,CHEM 104 Module 1 | Q&A | 2026/2027 | General Chemistry II |
Portage Learning
1. Which of the following is the correct definition of heat (q) in
thermodynamics?
A) The transfer of mechanical energy causing matter to move against an
opposing force
B) The transfer of thermal energy between two bodies at different
temperatures
C) The energy an object possesses because of its relative position
D) The capacity to supply heat or do work
Correct Answer: The transfer of thermal energy between two bodies at
different temperatures
Rationale: Heat (q) is specifically the transfer of thermal energy between two
bodies at different temperatures. Work (w) is the transfer of mechanical
energy, potential energy is based on position, and energy is the capacity to
do work or supply heat.
2. Work (w) in thermodynamics is best defined as:
A) The transfer of thermal energy between two bodies at different
temperatures
B) The capacity to supply heat or do work
C) The transfer of mechanical energy causing matter to move against an
opposing force
D) The energy an object possesses because of its motion
Correct Answer: The transfer of mechanical energy causing matter to move
against an opposing force
,Rationale: Work (w) is the transfer of mechanical energy that causes matter
to move against an opposing force. Heat is thermal energy transfer, potential
energy is based on position, and kinetic energy is based on motion.
3. Potential energy is defined as:
A) The energy an object possesses because of its motion
B) The transfer of thermal energy between two bodies at different
temperatures
C) The capacity to supply heat or do work
D) The energy an object possesses because of its relative position
Correct Answer: The energy an object possesses because of its relative
position
Rationale: Potential energy is the energy an object has due to its relative
position or configuration. Kinetic energy is the energy of motion. Energy is
the capacity to do work or supply heat.
4. Kinetic energy is defined as:
A) The energy an object possesses because of its relative position
B) The energy that an object possesses because of its motion
C) The transfer of thermal energy between two bodies at different
temperatures
D) The capacity to supply heat or do work
Correct Answer: The energy that an object possesses because of its motion
Rationale: Kinetic energy is the energy of motion. Potential energy is due to
position, heat is thermal energy transfer, and energy is the capacity to do
work or supply heat.
, 5. The First Law of Thermodynamics states that:
A) Energy can be created and destroyed
B) Energy cannot be created or destroyed, only converted into other forms
C) Entropy of the universe is always increasing
D) Heat flows from cold to hot spontaneously
Correct Answer: Energy cannot be created or destroyed, only converted into
other forms
Rationale: The First Law of Thermodynamics states that energy cannot be
created or destroyed; it can only be converted from one form to another. This
is also known as the Law of Conservation of Energy.
6. A spontaneous process is one that:
A) Requires continual energy input from an external source
B) Occurs naturally under certain conditions without external intervention
C) Always releases heat to the surroundings
D) Cannot be reversed under any circumstances
Correct Answer: Occurs naturally under certain conditions without external
intervention
Rationale: A spontaneous process occurs naturally under certain conditions
without requiring external energy input. A nonspontaneous process requires
continual energy input from an external source.
7. A nonspontaneous process is one that:
A) Occurs naturally without external intervention
Portage Learning
1. Which of the following is the correct definition of heat (q) in
thermodynamics?
A) The transfer of mechanical energy causing matter to move against an
opposing force
B) The transfer of thermal energy between two bodies at different
temperatures
C) The energy an object possesses because of its relative position
D) The capacity to supply heat or do work
Correct Answer: The transfer of thermal energy between two bodies at
different temperatures
Rationale: Heat (q) is specifically the transfer of thermal energy between two
bodies at different temperatures. Work (w) is the transfer of mechanical
energy, potential energy is based on position, and energy is the capacity to
do work or supply heat.
2. Work (w) in thermodynamics is best defined as:
A) The transfer of thermal energy between two bodies at different
temperatures
B) The capacity to supply heat or do work
C) The transfer of mechanical energy causing matter to move against an
opposing force
D) The energy an object possesses because of its motion
Correct Answer: The transfer of mechanical energy causing matter to move
against an opposing force
,Rationale: Work (w) is the transfer of mechanical energy that causes matter
to move against an opposing force. Heat is thermal energy transfer, potential
energy is based on position, and kinetic energy is based on motion.
3. Potential energy is defined as:
A) The energy an object possesses because of its motion
B) The transfer of thermal energy between two bodies at different
temperatures
C) The capacity to supply heat or do work
D) The energy an object possesses because of its relative position
Correct Answer: The energy an object possesses because of its relative
position
Rationale: Potential energy is the energy an object has due to its relative
position or configuration. Kinetic energy is the energy of motion. Energy is
the capacity to do work or supply heat.
4. Kinetic energy is defined as:
A) The energy an object possesses because of its relative position
B) The energy that an object possesses because of its motion
C) The transfer of thermal energy between two bodies at different
temperatures
D) The capacity to supply heat or do work
Correct Answer: The energy that an object possesses because of its motion
Rationale: Kinetic energy is the energy of motion. Potential energy is due to
position, heat is thermal energy transfer, and energy is the capacity to do
work or supply heat.
, 5. The First Law of Thermodynamics states that:
A) Energy can be created and destroyed
B) Energy cannot be created or destroyed, only converted into other forms
C) Entropy of the universe is always increasing
D) Heat flows from cold to hot spontaneously
Correct Answer: Energy cannot be created or destroyed, only converted into
other forms
Rationale: The First Law of Thermodynamics states that energy cannot be
created or destroyed; it can only be converted from one form to another. This
is also known as the Law of Conservation of Energy.
6. A spontaneous process is one that:
A) Requires continual energy input from an external source
B) Occurs naturally under certain conditions without external intervention
C) Always releases heat to the surroundings
D) Cannot be reversed under any circumstances
Correct Answer: Occurs naturally under certain conditions without external
intervention
Rationale: A spontaneous process occurs naturally under certain conditions
without requiring external energy input. A nonspontaneous process requires
continual energy input from an external source.
7. A nonspontaneous process is one that:
A) Occurs naturally without external intervention
