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April 17, 2014

Homework Help: Chemistry

Posted by Allyssa on Thursday, July 19, 2007 at 4:28pm.

Can someone please explain how to solve this problem. Thank you very much.

A chunk of silver has a heat capacity of 42.8 J/degrees C. If the silver has a mass of 181 grams, calculate the specific heat of silver.

Heat capacity is 42.8 J/C for 181 g. What you want is for 1 g. So----
42.8/181 = ?? J/g*C
Check my thinking.

So does the specific heat of silver equal 0.23?

so does the specific heat of silver equal 0.23?

Approximately, yes. You are allowed one more place in the answer. Since there are three significant figures in both 42.8 and 181, you are allowed three in the answer. Therefore, 0.236 J/g*C would be a better answer.

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