Respuesta :

LILZAI
Quantity of heat, Q = mc(t2 – t1), hence: 
273 × 103 J = 10 kg × c × (85 – 15)°C 
where c is the specific heat capacity, 
i.e. 273000 = 10 × c × 70 
from which, specific heat capacity, c = 
273000/10 × 70 
= 390 J/(kg °C

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