Tuesday
October 21, 2014

Homework Help: PHYsics

Posted by arriell on Sunday, November 1, 2009 at 7:21pm.

the temp of air in a foundry increases when molten metals cool and solidify. Suppose a 45 x 10^6 J of energy is added to the surrounding air by the solidifying metal. The air's temp increases by 55 C, and the air has a specific heat capacity of 1.0 x 10^3 J/kg x C. What is the mass of the heated air?

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