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Questions and Answers
What is thermal energy?
What is thermal energy?
- Energy transferred between systems due to a temperature difference
- The kinetic energy of vibrating and colliding atoms in a substance (correct)
- The energy stored in the microscopic degrees of freedom of the modes of vibration
- The energy flowing within a system called internal energy
In thermodynamics, what is heat defined as?
In thermodynamics, what is heat defined as?
- Thermal energy itself
- Energy transfer (correct)
- The energy stored in the microscopic degrees of freedom
- The kinetic energy of vibrating and colliding atoms
What is the correct statement for both the strict and loose meanings of heat?
What is the correct statement for both the strict and loose meanings of heat?
- The hot metal bar is solely conducting internal energy
- The hot metal bar is transferring heat to its surroundings (correct)
- The hot metal bar is not transferring any heat
- The hot metal bar contains heat energy
What is the term used in informal usage despite the fact that physics defines heat as energy transfer?
What is the term used in informal usage despite the fact that physics defines heat as energy transfer?
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What is the energy flowing within a metal bar called if considered a thermodynamic system?
What is the energy flowing within a metal bar called if considered a thermodynamic system?
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