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What happens to the particles of a liquid as the liquid freezes?
As a liquid freezes, its particles slow down and move closer together, forming a solid crystal lattice structure. This results in a decrease in the random motion of the particles and a decrease in the volume of the substance as it transitions from a liquid to a solid state.
How does adding heat affect molecular motion?
Adding heat increases the kinetic energy of molecules, causing them to move faster and more randomly. This increased molecular motion can lead to changes in the physical state of matter, such as melting a solid into a liquid or vaporizing a liquid into a gas.
What change in state involves a decrease in molecular motion?
The change from a gas to a liquid involves a decrease in molecular motion. In this phase transition, the particles come closer together, reducing their kinetic energy and resulting in a more ordered arrangement.
What is the transfer of heat through a fluid (liquid or gas) caused by molecular motion?
Convection is the transfer of heat through a fluid (liquid or gas) caused by molecular motion. As the fluid is heated, its molecules move faster and spread apart, becoming less dense. This creates convection currents that transport heat throughout the fluid.
Which change in state involves a decrease in molecular motion?
The change from a gas to a liquid involves a decrease in molecular motion. In this phase transition, particles lose energy and come closer together, resulting in a decrease in their overall movement and a more ordered arrangement.
What happens to the particles of a liquid as the liquid freezes?
As a liquid freezes, its particles slow down and move closer together, forming a solid crystal lattice structure. This results in a decrease in the random motion of the particles and a decrease in the volume of the substance as it transitions from a liquid to a solid state.
What is the exact molecular motion of liquid?
It is not known and, thanks to Brownian motion, it cannot be known.
How molecular motion changes as a substance changes from one state to another?
As a substance changes from a solid to a liquid, the molecular motion increases as the intermolecular bonds break and the molecules can move past each other more freely. When a substance transitions from a liquid to a gas, the molecular motion increases further as the molecules have enough energy to overcome intermolecular forces entirely and move independently.
Which state of matter has the least molecular motion?
The solid state has the least molecular motion.
What happens to the solubility of a gas in a liquid if the temperature goes up?
When the temperature of a liquid increases, the solubility of gas in the liquid decreases. This is because as temperature rises, the kinetic energy of the gas molecules increases, causing them to escape from the liquid more easily.
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 the definition of a Convection cell?
The transfer of heat through a fluid (liquid or gas) caused by molecular motion.
How does adding heat affect molecular motion?
Adding heat increases the kinetic energy of molecules, causing them to move faster and more randomly. This increased molecular motion can lead to changes in the physical state of matter, such as melting a solid into a liquid or vaporizing a liquid into a gas.
What change in state involves a decrease in molecular motion?
The change from a gas to a liquid involves a decrease in molecular motion. In this phase transition, the particles come closer together, reducing their kinetic energy and resulting in a more ordered arrangement.
Does molecular motion decrease when water is boiling?
No, molecular motion actually increases when water is boiling. When water reaches its boiling point, the molecules absorb enough heat energy to break free from the liquid phase and transition into the gaseous phase, leading to increased molecular motion.
What happens to the molecular level when substances get hot?
When substances get hot, the molecules gain energy and vibrate more rapidly. This increase in molecular motion causes the substance to expand, changing its physical state (e.g. from solid to liquid or from liquid to gas) if the heating continues. Heating can also break the bonds between molecules, leading to chemical reactions and changes in the substance's properties.
Which arrangement shows an increasing raneg of molecular motion?
The increasing range of molecular motion typically occurs in the following order: solid < liquid < gas. In a solid, molecules have the least amount of motion as they are tightly packed and don't move much. In a liquid, molecules have more freedom to move around but are still relatively close together. In a gas, molecules have the highest range of motion as they are far apart and move freely.
