How much heat energy is required to melt a 20 g block ofsilver at 20 degree cels

Question

How much heat energy is required to melt a 20 g block ofsilver at 20 degree celsuis? The melting point of silver is 960degree celsuis, its specific heat is .056 cal/g/degree celsuis, andits heat of fusion is 21.1 cal/g/c. Can someone show me the steps. Thanks! How much heat energy is required to melt a 20 g block ofsilver at 20 degree celsuis? The melting point of silver is 960degree celsuis, its specific heat is .056 cal/g/degree celsuis, andits heat of fusion is 21.1 cal/g/c. Can someone show me the steps. Thanks!

Explanation / Answer

Q=mL+mCT Q=20*21.1+20*0.056*(960-20) Q=1474.8cal=1474.8*4.18=6164.664J

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