1. More Calorimetry: Mixing Liquids
Water H2O
Mass = g
Temp = 85.8C
What is the final temperature of the water mixture?
Water H2O
Mass = 50.0 g
Temp = 22.0C

2. More Calorimetry: Mixing Liquids
Water H2O
Mass = g
Temp = 85.8C
Heat lost by the hot water:
q = m  c  T
q = g   (Tf – 85.8)
Heat gained by the cold water:
q = m  c  T
Water H2O
q = g   (Tf )
Mass = 50.0 g
Temp = 22.0C

3. More Calorimetry: Mixing Liquids
qlost qgained =
120.0g   (Tf – 85.8) +
50.0g   (Tf ) =
 (Tf – 85.8) +
 (Tf ) =
Tf Tf =
Tf =
Tf = C