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When copper metal is heated to 1100 oC it melts. Is this a chemical or physical change? Explain your answer
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Compare and contrast physical changes with chemical changes.
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A250 g sample of water with an initial temperatureof 98.8 closes 6500 joules of heat. what is the finaltemperature of the water?
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When copper metal is heated to 1100 oC it melts. Is this a chemical or physical change? Explain your...
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