Table of Contents
- 1 What is the relationship between energy work and heat?
- 2 When a hotter body and cold body are kept in contact is the temperature change of both the bodies the same Explain your answer?
- 3 How do you relate heat internal energy and thermal energy to each other?
- 4 Is heat transfer a property of a system?
- 5 How is heat energy stored in a conductor?
What is the relationship between energy work and heat?
Heat is the energy associated with the random motion of particles, while work is the energy of ordered motion in one direction. Therefore heat is “low-quality” energy and work is “high-quality” energy, and this supports the entropy statement of the Second Law.
What do you mean by thermal insulation?
Definition of thermal insulation 1 : the process of insulating against transmission of heat. 2 : material of relatively low heat conductivity used to shield a volume against loss or entrance of heat by radiation, convection, or conduction.
When a hotter body and cold body are kept in contact is the temperature change of both the bodies the same Explain your answer?
Detailed Solution The correct answer is The heat is transferred from a hot body to a cold body only. The heat is transferred from a hot body to a cold body only: The heat travels in three forms: radiation, conduction, and convection.
When heat transfers into a system is the energy stored as heat?
Once energy is transferred via heat, it can be stored in the kinetic energy of the molecules through their random molecular motion. It is not “stored as heat”.
How do you relate heat internal energy and thermal energy to each other?
Thermal and internal energy is equal to the sum total kinetic energy possessed by the the molecules whereas the heat energy is the transfer of thermal energy from high temperature to low temperature.
What is the relationship between temperature and energy in a system?
Conversely, the internal energy and temperature increase ( E > 0) when the system gains heat from its surroundings or when the surroundings do work on the system. The system is usually defined as the chemical reaction and the boundary is the container in which the reaction is run.
Is heat transfer a property of a system?
Heat is not a property of a system. However, the transfer of energy as heat occurs at the molecular level as a result of a temperature difference. Consider a block of metal at high temperature, that consists of atoms that are oscillating intensely around their average positions.
What happens to the internal energy when the system loses heat?
The internal energy and temperature of a system decrease (E < 0) when the system either loses heat or does work on its surroundings. Conversely, the internal energy and temperature increase (E > 0) when the system gains heat from its surroundings or when the surroundings do work on the system. The System and Work
How is heat energy stored in a conductor?
Heat energy is a very difficult energy to store as it can transfer in three different ways from warm surroundings to cooler surroundings. The three processes are conduction, convection or radiation. A conductor is a material that allows internal (thermal) energy to be transmitted through it easily.