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Grade 12Thermal Physics

the specific heat of a substance varies with temperature according to c=0.20+0.14T+0.023T²,with T in °C and c in cal÷kg K find the energy required to raise the temperature of 2.0g of this substance from 5.0°C to 15°C.

Profile image of lokesh palingi
12 Years agoGrade 12
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1 Answer

Profile image of Shaik Irfan Kareem Ali
12 Years ago
q=mc(t2-t1) c=integrate c(T) from 5 to 15 c=40.92cal/kg q=0.002(40.92)(10) q=0.82 cal

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