The temperature of 100.0g of water initially at 25.0 degrees C in a calorimeter increases to 30.0 degrees C after adding a 20.0g piece of hot aluminum. What was the temperature of the aluminum before adding it to water? The specific heat of water and aluminum is 4.182J/g and .900J/g, respectively.

2 answers

209
m*C*DeltaT of Water = m*C*DeltaT of Al

Al was 86 degrees C