At 25 °C, the decomposition of dinitrogen pentoxide,N2O5(g), into NO2(g)and O2(g) follows first-order kineticswith k = 3.4 x 10-5 s-1. A sample of N2O5 with an initial pressure of 760 torr decomposes at 25 °C until its partial pressureis 650 torr. How much time (in seconds) has elapsed?(a) 5.3 x 10-6 (b) 2000 (c) 4600 (d) 34,000 (e) 190,000

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