar covalent bonds. E) Both A and C are correct. 3) Which of the following is possible due to the surface tension of water? A) A waterstrider can walk across a small pond. B) Organisms resist temperature changes although they give off heat due to chemical reactions. C) The pH remains neutral. D) Water can act as a solvent. E) Lakes don't freeze solid in the winter, despite low temperatures. 4) When an ice cube cools a drink 1 e C, which of the following is true ? A) Molecule collisions in the drink increase. B) A kilocalorie of heat is transferred to the ice. C) A kilocalorie of heat is transferred to the water. D) Kinetic energy in the drink decreases. E) Evaporation of the water increases. 5) The nutritional information on a cereal box shows that one serving of dry cereal has 90 calories (actually kilocalories). If one were to burn a serving of cereal, the amount of heat given off would be sufficient to raise the temperature of 1 kg of water how many degrees Celsius? A) 9.0
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This note was uploaded on 11/23/2009 for the course BIO 066.6 taught by Professor Darby during the Spring '09 term at Sierra.

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quiz3 - Exam Name MULTIPLE CHOICE Choose the one...

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