Energy and Chemical Change (Thermodynamics)

In thermodynamics, the universe is defined as the system plus its surroundings.

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Potential energy is the energy of motion.

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During a chemical reaction, the chemical potential energy of a substance is released as heat.

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NGSS.HS-PS1-4

Potential energy is due to the composition or position of an object.

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NGSS.HS-PS2-4

Energy exists in two basic forms, potential and kinetic energy.

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NGSS.MS-PS3-2

Energy is the ability to do work or produce heat.

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NGSS.HS-PS3-4

The law of conservation of energy states that energy is neither created nor destroyed.

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NGSS.HS-PS3-1

NGSS.HS-PS3-2

The symbol “h” is used to represent heat.

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Chemical potential energy is stored in the chemical bonds of a substance.

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NGSS.HS-PS1-4

Thermochemistry is the study of heat changes that accompany chemical reactions and phase changes.

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NGSS.HS-PS1-4

NGSS.HS-PS3-4

NGSS.HS-PS1-5