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May 28, 2015

Homework Help: Physics

Posted by Tiffany on Wednesday, January 30, 2013 at 6:00pm.

You have collected exactly 2800 aluminum cans for recycling, each with a mass of 13.6 g. How much energy is needed to melt them if their initial temperature is 26.2◦C? Assume the specific heat, the latent heat and the melting point of aluminum are 899 J/kg ◦ C,
3.97 105 J/kg and 660.4 ◦C, respectively. Answer in units of J

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