Seudónimo Seudónimo

21-12-2016
Physics

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Evidence to a chemical and physical change "a straight piece of wire is coiled to form a spring

Evidence to a chemical and physical change a straight piece of wire is coiled to form a spring class=

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maddieravotti maddieravotti

29-12-2016

the physical change is that it changed shapes it never changed its chemical identity it would be different if the spring was rusted it's like how you can rip a piece of paper in half and it is still paper

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