Posted by Aaron on Thursday, December 8, 2011 at 10:28pm.
Two bars of identical mass are at 34 °C. One is made from glass and the other from another substance. The specific heat capacity of glass is 840 J/(kg · C°). When identical amounts of heat are supplied to each, the glass bar reaches a temperature of 97 °C, while the other bar reaches 292.0 °C. What is the specific heat capacity of the other substance?
Not sure where to go with this one.
C*M*delta(t)=C*M*delta(t)??? M's cancel out.

Physics  drwls, Friday, December 9, 2011 at 7:18am
Your formula is correct. The C ratio is the inverse of the delta T ratio, when the M's are the same.
delta T for bar 1 = 83 C
delta T for bar 2 = 258 C
Bar 2 must have 83/258 of the specific heat capacity of bar 1, which would be 270 J/kg*C
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