Ch_13_II_Reaction_Rates-New (3)

Ch_13_II_Reaction_Rates-New (3) - Determining the Rate of...

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Unformatted text preview: Determining the Rate of Reaction (k, x, y, and z) •Method of initial rates •Graphing •Linear regression (calculator) Run N 2 O 5 Rate (M) (M/hr) 1 0.01 0.018 2 0.02 0.036 3 0.04 0.072 ( 29 ( 29 ( 29 2 2 5 2 1 2 2 NO N O g g O g → + [ ] 2 5 Rate of reaction x k N O = Run N 2 O 5 Rate (M) (M/hr) 1 0.01 0.018 2 0.02 0.036 3 0.04 0.072 ( 29 ( 29 ( 29 2 2 5 2 1 2 2 NO N O g g O g → + 1 x ⇒ = [ ] [ ] 2 5 2 5 Rate of reaction x k N O k N O = = ( 29 ( 29 ( 29 2 2 5 2 1 2 2 NO N O g g O g → + Run N 2 O 5 Rate (M) (M/hr) 1 0.01 0.018 2 0.02 0.036 3 0.04 0.072 [ ] 2 5 Rate of reaction k N O = [ ] 1 2 5 Rate 0.018 / 1.8 0.01 M hr k hr N O M- = = = Run SO 2 Cl 2 Rate (M) (M/s) 1 0.74 1.63x10-5 2 1.25 2.75x10-5 3 1.86 4.09x10-5 [ ] 2 2 Rate of reaction x k SO Cl = ( 29 ( 29 ( 29 2 2 2 2 2 SO Cl g SO g Cl g → + Run SO 2 Cl 2 Rate (M) (M/s) 1 0.74 1.63x10-5 2 1.25 2.75x10-5 3 1.86 4.09x10-5 [ ] 2 2 Rate of reaction x k SO Cl = [ ] [ ] 2 2 2 2 1 1 1 Rate x x k SO Cl SO Cl = ( 29 ( 29 ( 29 2 2 2 2 2 SO Cl g SO g Cl g → + [ ] [ ] 2 2 2 2 2 2 2 Rate x SO Cl k SO Cl = = Run SO 2 Cl 2 Rate (M) (M/s) 1 0.74 1.63x10-5 2 1.25 2.75x10-5 3 1.86 4.09x10-5 [ ] 2 2 Rate of reaction k SO Cl = [ ] [ ] 2 2 2 2 1 1 1 Rate x x k SO Cl SO Cl = ( 29 ( 29 ( 29 2 2 2 2 2 SO Cl g SO g Cl g → + [ ] [ ] 2 2 2 2 2 2 2 Rate x SO Cl k SO Cl = = ( 29 5 5 1.63 10 0.74 .59 2. 0.59 1.25 7 1 5 10 x x x x x-- = = = ⇒ = ( 29 ( 29 ( 29 2 2 2 2 2 SO Cl g SO g Cl g → + Run SO 2 Cl 2 Rate (M) (M/s) 1 0.74 1.63x10-5 2 1.25 2.75x10-5 3 1.86 4.09x10-5 [ ] [ ] 2 2 2 2 1 1 1 Rate x x k SO Cl SO Cl = [ ] 2 2 Rate of reaction k SO Cl = [ ] [ ] 2 2 2 2 2 2 2 Rate x SO Cl k SO Cl = = ( 29 5 5 1.63 10 0.74 .59 2. 0.59 1.25 7 1 5 10 x x x x x-- = = = ⇒ = [ ] 5 1 5 1 2 2 1 Rate 1.63 1 2.2 10 0. 4 / 7 x k x s M SO Cl M s--- = = = ( 29 ( 29 ( 29 2 2 2 2 NO g F g NO F g + → Run NO 2 F 2 Rate (M) (M) (M/s) 1 1.00 1.00 1.00x10-4 2 2.00 1.00 2.00x10-4 3 1.00 2.00 2.00x10-4 4 2.00 2.00 4.00x10-4 y [ ] [ ] 2 2 Rate F x y k NO = ( 29 ( 29 ( 29 2 2 2 2 NO g F g NO F g + → Run NO 2 F 2 Rate (M) (M) (M/s) 1 1.00 1.00 1.00x10-4 2 2.00 1.00 2.00x10-4 3 1.00 2.00 2.00x10-4 4 2.00 2.00 4.00x10-4 y [ ] [ ] 2 2 Rate F x y k NO = ( 29 ( 29 ( 29 2 2 2 2 NO g F g NO F g + → Run NO 2 F 2 Rate (M) (M) (M/s) 1 1.00 1.00 1.00x10-4 2 2.00 1.00 2.00x10-4 3 1.00 2.00 2.00x10-4 4 2.00 2.00 4.00x10-4 y 1 x ⇒ = [ ] [ ] 2 2 Rate F x y k NO = ( 29 ( 29 ( 29 2 2 2 2 NO g F g NO F g + → Run NO 2 F 2 Rate (M) (M) (M/s) 1 1.00 1.00 1.00x10-4 2 2.00 1.00 2.00x10-4 3 1.00 2.00 2.00x10-4 4 2.00 2.00 4.00x10-4 y 1 y ⇒ = [ ] [ ] 2 2 Rate F x y k NO = [ ][ ] 2 2 Rate F k NO = [ ] [ ] ( 29( 29 4 4 1 1 2 2 1 1 1 1.00 1 Rate 1 1 1 / 1 x M k x M s NO F s M M---- = = = ( 29 ( 29 ( 29 2 2 2 2 NO g F g NO F g + → Run NO 2 F 2 Rate (M) (M) (M/s) 1 1.00 1.00 1.00x10-4 2 2.002....
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Ch_13_II_Reaction_Rates-New (3) - Determining the Rate of...

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