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Molecular motion is less constrained in liquid than in solid and is less constrained in gas than in liquid.

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12y ago

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How do the molecular energy molecular motion and overall mass of a substance change when matter changes state?

When matter changes state, the molecular energy generally increases as heat is added or decreases as heat is removed. Molecular motion increases as the substance transitions from a solid to a liquid to a gas. The overall mass of the substance remains the same throughout the phase change process, as no particles are added or removed.


Does molecular motion stop when diffusion stops?

No, molecular motion does not stop when diffusion stops. Molecular motion refers to the movement of molecules within a substance, which continues even when there is no net movement of molecules from one region to another (diffusion).


What is a thermal energy of a substance?

the total energy from molecular motion.


What happens to the molecular motion when heat energy is increased?

When heat energy is increased, the molecules in a substance gain more kinetic energy and move faster. This increased molecular motion leads to a rise in temperature and can result in changes in the state of matter, such as melting or boiling.


What is the theory called when a substance in motion changes in motion?

Newton's Theory.


How does matter physically change when it changes its phase or state?

Its motion changes speed on the molecular level


Molecules are not in random motion when that substance is at?

Molecules are not in random motion when a substance is at absolute zero, the lowest possible temperature at which molecular motion ceases. At this point, molecular movement only exists due to the zero-point energy, preventing complete immobilization.


What is the thermal energy of a substance?

Thermal energy of a substance is the internal energy associated with the random motion of its atoms and molecules. It is a measure of the total kinetic energy of the particles within the substance.


When a substace is heated how does the molecular motion change?

When a substance is heated, the molecules within it absorb energy and increase their kinetic energy, causing them to move more rapidly. This increased molecular motion leads to increased collisions between molecules and a higher overall temperature of the substance.


How does the molecular motion of a substance change as it transitions from liquid to gas?

As a substance transitions from liquid to gas, the molecular motion increases. In the liquid state, molecules move more freely but are still close together. When the substance becomes a gas, the molecules move even more rapidly and are much farther apart.


What is a measure of the average of motion of molecular?

The measure of the average motion of molecules is temperature. Temperature is a reflection of the average kinetic energy of the molecules in a substance.


How do you describe the dissolving process as a result of random molecular motion?

In the dissolving process, the solute particles break apart and disperse into the solvent due to the random motion of molecules. This motion causes collisions between solute and solvent molecules, leading to a gradual mixing at the molecular level until the solute is evenly distributed throughout the solvent.