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Unformatted text preview: General Chemistry Lecture 102a In class notes for October 3, 2007 • Chapter 5 OWL due next week • Last lecture o Gases, Boyle’s Law • Today o Charles Law and beyond • Remember Boyle’s said PV = C o For one mol of gas at standard temperature (standard temperature, 0°) o PV = 22.4 L · atm o For 1 atm pressure, the volume occupied by a gas is 22.4 L o This law allows us to show a before condition is equal to an after condition. o P 1 V 1 = C = P 2 V 2 (assumes number of moles and temperature are constant) o P 1 V 1 = P 2 V 2 If a gas at 1.0 atm pressure occupies 10.0 L, what will be the volume if the pressure increases to 4.0 atm. o V 2 = P1V1P2 = 2.5 L • Charles Law o Refers to the relationship between temperature and volume o Charles trapped gas with a droplet of mercury in a tube and put it in different temperatures of water. o There is a linear equation between the two graphs....
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- Fall '06
- Chemistry, General Chemistry Lecture