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Internal energy is the energy of a system as a state function, measured as the quantity of energy necessary to bring the system from its standard internal state to its present state. It depends on the entropy, volume and number of particles of the system, and excludes the kinetic and potential energies of motion and position of the system as a whole.
Learn how to calculate changes in internal energy and how to apply the first law of thermodynamics to chemical reactions. Explore the concepts of system, surroundings, state function, heat, work, and thermochemical equations.
Learn the definition, equation, and examples of the first law of thermodynamics, which relates heat transfer, work, and internal energy of a system. Explore the atomic and macroscopic views of internal energy and how it depends on state variables.
Learn what internal energy is, how it is related to heat and work, and how it changes in different processes. Find out the components, types, and examples of internal energy with videos and solved problems.
18 lip 2023 · Learn how internal energy is defined and measured for gases and liquids, and how it relates to chemical reactions and heat changes. See examples of energy changes in the decomposition of ozone and other reactions.
Learn about internal energy, the energy associated with the random motion of molecules, and how it relates to temperature, enthalpy, and specific heat. Explore examples, visualizations, and equations of internal energy for different substances and processes.
30 sty 2023 · Internal energy is the sum of all the microscopic energies of a system. Learn how to calculate the change in internal energy using the first law of thermodynamics and the signs of heat and work.
