For a reaction : A(g) rarr nB(g), the ra...

For a reaction : A(g) `rarr` nB(g), the rate constant is `6.93xx10^(-4)s^(-1)`. The reaction is performed at constant volume and temperature, starting with only pure 'A'. If after 1000 seconds, the pressure of system becomes 3 times of its initial pressure, then the value of 'n' is :

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