QuestionModule Knowitedge Grest Ouestion 12
A chemist carefully measures the amount of heat needed to raise the temperature of a 691.0 g sample of a pure substance from $36.9^{\circ} \mathrm{C}$ to $51.6^{\circ} \mathrm{C}$. The experiment shows that 47.7 kJ of heat are needed. What can the chemist report for the specific heat capacity of the substance? Be sure your answer has correct number of significant digits. [! $\mathrm{J} \cdot \mathrm{g}^{-1} \cdot \mathrm{~K}^{-1}$ $\square \square$