Wednesday

July 30, 2014

July 30, 2014

Posted by **Anthony** on Sunday, July 18, 2010 at 1:27pm.

(a) Calculate the final temperature of the bath water.

(b) Calculate the net change in entropy of the system (bath water + boiling water), assuming no heat exchange with the air or the tub itself.

- Physics -
**bobpursley**, Sunday, July 18, 2010 at 1:50pmsum of heats gained is zero.

heat in original water added + heat in boiling water gained is zero.

270c(Tf-30)+5c(100-Tf)=0

solve for Tf

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