5. 5. If 20,000 J of energy are used to heat mercury by 4.00 °C, what is the mass of mercury? 6. Determine the specific heat of aluminum if adding 4.750 kJ of heat energy to 249.0 g of aluminum produces a temperature change of 21.1 °C
5. 5. If 20,000 J of energy are used to heat mercury by 4.00 °C, what is the mass of mercury? 6. Determine the specific heat of aluminum if adding 4.750 kJ of heat energy to 249.0 g of aluminum produces a temperature change of 21.1 °C
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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Please help me complete question 5 and 6
![**Table: Results of Heat Capacity Trials**
| Trial | Substance | Mass (grams) | ΔT (°C) | Added Energy (Joules) |
|-------|-----------|--------------|---------|-----------------------|
| 1 | Hg | 100.0 | 71.0 | 1,000.0 |
| 2 | Hg | 100.0 | 142 | 2,000.0 |
| 3 | H₂O | 100.0 | 2.39 | 1,000.0 |
| 4 | H₂O | 100.0 | 4.78 | 2,000.0 |
**Explanation:**
This table represents the results of experiments conducted to measure the temperature change (ΔT) of two substances, Mercury (Hg) and Water (H₂O), when a specific amount of energy is added. Each trial uses a 100-gram sample of the substance.
- **Trial 1 and 2**: Mercury is subjected to 1,000 and 2,000 Joules of energy respectively. The resulting temperature changes are 71.0°C and 142°C.
- **Trial 3 and 4**: Water is subjected to 1,000 and 2,000 Joules of energy respectively. The resulting temperature changes are 2.39°C and 4.78°C.
This illustrates the different specific heat capacities of the two substances, where a smaller temperature change in water indicates a higher specific heat capacity compared to mercury.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6d43ccb7-7359-44f4-9027-62e63eace4bf%2F26b1ef33-abb7-4d78-a768-a2440532bf92%2Fbodgim7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Table: Results of Heat Capacity Trials**
| Trial | Substance | Mass (grams) | ΔT (°C) | Added Energy (Joules) |
|-------|-----------|--------------|---------|-----------------------|
| 1 | Hg | 100.0 | 71.0 | 1,000.0 |
| 2 | Hg | 100.0 | 142 | 2,000.0 |
| 3 | H₂O | 100.0 | 2.39 | 1,000.0 |
| 4 | H₂O | 100.0 | 4.78 | 2,000.0 |
**Explanation:**
This table represents the results of experiments conducted to measure the temperature change (ΔT) of two substances, Mercury (Hg) and Water (H₂O), when a specific amount of energy is added. Each trial uses a 100-gram sample of the substance.
- **Trial 1 and 2**: Mercury is subjected to 1,000 and 2,000 Joules of energy respectively. The resulting temperature changes are 71.0°C and 142°C.
- **Trial 3 and 4**: Water is subjected to 1,000 and 2,000 Joules of energy respectively. The resulting temperature changes are 2.39°C and 4.78°C.
This illustrates the different specific heat capacities of the two substances, where a smaller temperature change in water indicates a higher specific heat capacity compared to mercury.
![**5. Problem Statement:**
"If 20,000 J of energy are used to heat mercury by 4.00 °C, what is the mass of mercury?"
---
**6. Problem Statement:**
"Determine the specific heat of aluminum if adding 4,750 kJ of heat energy to 249.0 g of aluminum produces a temperature change of 21.1 °C."](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6d43ccb7-7359-44f4-9027-62e63eace4bf%2F26b1ef33-abb7-4d78-a768-a2440532bf92%2F1me59jw_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**5. Problem Statement:**
"If 20,000 J of energy are used to heat mercury by 4.00 °C, what is the mass of mercury?"
---
**6. Problem Statement:**
"Determine the specific heat of aluminum if adding 4,750 kJ of heat energy to 249.0 g of aluminum produces a temperature change of 21.1 °C."
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