Download Physical Science Semester 2 Final Exam Review Questions

A decomposition reaction is a reaction where
A. a compound breaks down into at least two
products.
B. cations are exchanged between two compounds
and a precipitate is formed.
C. a compound burns in the presence of oxygen.
D. a new, bigger compound is formed.
A decomposition reaction is a reaction where
A. a compound breaks down into at least two
products.
B. cations are exchanged between two compounds
and a precipitate is formed.
C. a compound burns in the presence of oxygen.
D. a new, bigger compound is formed.
A. Energy is given off in the form of heat.
B. Energy is transferred from the surroundings to the
reactants.
C. Energy is released.
D. The reaction feels warm.
A. Energy is given off in the form of heat.
B. Energy is transferred from the surroundings to the
reactants.
C. Energy is released.
D. The reaction feels warm.
A. total mass of the reactants.
B. subatomic mass of the reactants.
C. electrons of the reactants.
D. proportional masses of the reactants.
A. total mass of the reactants.
B. subatomic mass of the reactants.
C. electrons of the reactants.
D. proportional masses of the reactants.
Chapter 6
A.synthesis reaction
B.decomposition reaction
C. single-displacement reaction
D.double-displacement reaction
Chapter 6
B. decomposition reaction
C. single-displacement reaction
D.double-displacement reaction
Chapter 6
F. using an enzyme in a reaction
G.adding an inhibitor to the reaction mixture
H.increasing the concentration of the reactants
I. grinding a solid reactant to make a fine powder
Chapter 6
F. using an enzyme in a reaction
H.increasing the concentration of the reactants
I. grinding a solid reactant to make a fine powder
Chapter 6
a.
b.
c.
d.
H2O
H2
the coefficient
subscript
Chapter 6
a.
b.
c.
d.
H2O
H2
the coefficient
subscript
Chapter 6
A. atoms are destroyed
B. atoms are rearranged
C. molecules are created
D. atoms are created
Chapter 6
A. atoms are destroyed
B. atoms are rearranged
C. molecules are created
D. atoms are created
Chapter 6
A. a color change occurs
B. a gas is given off
C. heat is released
D. the substance dissolves
Chapter 6
A. a color change occurs
B. a gas is given off
C. heat is released
D.
Chapter 6
A.fireworks exploding in the sky
B.photosynthesis in plant cells
C. respiration in animal cells
D.wood burning in a fireplace
Chapter 6
A.fireworks exploding in the sky
C. respiration in animal cells
D.wood burning in a fireplace
Chapter 6
Chapter 6
Addition of heat causes the particles to
move faster and collide more often. The increase
in collisions speeds up the reaction.
Chapter 7
A.polar
B.nonpolar
C. ionic
D.saturated
Chapter 7
A.polar
B.nonpolar
C. ionic
D.saturated
Chapter 7
A.hydrogen content
B.low boiling point
C. high polarity
D.small size
Chapter 7
A.hydrogen content
B.low boiling point
C. high polarity
D.small size
Chapter 7
A. uniform throughout
B.easily mixed together
C. made of two or more liquids
D. large particles
Chapter 7
A. uniform throughout
B.easily mixed together
C. made of two or more liquids
D. large particles
Chapter 7
A. gas-liquid
B.solid-solid
C.solid-liquid
D. all of the above
Chapter 7
A. gas-liquid
B.solid-solid
C.solid-liquid
D. all of the above
Chapter 7
A. can dissolve more solute at the current conditions.
B. will precipitate out all its dissolved solute
C. can dissolve more solute only if heated.
D. can dissolve more solute only if the pressure is
increased.
Chapter 7
A. can dissolve more solute at the current conditions.
B. will precipitate out all its dissolved solute
C. can dissolve more solute only if heated.
D. can dissolve more solute only if the pressure is
increased.
Chapter 7
A. suspension
B.colloid
C. solution
D. alloy
Chapter 7
A. suspension
B.colloid
C. solution
D. alloy
Chapter 7
A. 1,1,1
B.1,2,1
C. 2,2,1
D. 2,1,2
Chapter 7
A. 1,1,1
B.1,2,1
C. 2,2,1
D. 2,1,2
Chapter 7
F. Suspensions contain larger particles in solution.
G. Colloids have smaller particles that do not settle
out.
H. A colloid is a type of solution, while a suspension is
a type of mixture.
I. The solvent in a suspension is polar, while the
solvent in a colloid is nonpolar.
Chapter 7
F. Suspensions contain larger particles in solution.
H. A colloid is a type of solution, while a suspension is
a type of mixture.
I. The solvent in a suspension is polar, while the
solvent in a colloid is nonpolar.
Chapter 7
Chapter 7
The solvent in latex paint has a polar
molecule like water. Paint thinner contains
nonpolar compounds.
Chapter 8
A.pH 7
B.pH 8
C. pH 3
D.pH 14
Chapter 8
B.pH 8
C. pH 3
D.pH 14
Chapter 8
A. form hydronium ions (H3O+) when dissolved
in water.
B. turn red litmus paper blue.
C. make foods taste bitter.
D.react with neutral liquids to form bases.
Chapter 8
A. form hydronium ions (H3O+) when dissolved
in water.
B. turn red litmus paper blue.
C. make foods taste bitter.
D.react with neutral liquids to form bases.
