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Physical Characteristics of Gases

Physical Characteristics of Gases. Boyle ’ s Law. Pressure and volume are inversely related at constant temperature . PV = K As one goes up, the other goes down. P 1 V 1 = P 2 V 2. “ Father of Modern Chemistry ” Robert Boyle Chemist & Natural Philosopher Listmore, Ireland

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Physical Characteristics of Gases

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  1. Physical Characteristics of Gases

  2. Boyle’s Law • Pressure and volume are inversely related at constant temperature. • PV = K • As one goes up, the other goes down. • P1V1 = P2V2 “Father of Modern Chemistry” Robert Boyle Chemist & Natural Philosopher Listmore, Ireland January 25, 1627 – December 30, 1690

  3. Boyle’s Law: P1V1 = P2V2

  4. Boyle’s Law: P1V1 = P2V2

  5. Charles’ Law • Volume of a gas variesdirectly with the absolute temperature at constant pressure. • V = KT • V1 / T1 = V2 / T2 Jacques-Alexandre Charles Mathematician, Physicist, Inventor Beaugency, France November 12, 1746 – April 7, 1823

  6. Charles’ Law: V1/T1 = V2/T2

  7. Charles’ Law: V1/T1 = V2/T2

  8. Avogadro’s Law • At constant temperature and pressure, the volume of a gas is directly related to the number of moles. • V = K n • V1 / n1 = V2 / n2 Amedeo Avogadro Physicist Turin, Italy August 9, 1776 – July 9, 1856

  9. Avogadro’s Law: V1/n1=V2/n2

  10. Gay-Lussac Law • At constant volume, pressure and absolute temperature are directly related. • P = k T • P1 / T1 = P2 / T2 Joseph-Louis Gay-Lussac Experimentalist Limoges, France December 6, 1778 – May 9, 1850

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