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Question #16f9b

1 Answer

Aug 16, 2017

Use heat balance & mass balance

Explanation:

The final volume of the mixture is $4 l$ $4l$ assuming the density is constant. Then the heat balance is

$V ρ C_{p} T_{f} = V_{1} ρ C_{p} T_{1} + V_{2} ρ C_{p} T_{2}$ $V\cancel{\rhoC_p}T_f = V_1\cancel{\rhoC_p}T_1+V_2\cancel{\rhoC_p}T_2$

$4T_f = 100+40*3$

$T_f = 220/4$

$T_f = 44^oC$

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