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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
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.
-calcium?
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
a)
b)
c)
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.
Lake Superior, Lake Erie
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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