Chapter 8
A. household ammonia.
B. HCl dissolved in water.
C. vinegar.
D. pure water.
Chapter 8
A. household ammonia.
B. HCl dissolved in water.
C. vinegar.
D. pure water.
Chapter 8
A. acetic acid
B. nitric acid.
C. hydrochloric acid.
D. formic acid.
Chapter 8
A. acetic acid
B. nitric acid.
C. hydrochloric acid.
D. formic acid.
Chapter 8
A. keeps pH from changing
B. found in your blood
C. neutralizes excess acid and base
D. whitens cloths
Chapter 8
A. keeps pH from changing
B. found in your blood
C. neutralizes excess acid and base
D. whitens cloths
Chapter 8
A. acetic acid
B. nitric acid.
C. hydrochloric acid.
D. formic acid.
Chapter 8
A. acetic acid
B. nitric acid.
C. hydrochloric acid.
D. formic acid.
Chapter 8
Chapter 8
Acidic compounds have a sour taste.
Chapter 8
A.emulsifier
B.ions
C. salts
D.indicator
Chapter 8
A.emulsifier
B.ions
C. salts
D.indicator
Chapter 8
A.pH 2
B.pH 4
C. pH 6
D.pH 8
Chapter 8
A.pH 2
B.pH 4
C. pH 6
D.pH 8
Chapter 9
A.beta particles
B.gamma rays
C. alpha particles
D.X rays
Chapter 9
A.beta particles
B.gamma rays
C. alpha particles
D.X rays
Chapter 9
A.nuclear decay
B.isotopes
C. nuclear mass
D. radon
Chapter 9
A.nuclear decay
B.isotopes
C. nuclear mass
D. radon
Chapter 9
A.uranium
B. gamma rays
C. carbon
D. radon
Chapter 9
A.uranium
B. gamma rays
C. carbon
D. radon
Chapter 9
A.nucleus repulsion.
B. nuclear force.
C. nuclear instability.
D. nuclear decay.
Chapter 9
A.nucleus repulsion.
B. nuclear force.
C. nuclear instability.
D. nuclear decay.
Chapter 9
A.split.
B. combine.
C. mutate.
D. gain energy.
Chapter 9
A.split.
B. combine.
C. mutate.
D. gain energy.
Chapter 9
A.Radioactive isotopes release a large amount of
chemical energy.
B.When large atoms break apart, some of their mass is
converted to energy.
C. The bonds between uranium atoms are very strong and
release energy when they are broken.
D.A significant amount of energy is released when two
atoms come together to form one larger atom.
Chapter 9
A.Radioactive isotopes release a large amount of
chemical energy.
B.When large atoms break apart, some of their mass is
converted to energy.
C. The bonds between uranium atoms are very strong and
release energy when they are broken.
D.A significant amount of energy is released when two
atoms come together to form one larger atom.
Chapter 9
F. They are not a type of radiation.
G.They are stopped by material as thin as a
sheet of paper.
H.They combine with beta particles in the air to
form a neutron.
I. They are harmless even if they come in
contact with the human body.
Chapter 9
F. They are not a type of radiation.
H.They combine with beta particles in the air to
form a neutron.
I. They are harmless even if they come in
contact with the human body.
Chapter 9
A.–4
B.–1
C. 0
D.+1
Chapter 9
A.–4
B.–1
D.+1
Chapter 9
F. alpha decay
G. nuclear chain
reaction
H. radioactivity
I. nuclear fusion
Chapter 9
F. alpha decay
H. radioactivity
I. nuclear fusion
Chapter 10
A.direction
B.distance
C.time
D.weight
Chapter 10
A.direction
B.distance
C.time
D.weight
Chapter 10
A. friction between a book sliding across table
B.friction between your shoes and the ground
when you are walking
C. friction between a parked car tire and road
below it
D.friction between your pencil tip and paper as you
write
Chapter 10
A. friction between a book sliding across table
B.friction between your shoes and the ground
when you are walking
C. friction between a parked car tire and road
below it
D.friction between your pencil tip and paper as you
write
Chapter 10
A.–5 m/s2
B.–2.5 m/s2
C. 0 m/s2
D.2.5 m/s2
Chapter 10
A.–5 m/s2
C. 0 m/s2
D.2.5 m/s2
Chapter 10
A.450 m/s east
B.340 m/s east
C. 45 m/s east
D.2.5 m/s east
Chapter 10
A.450 m/s east
B.340 m/s east
C. 45 m/s east
D.2.5 m/s east
Chapter 10
F. The object gradually slows and stops moving due to
friction.
G. The object moves at a constant speed, neither
speeding up nor slowing down.
H. The object accelerates because there is no
friction to oppose the forces acting on it.
I. The object accelerates because the force of
gravity is stronger than friction.
Chapter 10
F. The object gradually slows and stops moving due to
friction.
H. The object accelerates because there is no friction
to oppose the forces acting on it.
I. The object accelerates because the force of gravity
is stronger than friction
Chapter 10
Chapter 10
Air resistance and the force due to gravity would
change the velocity of the plane.
Chapter 11
A.0.0 N
B.2.0 N
C. 9.8 N
D.19.6 N
Chapter 11
B.2.0 N
C. 9.8 N
D.19.6 N
Chapter 11
A.The force of gravity is inactive on the skydiver
at terminal velocity.
B.Air resistance exceeds the force of gravity.
C. Air resistance balances the force of gravity.
D.The force of gravity decreases as the skydiver
descends.
Chapter 11
A.The force of gravity is inactive on the skydiver
at terminal velocity.
B.Air resistance exceeds the force of gravity.
D.The force of gravity decreases as the skydiver
descends.
Chapter 11
Chapter 11
Weight is a measure of the force of gravity
on an object. The mass of your body stays the
same, but the force on it is less on Mars.
Chapter 12
A.No machine is 100% efficient.
B.Energy is neither created nor destroyed.
C. The energy resources of Earth are limited.
D.The energy of a system is always decreasing.
Chapter 12
A.No machine is 100% efficient.
C. The energy resources of Earth are limited.
D.The energy of a system is always decreasing.