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Section 14.3

Section 14.3. The Ideal Gas Law. Objectives. Relate the amount of gas present to its pressure, temperature, and volume by using ideal gas law Compare the properties of real an ideal gases. Key Terms. Ideal gas constant, R Ideal gas law. Ideal Gas Law:. PV = nRT n= number of moles

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Section 14.3

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  1. Section 14.3 The Ideal Gas Law

  2. Objectives • Relate the amount of gas present to its pressure, temperature, and volume by using ideal gas law • Compare the properties of real an ideal gases

  3. Key Terms • Ideal gas constant, R • Ideal gas law

  4. Ideal Gas Law: • PV = nRT • n= number of moles • R is a constant

  5. Table 14-1

  6. Real vs Ideal Gases • Ideal  particles do not take up space; no intermolecular forces • Follows all gas laws always • Real  Particles have some volume; some forces • Approximately follows laws

  7. Finding molar mass • n = m/M • m is mass • M is molar mass • PV = mRT OR M = mRT M PV

  8. Practice Problems • Page 437 • 41-42 • Page 438 • 46-47

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