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biology > Gen chem > Flashcards

Gen chem Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

the amount of solute
dissolved in a given
amount of solution

A

Concentration

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2
Q

a homogeneous mixture
of one or more solutes
dissolved in a solvent

A

Solution

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3
Q

Is a mixture in which the
composition is uniform
throughout the mixture.

A

Homogeneous mixture

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4
Q

Is a mixture in which
the composition is
NOT uniform
throughout the
mixture.

A

Heterogeneous mixture

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5
Q

Is the phase change involves a gain
or absorption of heat by the
substance from the environment.

A

ENDOTHERMIC

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6
Q

It involves loss or release of heat by
the substance to the environment

A

Exothermic

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7
Q

Temperature at
which the solid
melts to form a
liquid

A

Melting point

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8
Q

Temperature at
which the liquid
starts to boil

A

Boiling point

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9
Q

Is when heat is removed or cooling a
liquid decreases the kinetic energy of
the particles until they are unable to
move and remain in fixed positions.

A

freezing

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10
Q

It is the temperature at which the
liquid freezes to form the solid

A

freezing point

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11
Q

Is the process where the particles
escape and enter the vapor or gas
phase above the liquid

A

Evaporation or vaporation

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12
Q

● Gas to Liquid
● The reverse process of evaporation
● This happens as particles in the vapor
phase are cooled.

A

Condensation

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13
Q

● Change from solid to gas without
passing the liquid state
● Reverse of Deposition

A

Sublimation

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14
Q

● Change from gas to solid phase
without passing the liquid phase.
● The reverse of sublimation

A

Deposition

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15
Q

show how the temperature changes
as a substance is heated up.

A

Heat curves

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16
Q

show how the temperature changes
as a substance is cooled down.

A

Cooling curves

17
Q

remain constant

A

Plateau

18
Q

● is a homogeneous
mixture of one or more
solutes dissolved in a
solvent.

A

Solution

19
Q

● Where one substance is
dissolved into another.
● Uniform all throughout
which makes it homogenous

A

Solution

20
Q

● degree to which a substance dissolves
in a solvent to make a solution (usually
expressed as grams of solute per litre of solvent).

A

Solubility

21
Q

Is when two liquids can be
mixed to form a solution

A

Miscible

22
Q

Is when two liquids cannot
be mixed to form a solution

A

Immiscible

23
Q

*The substance that does the dissolving
● Any substance, generally liquid, which
is capable of dissolving one or multiple
substances, which produces a solution.

A

Solvent

24
Q

● Substance that is dissolved in a solution
● The particles of solute in a solution cannot be
seen by the naked eye.
● A solution does not allow beams of light to
scatter.

A

solvent

25
Q

also known as the Tyndall phenomenon,
● is the scattering of a light beam by a
medium containing microscopic suspended
particles

A

tyndall effect

26
Q

comprises a large amount of solute
at a temperature wherein it will be
reduced, as a result the extra solute
will crystallize quickly.

A

Super saturated solution

27
Q

is a solution in which a solvent is
capable of dissolving any more
solute at a given temperature.

A

Unsaturated solution

28
Q

can be defined as a solution in which a
solvent is not capable of dissolving
any more solute at a given
temperature.

A

Saturated solution

29
Q

When a solute is dissolved in water the
Solution

A

Aqueous solution

30
Q

When a solute is dissolved in a solvent
other than water

A

Non aqueous solution

31
Q

A solution containing a relatively large
amount of dissolved solute

A

Concentrated

32
Q

A solution with a relatively small
amount of dissolved solute.

A

Dilute

33
Q

● is any external solution that has the same
solute concentration and water concentration
compared to body fluids.
● In an isotonic solution, no net movement of
water will take place.

A

Isotonic solution

33
Q

-is any external solution that has a high
solute concentration and low water
concentration compared to body fluids.
● In a hypertonic solution, the net movement
of water will be out of the body and into the
solution.

A

Hypertonic solution

34
Q

Omay

A

Kalbo si emman

35
Q

Sheshsh

A

Tabgjan

biology (2 decks)

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