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July 7, 2015

Homework Help: chemistry

Posted by Danny on Sunday, November 22, 2009 at 5:30pm.

How many calories are required to heat 25.0 g of platinum from 24.5 C to 75C (specific heat of platinum = 0.139 J/gK)?

1. 47 cal
2. 42 cal
3. 48 cal
4. 20 cal
5. 80 cal

Thank you.

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