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29 Cards in this Set
- Front
- Back
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portable
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saline
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aquifer
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The largest portion of the water on earth is located in (glaciers/wells/oceans/rivers).
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The largest portion of drinkable water on earth is located in (rivers/glaciers/oceans/bottles).
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The price of (bottled water/gasoline) is higher.
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When washing clothes, a scum sometimes forms on the surface of the soapy water due to the presence of ___________ in the water.
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-calcium?
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List three of the processes used in purification of water for drinking.
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What do we mean when we say that some water is "hard"?
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What can we do to "soften" the hard water?
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Heavy metal ions can cause problems in our water supply. Name a heavy metal ion which is a common danger.
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Write formulas for compounds of the following elements
A)sodium and fluorine b)lithium and sulfur c)aluminum and oxygen |
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Name or describe an unusual property of water.
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The ice sheets of one continent hold 70% of the fresh water on earth. Name that continent. (Hint: It's very cold there!)
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The largest bodies of fresh water are several large lakes. Name one of the great ones.
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Lake Superior, Lake Erie
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What's the name of that aquifer which lies under Nebraska, Kansas, and Oklahoma?
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Name the following compounds:
a)C5H12 b)HI c)C4H10 |
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Draw structural formulas for:
a)methane b)propane c)hexane |
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Draw "stick" formulas for:
a)propane b)octane c)ethane d)decane |
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Give another appropriate name for compound 2-a, the organic chemical name of which is methane.
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In general, you could carry more potential energy in your gas tank as (propane/octane).
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A certain hydrocarbon atom contained 18 carbons. How many hydrogens were present in the formula?
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In general, you'd prefer to have complete combustion of your hydrocarbon furnace fuel. Why?
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What is the safest fuel for heating your home?
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What is the most dangerous fuel for generating electricity?
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Just what is it that makes a candle glow?
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What's the difference between a Diesel engine and an internal combustion engine?
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In what way is a two-cycle engine better than a four-cycle engine?
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In what way is a two-cycle engine worse than a four-cycle engine?
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