Thursday
July 30, 2015

Homework Help: science

Posted by sam on Friday, April 25, 2008 at 2:45pm.

if the specifc heat of iron = 0.46J/g C,how much heat is needed to warm 50g of iron from 20C to 100C

-- I do not know how to make the celcius o above the temperature number

my anwswer

Q = Mx(delta)TxC
Q=50gx80Cx0.46J/gC
Q = 1840 Joules

Delta = the triangle I do not know how to make that on the computer

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