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Their speed - Kinetic Energy - increases as the solid melts.
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How does the speed of the molecules change when ice changes to water?
When ice changes to water, the speed of the water molecules increases. In the solid state as ice, the molecules are held in a rigid structure and have minimal movement. As heat is added, the molecules gain energy, causing them to vibrate faster and break free from their rigid arrangement, resulting in the molecules moving more freely in the liquid state.
How is water ice and water vapor alike?
the speed of the water vapor molecules can be decreased to produce ice
How is water and water vapor alike?
the speed of the water vapor molecules can be decreased to produce ice
Is the amount of water the same after the solid ice change phase to its initial form as an ice water?
A phase change does NOT chance the total number of molecules. There will be some evaporation and sublimation too. During the time that ice melts there will some molecules that sublimate to water vapor and also some water molecules evaporate to vapor. But the total mass and number of molecules will not change.
How is ice a physical change?
Ice changing to water is considered a physical change because the molecules in the ice remain the same substance when they melt to form water. The change in state does not alter the chemical composition of the ice, it only affects the arrangement of the molecules.
Is it physical or chemical when ice melts?
When ice melts, it undergoes a physical change, not a chemical change. The molecules in the ice are still the same water molecules, but they are transitioning from a solid state to a liquid state.
Where do molecules go when ice melts?
The melting of ice is a change of phase, from solid to liquid, a physical processus. The molecules of water (H2O) remain unchanged during the change of phase.
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.
ice crystals forming on a window a chemical change?
No, ice crystals forming on a window is a physical change. A physical change involves a change in the form of a substance without changing its chemical composition. The water molecules in the air condense and freeze on the window, but they are still water molecules.
When ice melts what happens to its chemical composition?
When ice melts, the chemical composition remains the same. Ice is just the solid state of water, so when it melts, it turns into liquid water. The molecules in ice rearrange themselves into a more disordered state to become liquid water, but the chemical makeup of the water molecules themselves does not change.
Why the identity of the water not change when it formed ice?
The identity of water does not change when it freezes into ice because both states are composed of the same molecules—H₂O. The transformation from liquid to solid involves a change in physical state, but the chemical composition remains unchanged. In ice, water molecules are arranged in a crystalline structure, but they retain their fundamental properties. Thus, ice is simply the solid form of water, maintaining its identity throughout the phase change.
When ice changes to water the link up of the atoms does It or does it not change?
When ice changes to water, the arrangement of the atoms does change. In ice, water molecules are held in a rigid, crystalline structure due to hydrogen bonding, while in liquid water, the molecules are more loosely arranged and can move freely. This transition involves breaking some of the hydrogen bonds, allowing the molecules to slide past one another, resulting in a change in the physical state. However, the chemical composition of the water molecules remains the same (H₂O) throughout the process.
