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Published byDorcas Pierce Modified over 6 years ago
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Gay-Lussac’s Law: Pressure-Temperature relationship
Formula: P1 = P Kelvin (K) = oC T T2 P1 and T1 are the beginning pressure and Kelvin temperature P2 and T2 are the ending pressure and Kelvin temperature
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Gay-Lussac’s Law: Pressure-Temperature relationship
P1 = P2 T T2 The gas in a container is at a pressure of 3.00 atm at 25oC. What would the gas pressure in the container be at 52oC? So in order to answer this question you have to first: convert the 25oC and 52oC to Kelvin temp. 25oC = 298 K and 52oC = 325 K Then you must set up the equation correctly.
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Gay-Lussac’s Law: Pressure-Temperature relationship
P1 = P2 T T2 P1 = 3 atm P2 = ? T1 = 298K T2 = 325 K 3atm = P2 298K K P2 must be on one side of the equation by itself. To do this you have to cross multiply. 3atm = P atm x 325 K = P2 298K K K P2 = atm
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Gay-Lussac’s Law: Pressure-Temperature relationship
1. at 120oC, the pressure of a sample of nitrogen is 1.07 atm. What will the pressure be at 205oC? 1.30 atm 2. at 122oC the pressure of a sample of nitrogen gas is atm. What will the pressure be at 205oC? 1.295 atm 3. a sample of helium gas has a pressure of 1.2 atm at 22oC. At what degree Celsius temperature will the helium reach a pressure of 2.0 atm?
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