heat required in example 8.3 pg 270

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Paula Dowdell 1F
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Joined: Tue Nov 15, 2016 3:00 am

heat required in example 8.3 pg 270

Postby Paula Dowdell 1F » Mon Jan 22, 2018 3:12 pm

Hi!

I am confused about how they found the heat required (delta T) in example 8.3 from the book on page 270. Can someone walk me through this part?

Thanks!

Hannah Chew 2A
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Re: heat required in example 8.3 pg 270

Postby Hannah Chew 2A » Mon Jan 22, 2018 4:20 pm

delta T is the final temperature minus the initial temperature, so in this case, 100 degrees celsius -20 degrees celsius. The means that delta T = 80 degrees celsius. You can also write it as 80K because the difference in temperature can be expressed as either unit.


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