chapter5+handout

chapter5+handout - 0.20 Lime stone 0.17 The universal...

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1 Chapter 5 The Physical Properties of Water The water molecule Hydrogen bonds
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2 Heat and calories • What is a calorie and how is it defined? • What is the link between the states of water and the Celsius scale? • Is temperature the same thing as heat? Changes of State Comparing energies • 80 calories for melting of 1 g ice at 0 o Cto water at 0 o C. • 100 calories to heat 1 g water from 0 to 100 o C. • 540 calories to transfer 1 g water at 100 o C from liquid to gas. All of these numbers are larger than for other materials Hydrogen bonds are responsible!
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3 Hydrologic Cycle and latent Heat Transmission of heat • Conduction • Convection • Radiation Convection is rapid and efficient as energy transmitter
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4 Specific heat of Earth Materials Material Specific heat (Calories/g/C) Water 1.00 Air 0.25 Sandstone 0.47 Shale 0.39 Sandy soil 0.24 Basalt
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Unformatted text preview: 0.20 Lime stone 0.17 The universal solvent 5 Effect of T on density of water Effect of T on density of Water Consequence Ice floats on water 6 Freezing & Density of Water with Salt Summary density What is the effect of pressure on density? How does temperature and salinity affect density? How does density stratification affect water column stability? Light absorption in the ocean Light absorption in the ocean 7 Fig. 5.13 8 Measuring light attenuation in water Secchi disk. Electronic meters Light refraction 9 Speed of sound in the ocean Is the speed of sound the same in air and water? How does the speed of sound change with T, P and salinity? Effect of sound refraction Sofar Channel ( S ound F ixing a nd R anging ) 10 ATOC Experiment Fig. 5.22...
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This note was uploaded on 04/07/2008 for the course MARN 171 taught by Professor Skoog during the Spring '08 term at UConn.

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chapter5+handout - 0.20 Lime stone 0.17 The universal...

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