EAS 1600 Exam3_Sample%20B

EAS 1600 Exam3_Sample%20B - Name _ Lab Section_ EAS 1600 -...

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Name __________________________ Lab Section__________ EAS 1600 - INTRODUCTION TO ENVIRONMENTAL SCIENCES Exam 3 – Sample B 1. Assume you have 1000 Liters (L) of seawater in which the only dissolved ions in the ocean are sodium (Na + ) and chloride (Cl - ) and each has a concentration of 17 g per kg of water. a. What is the ocean salinity in parts per thousand? [5 points] b. What is the mass of salt in the seawater sample [5 points] c. Assume the temperature of the seawater was 0 C but it is warmed to 10 C. How much water would need to be evaporated to return the sample to its original density? [10 points]
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Name __________________________ Lab Section__________ 2. Imagine a tectonically active planet with a radius of 10000 km, whose plates move on average about 4 cm/yr. What is the approximate time for the planet’s plates to complete one Wilson Cycle? [10 points] 3. As Arctic glaciation increases, the salinity of the North Atlanta Ocean [increases, decreases, remains the same] ________________. [5 points]
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EAS 1600 Exam3_Sample%20B - Name _ Lab Section_ EAS 1600 -...

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