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Describe how the structure of the molecules in a solid change as it becomes a liquid?
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∙ 14y ago
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∙ 14y ago
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Changes of state are considered physical changes because?
Physical changes are changes that don't change the structure of the individual molecules. Though heating a liquid to a gas will change how the molecules are bound to each other, the individual molecules will not change. This is contrasted from a chemical change, where the atoms of the molecules are rearranged.
What describes the structure of protein molecules?
Protein is very high in calsium. It will easily change to level 87
What happenes when a solid turns into a liquid?
When a substance is in liquid from and changes in to a solid it freezes. It is also called solidification
What is a physical change for a log?
The logs cellular structure becomes burnt.
How does watercolor change in temperature?
Water color does not necessarily change when freezing, it simply becomes more opaque. The molecules are moving less, causing the water to turn to a solid.
Can molecular structure of moonlight change random?
No. Light is not made of molecules and has no molecular structure to change.
Describe the change in the position of molecules that takes as a material melts?
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How does the motion of molecules change during freezing?
It becomes much more restricted.
Changes of state are considered physical changes because?
Physical changes are changes that don't change the structure of the individual molecules. Though heating a liquid to a gas will change how the molecules are bound to each other, the individual molecules will not change. This is contrasted from a chemical change, where the atoms of the molecules are rearranged.
What describes the structure of protein molecules?
Protein is very high in calsium. It will easily change to level 87
How come water doesnt change as it melts from solid to liquid water?
Water does change as it melts from a solid to liquid. That's the change. Its molecules speed up and separate from the lattice structure structure of the ice and become fluid. This is called a physical change because the water molecules themselves do not undergo a change. Solid water and liquid water are still water.If you're talking about temperature, the temperature does not change during the phase change. That's because the heat energy is being used to remove water molecules from the lattice structure. Once all of the water molecules a separated, the temperature can increase.
How does liquid water change when it becomes ice?
it becomes less dense and floats. the molecules are also further apart an move very slowly.
In physical change can matter change its shape?
If by matter you mean molecules / atoms then no. Physical change is when the look / shape of something is changed but not its chemical structure, chemical change is when the molecules that make up the object n question are changed.
Why is solid usually hard?
A solid has two main forms. Amorphous is where the molecules aren't in a perfect pattern, allowing change to the structure. Crystalline is where the molecules are in a perfect pattern, disallowing change.
Describe the motion of molecules of a substance change as the energy is increased?
As energy increases molecules begin to move faster and shake more vigorously if you take energy out molecules do the opposite.
What happenes when a solid turns into a liquid?
When a substance is in liquid from and changes in to a solid it freezes. It is also called solidification
What Change is happening as a liquid changes to a gas?
its boiling, the molecular structure of the liquid is changing. The molecules are moving farther apart and moving faster. Gas molecules are fartherest apart and move randomly and rapidly. If you put more air into a balloon it becomes harder because the air molecules are moving faster in a defined space. It explodes when the molecules exert more pressure than the balloon itself can stand.
