Respuesta :
The final temperature of the system 21.73°C
What is specific heat capacity of a material ?
The specific heat capacity is defined as the quantity of heat (J) absorbed per unit mass (kg) of the material when its temperature increases 1 K (or 1 °C)
from equilibrium ,
m1*c1*Δt1 = m2*c2*Δt2
m1 (mass of iron) = 0.20 kg
m2( mass of water) = 1kg
c1 (specific heat capacity of iron)= 462 J/kg.K
c2 (specific heat capacity of water ) = 4182 J/kg.K
t1 = 100°C
t2 = 20° C
T = ?
since , m1*c1*Δt1 = m2*c2*Δt2
0.20 * 462 * ( 100 - T) = 1 * 4182 * (T - 20 )
T = 21.73°C
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