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Q: When you cut a Copper wire for wires in half in half is it example of what change?
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When you cut a Copper wire in half it is example of what change?

Phisical


When copper is split in half that's a physical or chemical change?

It is a physical change since...well...no other chemicals are involved...copper is still copper.


Is a piece of copper cut in half a physical or chemical change?

Physical change


Is a piece of copper is cut in half a physical or chemical change?

Physical change


Is piece of copper is cut in half a physical or a chemical change?

Physical change


What would breaking your pencil in half be an example of?

physical change


What is the silver value of a 1976 Kennedy half dollar?

If it's one you got in change or a bank roll and is copper-colored on the edge, there is absolutely no silver in it.


Is a piece of metal is bent in half a chemical change?

It is a physical change because only its shape changed, not its chemical composition.


What elements are in a half dollar?

Copper and nickel.


What a half dollar is made of?

Since 1971, U.S. half dollars have been made of nickel-coated copper (91.67% copper and 8.33% nickel).


At what energy does the Half Value Layer change from aluminum to copper?

The HVL doesn't change. The thickness of Al or Cu used to determine HVL will change as energy changes. At any energy you are able to state HVL in terms of Cu or Al.


What is the metal makeup of a half dollar?

Current half dollars are made copper and nickel.