A chemist carefully measures the amount of heat needed to raise the temperature of a 309.0 g sample of a pure substance from -2.9 °C to 11.1 °C. The experiment shows that 601. J of heat are needed. What can the chemist report for the specific heat capacity of the substance? Be sure your answer has the correct number of significant digits. -K

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**Thermochemistry: Calculating Specific Heat Capacity**

A chemist carefully measures the amount of heat needed to raise the temperature of a 309.0 g sample of a pure substance from -2.9 °C to 11.1 °C. The experiment shows that 601 J of heat are needed. What can the chemist report for the specific heat capacity of the substance? Be sure your answer has the correct number of significant digits.

**Units Box:**

\[ \boxed{ \ \ \ } \]

Unit: \( \text{J} \cdot \text{g}^{-1} \cdot \text{K}^{-1} \)

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Transcribed Image Text:**Thermochemistry: Calculating Specific Heat Capacity** A chemist carefully measures the amount of heat needed to raise the temperature of a 309.0 g sample of a pure substance from -2.9 °C to 11.1 °C. The experiment shows that 601 J of heat are needed. What can the chemist report for the specific heat capacity of the substance? Be sure your answer has the correct number of significant digits. **Units Box:** \[ \boxed{ \ \ \ } \] Unit: \( \text{J} \cdot \text{g}^{-1} \cdot \text{K}^{-1} \) **Buttons:** - \( x_{10} \) (for scientific notation) - Undo button - Help button **Explanation & Check Buttons:** - Explanation: Provides detailed steps to solve the problem. - Check: Validates the entered answer. **Other Icons:** - Integral icon: Possibly for calculations or formulas. - Media icon: Access to related videos. - Graph icon: May show graphs related to data. - Lab icon: Possibly for virtual experiments.
Expert Solution
Step 1

Given:

The mass of the given sample, (m) = 309 g.

The initial temperature, (T1) = -2.9 0C= (-2.9+273.15) K = 270.25 K.

The The final temperature, (T2) = 11.1 0C = (11.1+273.15) K = 284.25 K

The heat needed to raise the temperature, (Q) = 601 J.

 

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