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What happens to the molecules in dry ice as it undergoes a phase change from solid to gas?
As dry ice undergoes sublimation, the solid carbon dioxide molecules gain energy and transition directly from a solid state to a gas without passing through a liquid phase. This process occurs when the temperature increases or the pressure decreases, allowing the molecules to overcome the intermolecular forces holding them in a solid structure. As a result, the solid dry ice transforms into carbon dioxide gas, expanding rapidly and creating a visible fog due to condensation of moisture in the air.
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What phase change happens when something dissolves?
Dissolving a substance does not involve a phase change.
What happens to the size of the molecules during a phase change?
During a phase change, the arrangement of molecules changes while their size remains the same. For example, when a solid transitions to a liquid, the molecules rearrange into a more disordered state, but their actual size does not change.
What happens to snow molecules during phase change?
During a phase change from solid snow to liquid water, the snow molecules absorb heat energy and gain enough kinetic energy to break their bonds and transition into liquid form. This process is called melting.
Why butane easily undergoes change in phase?
Butane easily undergoes a change in phase due to its relatively low molecular weight and the weak van der Waals forces (dispersion forces) between its molecules. These weak intermolecular interactions allow butane to transition between gas, liquid, and solid states with changes in temperature and pressure. Additionally, its simple molecular structure enables it to vaporize or condense readily, facilitating phase changes.
What happens when water boils and turns in to gas?
When water boils, it undergoes a phase change from liquid to gas as the molecules gain enough kinetic energy to overcome the intermolecular forces holding them together. This process is known as vaporization. The gas that is formed is called water vapor.
What happens to gas when it contracts?
It undergoes phase change and becomes a liquid.
What happens to a gas when it reaches the condensing point?
It undergoes a phase change, and turns to liquid.
What happens to a gas when it reaches it condensation point?
It undergoes a phase change, and turns to liquid.
What kind of change happens to water when is boiled?
physical changeIn gas phase the molecules take more room, move fasterover (1000 times) longer distances before collating to other molecules as compaired to liquid.
What phase change happens when something dissolves?
Dissolving a substance does not involve a phase change.
What happens to the size of the molecules during a phase change?
During a phase change, the arrangement of molecules changes while their size remains the same. For example, when a solid transitions to a liquid, the molecules rearrange into a more disordered state, but their actual size does not change.
What change happens to liquid water when it is cooled to 0 celsius?
When liquid water is cooled to 0 degrees Celsius, it undergoes a phase change to become solid ice. At this temperature, water molecules slow down and arrange themselves into a crystalline structure, forming solid ice.
Which phase change occurs during evaporation?
The phase change that occurs during evaporation is when a liquid changes into a gas. This process happens when the molecules of the liquid gain enough energy to escape into the air.
What happens to snow molecules during phase change?
During a phase change from solid snow to liquid water, the snow molecules absorb heat energy and gain enough kinetic energy to break their bonds and transition into liquid form. This process is called melting.
What happens to water as it frezzes?
As water freezes, it undergoes a phase change from liquid to solid. The molecules in water slow down and come closer together, forming a crystalline structure. This causes the water to expand slightly and become less dense, which is why ice floats on water.
Why butane easily undergoes change in phase?
Butane easily undergoes a change in phase due to its relatively low molecular weight and the weak van der Waals forces (dispersion forces) between its molecules. These weak intermolecular interactions allow butane to transition between gas, liquid, and solid states with changes in temperature and pressure. Additionally, its simple molecular structure enables it to vaporize or condense readily, facilitating phase changes.
Is a phase change an example of a physical or chemical or nuclear or a covalent change?
A phase change is an example of a physical change, not a chemical, nuclear, or covalent change. During a phase change, the substance undergoes a change in state (solid, liquid, gas) without any change in its chemical composition.
