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April 20, 2014

April 20, 2014

Posted by **help me please** on Friday, April 8, 2011 at 9:00am.

- physic -
**bobpursley**, Friday, April 8, 2011 at 9:08amThe sum of the heats gained is zero.

Heatcodensingsteam+heatcondensedsteamTofinalTemp+heatwater to finaltemp+heatcopper to finaltemp=0

Heat gained condensing steam=-.00150*Hv the sign is negative because heat is LOST.

Heat gained by condensed steam=.0150(cw)(Tf-100)

Heat gained by heated water=.150*Cw*(Tf-19.3)

Heat gained by copper=.054(Ccu)(Tf-19.3)

add all these, set to zero, and solve for Tf.

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