Homework Help: Physics/Chemistry

Posted by Casey on Sunday, January 11, 2009 at 1:23pm.

1 L of 20 degrees C water is mixed with 4 L of 40 degrees celcius water. What will be the temp of this mixture?

the only thing i know is like
V/T = V/T but im not sure how it relates to this problem, if at all.

Physics/Chemistry - bobpursley, Sunday, January 11, 2009 at 3:28pm
1L*20C+4L*40C=5L*??

solve for ??

20+160=5??
??? = 180/5 or 36C

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