physical science
posted by Anonymous .
calculate the change in thermal energy when 120kg of sand warms from 10 degrees celcius to 90 degrees celcius

physical science 
drwls
Look up the specific heat of sand. Call it C.
http://apollo.lsc.vsc.edu/classes/met130/notes/chapter2/spec_heats.html
has some values
The thermal energy increase is
deltaU = Q = M*C*(deltaT)
where deltaT = 80 C
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