- #1
math989
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Homework Statement
Calculate themass of iron at 100C that causes 20.0 kg of water to change temperature from 16C to 18C. C of iron is 460 J/kg C. The C for water is 4190. [/B]
Homework Equations
q1+q2=0
q=mct[/B]
The Attempt at a Solution
q1=-q2
mct=-mct
20(4190)(2)=-m(460)(100)
167600=46000m
3.5=m