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abtj4r7668g
13.02.2021 •
Chemistry
Which statement best describes the law of conservation of energy?
A. Energy is created but never destroyed during an energy
conversion.
B. The total amount of energy does not change during an energy
conversion.
C. Kinetic energy always equals potential energy.
D. Energy always changes back to its original form.
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Ответ:
Why? - The total amount of energy and matter in the Universe remains constant, merely changing from one form to another. The First Law of Thermodynamics (Conservation) states that energy is always conserved, it cannot be created or destroyed. In essence, energy can be converted from one form into another.
Ответ:
The energy change in a chemical reaction is due to the difference in the amounts of stored chemical energy between the products and the reactants. This stored chemical energy, or heat content, of the system is known as its enthalpy.
Explanation:
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