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In a closed system, energy can neither enter nor exit. It can only be transferred or transformed within the system. This means that the total amount of energy in the system remains constant, following the principle of conservation of energy.
When energy is transferred from one system to another, it can result in changes in the motion, temperature, or other properties of the receiving system. This transfer can occur through processes such as conduction, convection, or radiation, and the energy can be converted from one form to another during the transfer.
The concentration of energy before it is transferred can vary depending on the system. In a closed system, the energy is typically stored and transferred as potential or kinetic energy. For example, in a battery, energy is stored as chemical potential energy before being transferred as electrical energy.
When kinetic energy is transferred to heat in a system, it happens through the collision and movement of particles within the system. As the particles move and collide, their kinetic energy is converted into heat energy, increasing the overall temperature of the system.
In an isolated system, the total energy remains constant. This is known as the principle of conservation of energy, which states that energy cannot be created or destroyed, only transferred or transformed. Therefore, the total energy within an isolated system is conserved.
Thermal energy is always transferred in a system through three main processes: conduction, convection, and radiation. Conduction occurs when heat is transferred through direct contact between objects, convection happens when heat is transferred through the movement of fluids or gases, and radiation involves the transfer of heat through electromagnetic waves. These processes work together to ensure that thermal energy is constantly being transferred within a system.
Energy can enter or exist an open system
In a closed system, mass and energy are conserved. This means that the total amount of mass and energy remains constant and cannot be created or destroyed, only transferred or transformed from one form to another.
Energy is transferred into a system through processes like heating, work done on the system, or electromagnetic radiation. Energy can leave a system through processes like cooling, work done by the system, or emission of radiation.
energy is tranferred from insects to fish in this system by?
The total energy within the closed system remains constant. Energy can be transferred between different forms (such as kinetic and potential energy) or between different objects within the system, but the overall amount of energy does not change.
It helps to think of work as "transfer of energy". If you do energy on a system, its energy content increases. If the system does work on something else, the system's energy content decreases.