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QUESTION

AMS Ocean Studies Chapter 3 Progress Questions Properties of Ocean Water 1. In hydrogen bonding, the _______ charged hydrogen pole of a water

1. In hydrogen bonding, the _______ charged hydrogen pole of a water molecule attracts the oppositely charged oxygen pole of another water molecule.

a. positively

b. negatively

2. All hydrogen bonds are broken during the phase change of water from

a. ice to liquid.

b. liquid to vapor.

3. Which is the measure of the average kinetic energy of atoms or molecules that compose a substance?

a. Heat

b. Temperature

4. When water vapor condenses, latent heat of vaporization is _______ the environment.

a. released to

b. absorbed from

5. When the same quantity of heat is added per unit mass, a substance with a low specific heat warms _______ a substance with a high specific heat.

a. less than

b. more than

6. The climate of San Diego on the Southern California coast is more _______ than the climate of inland Kansas City, MO.

a. continental

b. maritime

7. On average, seawater consists of _______ dissolved salts.

a. 0.35%

b. 3.5%

c. 35%

8. In regions where precipitation is low and evaporation rates are high, the salinity of surface ocean waters is _______ than the ocean’s global average salinity.

a. higher

b. lower

9. For the ocean as a whole, the most abundant gas dissolved in seawater is

a. nitrogen.

b. oxygen.

AMS Ocean Studies

c. carbon dioxide.

10. All other factors being equal, we would expect to find _______ dissolved oxygen in turbulent

water than in calm water.

a. more

b. less

11. The average pH of seawater is slightly _______, conditions that are favorable for organisms

whose shells are composed of calcium carbonate.

a. acidic

b. alkaline

12. The density of seawater of average salinity always _______ with falling temperature.

a. increases

b. decreases

13. At constant temperature, the density of seawater _______ with increasing salinity.

a. increases

b. decreases

14. The water pressure at an ocean depth of 30 m is approximately _______ decibars.

a. 3

b. 30

c. 300

15. The speed of sound propagation in the ocean is _______ in the SOFAR channel.

a. minimum

b. maximum

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