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Yes, the metal bar undergoing a color change due to heating in a fire is a physical change, not a chemical change. Chemical changes involve the formation of new substances with different chemical properties. Heating a metal bar until it glows red hot does not alter its chemical composition.
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Is using hot water to expand a metal cup a physical or chemical change?
Using hot water to expand a metal cup is a physical change. The change in size and shape of the cup is due to the expansion of the metal atoms when heated, but the chemical composition of the metal cup remains the same.
Is rusting a chemical property or a chemical change?
Rusting is a chemical change because it involves a chemical reaction between iron, oxygen, and water to form iron oxide (rust). It results in the formation of a new substance with different chemical properties than the original iron.
If copper metal rusts would it be a physical change?
No, rusting of copper metal is a chemical change, not a physical change. This is because rusting involves a chemical reaction between copper and oxygen in the presence of water or moisture to form copper oxide, which changes the chemical composition of the metal.
When metal lithium is cut is it physical or chemical change?
Physical because the Lithium metal is still lithium. However, it can be argued that the cut would cause some oxidation due to surface area increase and lithium oxide will be formed as a result so there is a small amount of chemical change too.
Why the rusting of an iron pole is not physical change?
The rusting of an iron pole is a chemical change. An example of a chemical change would be crumbling a piece of paper. When you are crumbling this piece of paper, the contents of the paper have not change and you are able to uncrumble the paper there is no difference except the paper has wrinkles. :) However in an example of chemical change like a metal rusting, you cannot un-rust it, it was chemically changed. Another example of a chemical change would be burning a piece of paper to ashes.
Is shortening metal a physical or chemical change?
Of itself a metal can not be "shortened". However, a metal OBJECT such as a piece of metal wire can be shortened by cutting a piece off. This would be a physical change.
Is metal cooled and taken out of a mold a physical or chemical change?
This would be a physical change because there is no change in the chemical make up of the metal and there is no creation of new substances there is simply a change in state for the metal.
Is rusting a physical change of metal?
Chemical Yes. The metal is being converted to an oxide of that metal. Most would (correctly) describe this as a chemical change, but physics has a lot to do with how that happens.
Is using hot water to expand a metal cup a physical or chemical change?
Using hot water to expand a metal cup is a physical change. The change in size and shape of the cup is due to the expansion of the metal atoms when heated, but the chemical composition of the metal cup remains the same.
Is hammering metal into a flat sheet physical or chemical change?
A physical change means converting how an object looks or feels. Water changed into ice or water would be a physical change. Breaking, bending, melting, evaporating are all physical changes. A chemical change would be changing an object into something you can't change back. Taking bark off a tree (physical) and burning it is a chemical change. Chemical change means burning, rusting, and combustion. I hope this helped. Nossy
Is rusting a chemical property or a chemical change?
Rusting is a chemical change because it involves a chemical reaction between iron, oxygen, and water to form iron oxide (rust). It results in the formation of a new substance with different chemical properties than the original iron.
Is the heating of iron III oxide for sometime a physical or chemical change?
Just heating the metal would be a physical change, as you would only have a warmer iron III oxide. However, if the heat caused a reaction, it would then be a chemical change.
If copper metal rusts would it be a physical change?
No, rusting of copper metal is a chemical change, not a physical change. This is because rusting involves a chemical reaction between copper and oxygen in the presence of water or moisture to form copper oxide, which changes the chemical composition of the metal.
Is non rusting metal a physical change?
If by non rusting you mean it is in the same state it was made in then it wouldn't be part of any change. But if something is rusting it would be a chemical change because the metal is changing composition and it is not the same metal it was in the first place.
Is metal rusting a chemical change?
Yes, metal rusting is a chemical change because it involves a reaction between the metal and oxygen in the presence of moisture, which forms a new substance called iron oxide. This process is irreversible and results in a physical and chemical change in the metal.
What could cause a physical change in a solid piece of sodium metal?
Exposure to air or moisture can cause sodium metal to oxidize and form sodium hydroxide, a different chemical compound. This chemical reaction would result in a physical change in the appearance and properties of the sodium metal.
When metal lithium is cut is it physical or chemical change?
Physical because the Lithium metal is still lithium. However, it can be argued that the cut would cause some oxidation due to surface area increase and lithium oxide will be formed as a result so there is a small amount of chemical change too.
