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Which of the following changes can occur in a substance as the energy of its particles decreases?
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8. Thermochemistry
Nature of Energy
Scelta multipla
Which type of energy is stored in chemical compounds and released during chemical reactions?
A
Electrical energy
B
Chemical energy
C
Kinetic energy
D
Thermal energy
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Understand that energy can exist in various forms such as electrical, kinetic, thermal, and chemical energy.
Recognize that chemical compounds store energy within the bonds between atoms; this energy is called chemical energy.
During a chemical reaction, these bonds are broken and new bonds are formed, which results in the release or absorption of energy.
Identify that the energy released during chemical reactions comes specifically from the chemical energy stored in the bonds of the compounds.
Conclude that the correct type of energy stored in chemical compounds and released during chemical reactions is chemical energy.
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