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Nr 504 Exam With 100% Correct And Verified Answers 2024
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Nr 504 Exam With 100% Correct And Verified Answers 2024
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Nr 504 Exam With 100% Correct AndVerified Answers
% of earths water that is fresh - Correct
Answer-2.5
where does water at unh come from - Correct
Answer-oyster and lamprey rivers
5 major watersheds in NH - Correct Answer-
Conneticut, Androscoggin, Saco, Merrimack,
Piscataqua
consumptive water use - Correct Answer-
means water can't be reused because it
evaporates
non-consumptive water use - Correct Answer-
water returns to the environment and can be
reused (but may be degraded)
What kind of molecule is water? - Correct
Answer-polar molecule (dipole)
polar compound - Correct Answer-unequal
charge distribution
Hydrogen bond - Correct Answer-An
intermolecular bond between a locally
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, positive hydrogen atom and a locally negative
atom (usually oxygen)
Cohesion - Correct Answer-attraction of water
molecules to each other
Adhesion - Correct Answer-attraction of water
molecules to other surfaces
Capillarity - Correct Answer-Water rises due
to attraction of H atoms in water to O atoms
in glass (hydrogen bonding)
Triple point - Correct Answer-temp and
pressure combination in which pressure
combination in which perfect balance exists
between perfect balance exists between all 3
phases
Temp ar which water is most dense - Correct
Answer-4C
specific heat of ice - Correct Answer-.5 cal/g
degC
Specific heat of water - Correct Answer-1
cal/g degC
Latent heat of fusion - Correct Answer-80
cal/g
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