Assume all temperatures to be exact . Equal amounts of heat are added to differe

Question

Assume all temperatures to be exact.
Equal amounts of heat are added to different quantities of copper and lead. The temperature of the copper increases by 7.0?C and the temperature of the lead by 15?C.

Please Help me with this Answer! I have no idea how to get the mass ratio ??

Assume all temperatures to be exact. Equal amounts of heat are added to different quantities of copper and lead. The temperature of the copper increases by 7.0 degree C and the temperature of the lead by 15 degree C. Calculate the mass ratio of the lead to the copper to prove your answer to part A.

Explanation / Answer

As we know Q = msdT

Therefore

m is Inversely proportional to sdT

Thherefore

mlead/mcopper =(scopper*dTcopper)/(slead*dTlead)

= (0.386*7)/ (0.128*15)

= 1.407

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