8. Thermochemistry
Constant-Volume Calorimetry
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ANSWERS OPTIONS
A
2.56 kJ/g˚C, 20.40 ˚C
B
5.36 kJ/g˚C, 5.10 ˚C
C
2.56 kJ/g˚C, 10.20 ˚C
D
3.45 kJ/g˚C, 20.40 ˚C
A 3.50 g sample of Ribose (C5H10O5) is burned in a bomb calorimeter and the temperature increases from 20.30 to 30.50 °C. Calculate the total heat capacity of the calorimeter given that the heat of combustion of Ribose (C5H10O5) is -15.62 kJ/g. Also, calculate the temperature change if half of the initial sample of ribose was used.