taroeseler taroeseler
  • 22-10-2014
  • Physics
contestada

The amount of heat needed
to raise 2.0 kg of a substance by 80 K is 33 kJ. What is the specific heat of
the substance?

Respuesta :

Batcountry
Batcountry Batcountry
  • 23-10-2014
j=joules, c=specific heat, q= energy, and the Tf and Ti are the final and initial temperatures cause I couldn't find a delta sign.

[tex]Q=mc(T_{f}-T_{I}) \\ 33000j=2kg*c*80 \\\frac{33000j}{2kg*80} =c \\ c=206.25jkg^{-1}[/tex]
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