Magnesium metal is reacted with hydrochloric acid to produce hydrogen gas. A sample of hydrogen gas is collected over water in a eudiometer at 28.0°C. The atmospheric pressure is 761 mmHg. Determine the pressure (in atm) of the hydrogen gas produced.
Magnesium metal is reacted with hydrochloric acid to produce hydrogen gas. A sample of hydrogen gas is collected over water in a eudiometer at 28.0°C. The atmospheric pressure is 761 mmHg. Determine the pressure (in atm) of the hydrogen gas produced.
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Magnesium metal is reacted with hydrochloric acid to produce hydrogen gas. A sample of hydrogen gas is collected over water in a eudiometer at 28.0°C.
The atmospheric pressure is 761 mmHg. Determine the pressure (in atm) of the hydrogen gas produced.
Transcribed Image Text:### Relationship Between Temperature and Water Vapor Pressure
The table below illustrates how water vapor pressure in millimeters of mercury (mmHg) changes with temperature in degrees Celsius (°C). This relationship is crucial for understanding concepts in physical chemistry and meteorology, particularly regarding humidity and atmospheric pressure.
| Temperature (°C) | Water Vapor Pressure (mmHg) |
|------------------|-----------------------------|
| 20 | 17.5 |
| 22 | 19.8 |
| 24 | 22.4 |
| 26 | 25.2 |
| 28 | 28.3 |
| 30 | 31.8 |
**Explanation:**
- **Temperature (°C):** This column shows the temperature in degrees Celsius, incremented by 2°C for each row.
- **Water Vapor Pressure (mmHg):** This column displays the corresponding water vapor pressure for each temperature.
**Key Observations:**
- As the temperature increases, the water vapor pressure also increases.
- This indicates that warmer air can hold more moisture, which is a key factor in understanding weather conditions and climate behavior.
Understanding this table helps in the study of thermodynamics and atmospheric science, emphasizing the fundamental principle that vapor pressure rises with temperature.
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