Problem D4:
You have 800 grams of a fluid that is initially at a temperature of 0 Deg C.
The specific heat capacity of the fluid is C_{0}. You have 400 grams of
a solid that is initially at a temperature of n_{1} Deg C. The specific heat
capacity of this solid is C_{0}/2. You have 300 grams of a second solid
that is initially at a temperature of n_{2} Deg C. The specific heat
capacity of this solid is C_{0}/3. You now place both solids
into the liquid and the system comes to thermal equilibrium at a temperature of
n_{3}. What is n_{3}?
Note that n_{1}, n_{2}, and n_{3} are all in the same
temperature units of Deg C.

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