Convert one gallone water to\] liters. Then liters x 1000 = mL and that, with the density of water = 1g/mL, will be grams water.
[mass water x specific heat water x (Tfinal-Tinitial)] + [mass Fe x specific heat Fe x (Tfinal-Tinitial)] = 0
Solve for Tfinal which is the only unknown in the equation.
A 375 g piece of iron was heated to 975 °C and then quenched in a bucket containing one gallon of water at 20 °C. What was the temperature of the water after the iron and the water came to thermal equilibrium?
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