Calorimetry

Practice Questions

College Chemistry › Calorimetry

Questions

3

1

Which of the following is true of a closed system?

2

When of liquid octane $\text{C}_8\text{H}_{18}$ undergoes combustion in a bomb calorimeter, the temperature increases from degrees Celsius to degrees Celsius. The heat capacity for the bomb calorimeter is $5.76\frac{\text{kJ}}{^\circ \text{C}}$ . Find the $\Delta E_{rxn}$ for the combustion of octane in $\frac{\text{kJ}}{\textup{mol octane}}$ .

3

How much heat energy is needed to raise the temperature of of copper from $20^{o}C$ to $400^{o}C$ ? The specific heat capacity of copper is $0.387:\frac{J}{g\cdot K}$ .

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