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Chem of Life Quest Review (Biology) Flashcards | StudBud
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Chem of Life Quest Review (Biology)
Chem of Life Quest Review (Biology)
20 terms
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#biology
Flashcards
20 cards
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Questions
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Answers
1
____ occurs when electrons are gained in a redox reaction.
oxidation
reduction
2
Property of water that causes water to stick to another water molecule
surface tension
cohesion
capillarity
adhesion
3
When water gains a hydrogen ion, water becomes a(n) _____ ion.
hydronium
hydroxide
4
Water has unequal charges due to its covalent bonds so water is considered to be
polar
a solid
nonpolar
a vapor
5
_____ occurs when electrons are lost in a redox reaction.
oxidation
reduction
6
Water's unique properties are due to
ionic bonding
van der waals bonds
nonpolar bonds
hydrogen bonding
7
_____ enter a chemical reaction and are changed as a result of the reaction.
reactants
products
8
Property of water caused by cohesion; surface stretches; allows water bugs to "walk on water"
evaporative cooling
adhesion
capillarity
surface tension
9
A _____ can be added to an acid to neutralize its effects.
hydroxide ion
water
buffer
base
10
When water loses a hydrogen ion, water becomes a(n) ____ ion.
hydroxide
hydronium
11
What is unique about water's density?
more dense as a solid
density does NOT change with phase changes
Less dense as a solid
12
When salt dissolves in water, salt is the _____.
mixture
solute
buffer
solvent
13
CO2, H2O, and C6H12O6 are examples of
atoms
elements
mixtures
compounds
14
A(n) ____ has hydronium ions and pH <7
buffer
acid
base
15
Property of water that helps transfer water from roots to shoots in a plant.
capillarity
adhesion
universal solvent
cohesion
16
A _____ has hydroxide ions and a pH > 7.
buffer
acid
base
17
_____ exit a chemical reaction.
reactants
products
18
A catalyst speeds up a chemical reaction. In Biology, a protein catalyst is called a(n)
enzymes
buffers
lipids
carbohydrates
19
Property of water that moderates the climate and causes evaporative cooling
high heat capacity
capillarity
surface tension
density of ice
20
Property of water that allows it to "stick" to other surfaces such as roots in a plant
adhesion
cohesion
high specific heat
capillarity