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the chemical energy possessed by a substance due to the nature of its chemical bonds and its state (pressure, temperature, volume).?

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Final answer:

Chemical energy is defined by the chemical bonds and state conditions such as pressure, temperature, and volume, influencing a substance's potential to do work or release heat. Intermolecular forces and kinetic energy determine a substance's state and phase transitions. Enthalpy is a measure that incorporates this chemical and physical behavior.

Step-by-step explanation:

The chemical energy that a substance possesses is primarily due to the chemical bonds that hold together the atoms in a molecule or compound, and it is influenced by the substance's state including pressure, temperature, and volume.

Chemical potential energy refers to the energy that is stored within these bonds and can be released during a chemical reaction. This concept is closely linked to enthalpy (H), which is a measure of a system's total energy considering internal energy along with the product of pressure (P) and volume (V).

Intermolecular forces and kinetic energy also play a crucial role in determining the state of a substance. As temperature increases, kinetic energy of particles increases, which may lead to a change in state; for example, causing a solid to melt or a liquid to boil.

Conversely, increasing pressure can force molecules closer together, strengthening intermolecular forces, and potentially leading to a phase change such as gas to liquid.

Understanding the balance between these energies is essential when discussing how substances react and change state in response to variations in environmental conditions, which is a fundamental aspect of thermodynamics in chemistry.

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