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A straight piece of wire is coiled to form a spring. Is it a Chemical or ra physical change? explain by justifying your answer.
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Compare and contrast physical changes with chemical changes.
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Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.
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Avariable that is not being directly tested during an experiment should be changed varied experimented controlled
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A straight piece of wire is coiled to form a spring. Is it a Chemical or ra physical change? explain...
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