The Following Reaction Is First Order,C₂H₆ → 2 CH₃

question 32

Multiple Choice

The following reaction is first order,C₂H₆ → 2 CH₃.If the rate constant is equal to 5.5 × 10^-4 s^-1 at 1000 K,how long will it take for 0.35 mol of C₂H₆ in a 1.00 L container to decrease to 0.20 mol in the same container?

• A)4.5 min
• B)17 min
• C)53 min
• D)65 min

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