Problem

Problem

The first order decomposition of di-*tert*-butylperoxide (DTBP) to acetone and ethane is given by the equation: C8H18O2(g)⟶2CH3COCH3(g)+C2H6(g)C_8H_{18}O_2(g) \longrightarrow 2CH_3COCH_3(g) + C_2H_6(g) The half-life of reaction is 80 min. at 147∘C147^\circ C. Starting with pure DTBP (pressure = 800 torr) in a flask of constant volume, maintained at 147∘C147^\circ C, the time (in min) at which the partial pressure of acetone becomes 1400 torr, is :

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