October 2018 2 25 Report

Do 2 kilogramów nafty o temperaturze 15C wrzucono 1 kg mosiądzu o temperaturze 100C. Temperatura nafty wzrosła do 22C. Oblicz ciepło właśiwe nafty. Ciepło właściwe mosiądzu wynosi 377[J/kgC].

m1-2kg

T1- 15C

c1nafty?

m2- 1kg

T2-100C

c2- 377 [J/kgC]

T3-22C

C1= m2*c2(t2-t3)/(t3-t1)*m1


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