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posted by  Mandy5 on 9/10/2008 1:38:30 AM  |  status: Live  

Heat Capacity

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Question Details:
How much heat must 2.5g of gallium absorb from your hand to raise its temperature from 25.0 C to 29.9 C? The heat capacity of gallium is 0.372 J/g C.
 
I need help on the rule of converting heat capacity...please show calculation from beining to end. Thanks 
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posted by Jesley on 9/10/2008 2:54:24 AM  |  status: Live
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"Thank You so much."
Response Details:
data: mass of gallium ,m= 2.5g
heat capacity , Cp = 0.372J/g.0C
T1 = 250C, T2 = 29.90C
heat absorbed, Q = mCpΔT
                                   Q=(2.5g)*(0.372J/g.0C)*(29.90C-250C)
                                       =4.557 J
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