Name_______________ Demonstration: Measuring Heat Learning Objectives: understand the concept of specific heat capacity understand that each substance has its own unique specific heat capacity understand that three factors contribute to the amount of heat that is transferred when two substances are mixed: temperature, mass, and specific heat capacity Data Table Fill out the data table as you observe the demonstration. Cup A
Cup B
Cup C
Cup D (Optional)
100 g H2O at
100 g H2O at
100 g H2O at
100 g H2O at
_________oC
_________oC
_________oC
_________oC
Add 10 g Hot H2O at
Add 20 g Hot H2O at
Add 20 g Hot Cu at
Add 20 g Hot Al at
_________oC
_________oC
_________oC
_________oC
Guess: Temperature of resulting mixture
Guess: Temperature of resulting mixture
Guess: Temperature of resulting mixture
Guess: Temperature of resulting mixture
_________oC
_________oC
_________oC
_________oC
Actual Temperature of resulting mixture
Actual Temperature of resulting mixture
Actual Temperature of resulting mixture
Actual Temperature of resulting mixture
_________oC
_________oC
_________oC
_________oC
Discussion Questions Write your answers to the discussion questions. Include notes from the discussion.
Cup A: Do you think that the temperature is a measure of heat?
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Cup B: Is there a difference in the temperature change for the water when compared to Cup A? What factors were different that might have led to this difference?
Cup C: Is there a difference in the temperature change for the water when compared to Cup B? What factors were different that might have led to this difference?
Cup D: Is there a difference in the temperature change for the water when compared to Cup C? What factors were different that might have led to this difference?
What factors contribute to the amount of heat that is transferred between two substances?
Define specific heat capacity.
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