Physics lab please help!

  • Thread starter astru025
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  • #1
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In this lab I am supposed to find specific heat of metal, and then recalculate the specific heat using a final temp. 1 degree Celsius above and below measured value. I am really struggling with finding this specific heat of the metal.

The lab is this: mass of water: 200 g. Initial temp of water: 20 degree Celsius. Mass of metal ball: 80 g. Initial temp of metal ball: 75 degree Celsius. Equilibrium twmperature when metal ball is put into water: 47.5 degree Celsius. For specific heat of the metal I got 2.5 cal/ g x Celsius. It keeps saying this is wrong... The box I'm putting it in says "Cmetal using Tf". I'm not sure what I'm doing wrong. I know this isn't a whole lot of information but I hope someone can help me!
 

Answers and Replies

  • #2
gneill
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Hi astru025.

Please use the Homework formatting template provided when you start a new thread.

Your numeric result (2.5) looks okay to me for the units you've indicated, so perhaps the system is expecting some other units or for them to be specified in a different way? What is the data entry format?
 

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