Description
This homework will cover the content in Chapters 4-6 of Essentials of Oceanography (8th ed.) and the associated lectures and in-class exercises. Feel free to work together on the homework, but the answers you submit MUST BE YOUR OWN! That means you are not allowed to quote directly from the book. You are welcome to work on this over time since there is no time limit, but please do not click the "Submit" button until you have finished the entire homework. Let me know if any of the questions are unclear!
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Oceanography Homework #2
1-Why does the structure of water molecules give water a high heat capacity?
Water is a molecular substance containing two hydrogen atoms bonded to one oxygen
atom by a strong covalent bond. These atoms form a single water molecule which is joined to
other molecules to form the liquid. When heat is applied to water, the hydrogen bond between
the molecules is broken and the temperature rises. When the heat decreases, the hydrogen bonds
form, once again, giving out a considerable amount of heat. Therefore, the hydrogen bonding
among water molecules gives water a high heat capacity.
2-What are the FIVE main "ingredients" of seawater (other than water) that we focused on
in class?
Seawater is composed of many ingredients that give water its nature, however, the main
five ingredients are:
Chloride ions-55%
Sodium ions-30.6%
Sulfate ions-7.7%
Magnesium ions -3.65%
Calcium ions-1.17%
SEAWATER SAMPLE
A
B
C
TEMPERATURE (C)
15
22
17
SALINITY (o/oo)
36
35
35
3-Given the temperatures and salinities of the three seawater samples above, enter the
corresponding letter below to indicate the layering of these water masses if they were all
found in the same ocean basin:
Top Layer ______B____
Middle Layer____ C______
Bottom Layer____ _A_____
4-How did you determine the order of layers from Question 3?
The easiest way to understand the ...