Law of conservation of energy
In a closed system the sum of all energies is constant. The total energy is conserved. It is valid:
E=E1+E2+ ... + E
E total energy
E1, E2, ... Energies in the different forms of energy
In the many transformations and transfers of energy that occur in nature, technology, and everyday life, the total energy always remains the same. It can appear in different forms, but it always remains in total - https://domyhomework.club/chemistry-problem-solver/ , even if it is distributed spatially differently. For any processes in nature, technology and everyday life, the law of conservation of energy applies, in short also called the law of conservation of energy or general law of conservation of energy. It reads:
In a closed system, the sum of all energies is constant. The total energy is conserved.
It is valid:
E=E1+E2+ ... + E
norΔE=0 E total energy
E1, E2, ... Energies in the different energy forms
By a closed system one understands a selected space area - do my php assignment , with which no material and energy exchange with the environment can take place. Which space area one considers in each case depends on the given conditions and on the goals one pursues.
Historical facts about the law of conservation of energy The first approaches to the formulation of the law of conservation of energy are in mechanics. Already Galileo Galilei (1564-1642) was probably convinced of the conservation of energy in the mechanical field.
Supported by works of Leibnitz, D. Bernoulli, Euler and d'Alembert the law of conservation of energy in mechanics was formulated in the second half of the 18th century - homework website . However, it was not recognized as a general principle, but only for the field of mechanics.
In the first third of the 19th century, numerous investigations were carried out on heat engines. The established relations between heat and work already led close to the 1st law of thermodynamics.
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