Asked by Emily G.
1). A hot iron horseshoe (mass=.40kg), just forged, is dropped into 1.35L of water in a .30kg iron pot initially at 20.0 degrees Celsius. If the final equilibrium temperature is 25.0 degrees Celsius, estimate the initial temperature of the hot horseshoe.
2). A cube of ice is taken from the freezer at -8.5 degrees Celsius and placed in a 95kg aluminum calorimeter filled with 310 g of water at room temperature of 20.0 degrees Celsius. The final situation, is observed to be all water at 17.0 degrees Celsius. What was the mass of the ice cube?
2). A cube of ice is taken from the freezer at -8.5 degrees Celsius and placed in a 95kg aluminum calorimeter filled with 310 g of water at room temperature of 20.0 degrees Celsius. The final situation, is observed to be all water at 17.0 degrees Celsius. What was the mass of the ice cube?
Answers
Answered by
bobpursley
The sum of the heats gained is zero.
Heat gained by water+heatgainebysteel+ heat gained by iron pot = 0
1.35kg*cwater*(25-20)+.40(csteel)(25-Ti)+.30*ciron(25-20)=0
solve for Ti if the steel horseshoe.
Heat gained by water+heatgainebysteel+ heat gained by iron pot = 0
1.35kg*cwater*(25-20)+.40(csteel)(25-Ti)+.30*ciron(25-20)=0
solve for Ti if the steel horseshoe.
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