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Physical Change, the window is still a window and you can get it back to its original state by re-melting it (although i dont see why you would want to do this). No new substace was formed, nor anything given off. :)
What else can I help you with?
Is steam condenses on a cold window chemical change?
No, condensation of steam on a cold window is a physical change, not a chemical change. The water vapor in the steam undergoes a change in state from gas to liquid as it loses heat energy to the cold window, but the water molecules themselves remain unchanged.
If you break a window is it a physical change or chemical change?
physical.
What is the breaking of a glass window is a physical change is true or false?
True.
Is breaking a glass window with a baseball a chemical change or physical change?
Breaking, grinding, cracking are all examples of a physical change. The nature of the substance has not changed, just the size of the pieces has changed.
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 does physical chang happen?
a physical change happens when something is changed physically, for example, snapping a twig or popping a balloon is physical change, but actions like burning wood or cooking an egg are not physical.
What two main kinds of change that you can observe when chemical reactions occur?
ripping a towel, or breaking a glass window
Is water vapor condensing on a cold window a physical or chemical change?
Water vapor condensing on a cold window is a physical change. It is simply a change in state from a gas (water vapor) to a liquid (water) due to the temperature difference. No new substances are formed during this process.
Are the salt crystals produced when a glass of saltwater is left on a window sill for several days a chemical or physical change?
The formation of salt crystals from saltwater on a window sill is a physical change. In this process, the water evaporates, leaving behind the salt crystals. The composition of the salt remains the same, so it is considered a physical change.
Are ice crystals forming on a window physical changes?
Physic
Is dew forming on a window considered a chemical change?
No, it is considered a physical change because chemically, water is still H2O, it has simply changed state by condensing.
If frost forms on a window is it a physical chang or a chemical?
Physical- that is water vapor freezing into ice. It can be reversed (warm up the window) Chemical changes don't reverse.
