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Unformatted text preview: = 1 atm = 760 mm Hg T = 0°C = 273.15 K
Slide 17 of 23 CHM 25 SP07 LU Avogadro’ Law s
Gay-Lussac 1808 Small volumes of gases react in the ratio of small whole numbers. Avogadro 1811 Equal volumes of gases have equal numbers of molecules and Gas molecules may break up when they react.
Slide 18 of 23 CHM 25 SP07 LU CHM 25 SP07 LU 3 Avogadro’ Hypothesis s
Equal volumes of gases at the same T and P have the same number of molecules. Formation of Water Vn or V=cn V and n are directly related. twice as many molecules
Slide 19 of 23 CHM 25 SP07 LU Slide 20 of 23 CHM 25 SP07 LU Combining the Gas Laws V proportional to 1/P V prop. to T V prop. to n Therefore, V prop. to nT/P V = 22.4 L for 1.00 mol when Co...
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