1.The Styrofoam cups function as calorimeter, and…

1.The Styrofoam cups function as calorimeter, and…

1.The Styrofoam cups function as calorimeter, and before the heat capacity of nickel is measured, the heat capacity of the calorimeter needs to be determined. Hot water and cold water are mixed in the Styrofoam cups, and the change in temperature is measured. From the following data, calculate the heat capacity Ccal of the calorimeter:
Mass of empty Styrofoam cups: 6.2 g
Mass of cups + 70 mL H2O: 74.6 g
Mass of cups + 70 mL H2O + 30 mL hot H2O: 99.1 g
Initial temperature of water in cups: 24.0 °C
Temperature of boiling water bath:99.5 °C
Final temperature of water: 40.1 °C 

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