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Course: AP CHEMISTRY
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AP CHEMISTRY

1. Atomic Structure and Properties

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2. Compound Structure and Properties

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3. Properties of Substances and Mixtures

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4. Chemical Reactions

0/23

5. Kinetics

0/27

6. Thermochemistry

0/26

7. Equilibrium

0/35

8. Acids and Bases

0/35

9. Thermodynamics and Electrochemistry

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Quiz

6.1 Chemical Energy – Check yourself

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Chemical Energy AP Chemistry revision check yourself quiz: free practice for AP Chemistry — Topic Revision Notes. Work through this Chemical Energy AP Chemistry revision check yourself quiz and get instant feedback on every answer. If you get stuck, review the 6.1 Chemical Energy — AP Notes lesson. More practice: AP Chemistry — Topic Revision Notes — all units. Syllabus: College Board ap chemistry course page.

  • Questions count: 10
  • Passing grade: B
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1.

In an endothermic process, energy

is released to the surroundings
is absorbed by the system from the surroundings
is destroyed
does not change
2.

In an exothermic reaction, the products have

higher potential energy
the same energy
no energy
lower potential energy than the reactants
3.

Temperature is a measure of

total energy
the average kinetic energy of particles
heat
potential energy
4.

Breaking bonds

releases energy
requires no energy
always releases light
requires energy
5.

A reaction is exothermic overall when

more energy is absorbed breaking bonds
more energy is released forming bonds than is absorbed breaking bonds
no bonds change
ΔH is positive
6.

On an energy diagram, the activation energy is

the difference between reactants and products
the difference between the reactants and the top of the barrier
the energy of the products
zero
7.

When two objects at different temperatures touch, energy transfers

from the hotter to the cooler until thermal equilibrium
from cooler to hotter
in both directions equally
not at all
8.

Dissolving NH₄NO₃ in water makes the solution colder. The process is

exothermic
endothermic
neither
a combustion
9.

The first law of thermodynamics states that energy

is created in reactions
is destroyed in reactions
is conserved
always becomes heat
10.

The system in a calorimetry experiment is

the reacting chemicals
the thermometer
the room
the cup only
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Part of 6. Thermochemistry — see every lesson and quiz in this unit.
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