melneedshelp melneedshelp

29-10-2016
Chemistry

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what is the specific heat of a substance that has a mass of 35.0 g and requires 625.0 calories to raise its temperature by 25.0C

Respuesta :

ally113 ally113

29-10-2016

We know that
Q=m.s.t, where Q= Heat, s= Specific heat of the substance, t=temperature(Difference in temperatures)
=>s= Q/m.t
=>s=525/(25X15)
=>s=525/375
=>s=1.4 cal/g/0c
Specific heat of the substance is 1.4 cal/g/0c.

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