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?
◦ 4.5 min
◦ 17 min
◦ 53 min
◦ 65 min