A researcher sets out to calibrate a solution calorimeter. The researcher first adds a 75.00 mL sample of water to the calorimeter, measuring a temperature of 22.4°C after the water and calorimeter reach thermal equilibrium. The re- earcher then heats a separate 75.00 mL sample of water to 40.1°C and adds his sample to the previous one in the calorimeter. After the water has mixed nd a new thermal equilibrium with the calorimeter is reached, a temperature f 27.0°C is measured. What is the heat capacity of the calorimeter?

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9. A researcher sets out to calibrate a solution calorimeter. The researcher first
adds a 75.000 mL sample of water to the calorimeter, measuring a temperature
of 22.4°C after the water and calorimeter reach thermal equilibrium. The re-
searcher then heats a separate 75.00 mL sample of water to 40.1°C and adds
this sample to the previous one in the calorimeter. After the water has mixed
and a new thermal equilibrium with the calorimeter is reached, a temperature
of 27.0°C is measured. What is the heat capacity of the calorimeter?
Transcribed Image Text:9. A researcher sets out to calibrate a solution calorimeter. The researcher first adds a 75.000 mL sample of water to the calorimeter, measuring a temperature of 22.4°C after the water and calorimeter reach thermal equilibrium. The re- searcher then heats a separate 75.00 mL sample of water to 40.1°C and adds this sample to the previous one in the calorimeter. After the water has mixed and a new thermal equilibrium with the calorimeter is reached, a temperature of 27.0°C is measured. What is the heat capacity of the calorimeter?
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