Gases
General Chemistry • 18 topics in this chapter.
This Gases chapter in General Chemistry covers the core gas laws and models used in classrooms and labs, with interactive calculators for Boyle’s law, Charles’s law, Avogadro’s law, the combined gas law, and the ideal gas law. It also supports essential gas concepts such as STP, unit conversions (atm, kPa, mmHg, L, mL), temperature in Kelvin, and real-world reasoning about pressure, volume, moles, and temperature relationships.
On this page you can solve for any gas variable, compute molar mass from gas data, determine gas density, and work with mixtures using Dalton’s law of partial pressures. Step-by-step outputs help you set up equations correctly, track units with dimensional analysis, and understand when assumptions like ideal behavior are reasonable, which is especially useful for lab reports and exam practice.
The difficulty level ranges from beginner-friendly gas law practice to more advanced multi-step problems involving partial pressures and derived quantities, making it a strong fit for high school chemistry, AP/IB Chemistry, and introductory university courses. Teachers can use the tools for demonstrations and quick checks, self-learners can build mastery through repetition, and advanced users can validate calculations fast when working on stoichiometry with gases, collection over water, or experimental data analysis.
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1. Pressure
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2. Barometric Pressure
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3. Manometers
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4. Boyle's Law
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5. Charles's Law
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6. Avogadro's Law
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7. Molar Volume STP and RTP
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8. The Ideal Gas Equation
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9. The General Gas Equation
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10. Molar Mass Determination
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11. Gas Density Determination
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12. Law of Combining Volumes
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13. Mixtures of Gases
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14. Collecting Gases Over Water
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15. Kinetic Theory of Gases Root Mean Square Speed
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16. The Meaning of Temperature
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17. Grahams Law of Effusion
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18. Real Gases and Van Der Waals Equation
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