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Calculeaza caldura specifica a alamei stiind ca o piesa de alama cu masa 200g,incalzita de la 12 grade C la 16,4grade C,absoarbe o caldura de 338,45 J.

Răspuns :

Q=m cΔT⇒c=Q/mΔTm=200g=0.2 kgT1=273+12=285 KT2=273+16.4=289.4 Kc=338.45/0.2x4.4=384.60J/kgK