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
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
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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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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