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The temperture of some water with a mass of 10.0g and a specific heat of 4.2 changed form 25.0 degrees celcius to 35 degrees celcius.how much heat was absorbed?

 May 27, 2014

Best Answer 

 #2
avatar+33661 
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Heat absorbed = mass*specific heat*temperature rise

The units of specific heat are important. You didn't specify them, but for water the specific heat is 4.2 J/(g.K).  So the heat absorbed is 10*4.2*(35-25) J = 420 Joules.

 May 27, 2014
 #1
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0

heat was absorbed

=  7337.8 J

 May 27, 2014
 #2
avatar+33661 
+5
Best Answer

Heat absorbed = mass*specific heat*temperature rise

The units of specific heat are important. You didn't specify them, but for water the specific heat is 4.2 J/(g.K).  So the heat absorbed is 10*4.2*(35-25) J = 420 Joules.

Alan May 27, 2014
 #3
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0

thanks alan!

 May 28, 2014

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