A ( g ) ⇌ 2B ( g ) + C ( g ) For the given reaction, if the initial...

A\left(g\right)\overset{}{⇌}2B\left(g\right) + C\left(g\right)intial45000attime = t450 - p2pp$</p><p>$( 450 – p ) + ( 2p ) + ( p ) = 720$</p><p>$450 + 2p = 720$</p><p>$2p = 270$</p><p>$p = 135$</p><p>Fraction of$A ( g )$decomposed$= \dfrac{AmountofAdecomposed}{Initialamount} = \dfrac{135}{450} = 0 . 3$</p><p>The fraction$$A\left(g\right)$ decomposed = $3 \times {10}^{- 1}$

$⇒ x = 3$