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5. 4.55/9.09 points | Previous Answers KatzPSE1 19.P.022 A copper cube with density 8.96 x 103 kg/m3 and mass 12.0 kg at 21.0°C is heated to 140°C (a) What is the density of the copper cube at this new temperature? (Give your answer to at least three significant figures.) kg/m3 (b) What is the mass of the copper cube at this new temperature? 12 kg Need Help? Watch It

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