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test2 - 1 The correct units for the rate of a chemical...

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1. The correct units for the rate of a chemical reaction are: a. L mol -1 s -1 b. L 2 mol -2 s -1 c. s -1 d. mol L -1 s -1 e. mol s -1 2. The correct units for a second order rate constant are: 3. Which of the following correctly describes the following rate law? Rate = k [NO] 2 [O 2 ] 4. The balanced equation for the combustion of butane from a cigarette lighter is: 2C 4 H 10 + 13 O 2 8 CO 2 + 10 H 2 O in an experiment the rate of disappearance of C 4 H 10 is 6.2 x 10 -3 mol L -1 s -1 . What is the rate at which the oxygen is being consumed? 5. Which of the following is NOT true about a catalyst? a. a catalyst will alter the equilibrium constant so that more product will be made b. a catalyst increases the rate of the forward chemical reaction c. a catalyst works by providing an alternate pathway for the reaction d. a catalyst increases the reverse rate of reaction e. a catalyst shortens the time it takes for a reaction to reach equilibrium.
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