Specific Heat Question?
Could someone work this out so I understand it. Thanks
The answer is 377 K, but i’d like to know how to do it.
Determine the final temperature of a gold nugget (mass = 376 g) that starts at 398 K and looses 4.85 kj of heat to a snowbank when it is lost. The specific heat capacity of gold is 0.128 J/g.
the formula is
Q = m*c* delta T
4.85E3 J = 376 g * 0.128 J/(g*K) * (398 – Tf)
solve for Tf
I get 297 K
this is a very reasonable result because the temp of snow would be 273 K or less
in fact I would expect the final temp to be lower than 297
the energy change would have to be 1.06 kJ to make 377 K work out
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