Model 3 – Heating Mercury and Water Trial Substance Mass (grams) AT ("C) Added Energy (Joules) Hg 100.0 71.0 1,000.0 2 Hg 100.0 142 2,000.0 3 H,O но 100.0 2.39 1,000.0 100.0 4.78 2,000.0 1. Choose any two trials that use the same amount of energy but involve different substances and comment on whether the temperature change is the same in both trials?
Model 3 – Heating Mercury and Water Trial Substance Mass (grams) AT ("C) Added Energy (Joules) Hg 100.0 71.0 1,000.0 2 Hg 100.0 142 2,000.0 3 H,O но 100.0 2.39 1,000.0 100.0 4.78 2,000.0 1. Choose any two trials that use the same amount of energy but involve different substances and comment on whether the temperature change is the same in both trials?
Chemistry
10th Edition
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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Transcribed Image Text:**Model 3 – Heating Mercury and Water**
| Trial | Substance | Mass (grams) | ΔT (°C) | Added Energy (Joules) |
|-------|-----------|--------------|--------|-----------------------|
| 1 | Hg | 100.0 | 71.0 | 1,000.0 |
| 2 | Hg | 100.0 | 142.0 | 2,000.0 |
| 3 | H₂O | 100.0 | 2.39 | 1,000.0 |
| 4 | H₂O | 100.0 | 4.78 | 2,000.0 |
1. **Choose any two trials that use the same amount of energy but involve different substances and comment on whether the temperature change is the same in both trials.**
2. **The specific heat of water was determined to be 4.18 J/g·°C using the data from the table. Use the data from table 3 to determine the specific heat of mercury.**
3. **Complete the following sentence:**
When the same amount of energy is added to two samples of different substances that have the same mass, the substance with the larger specific heat will have the (larger/smaller) temperature change.
4. **If 20,000 J of energy are used to heat water by 4.00°C, what is the mass of water?**
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