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Standard XII

Chemistry

Real Gases

The volume of...

Question

The volume of dry $N_{2} O$ produced at this point measured at STP is_______. (in L)

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Solution

$N H^{2} N O_{2} (a q) \to N_{2} O (g) + H_{2}) (l)$
$k = \frac{0.693}{2.1} = 0.33 h r^{- 1}$
$t = \frac{2.303}{k} l o g \frac{1}{0.01}$
$= 13.96 h r$
1 mol of $N H_{2} N O_{2} = 1 m o l o f N_{2} O$
Moles of $N H_{2} N O_{2} = \frac{6.2}{6.2} = 0.1 m o l .$
Moles of $N H_{2} N O_{2}$ decomposed = 0.099
Volume of $N_{2} O$ produced = 22.4 L $\times$ 0.099 $\equiv$ $2.217$ L

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The volume of dry N2O produced at this point measured at STP is_______. (in L)

NH2NO2(aq)→N2O(g)+H2)(l)k=0.6932.1=0.33hr−1t=2.303klog10.01=13.96hr1 mol of NH2NO2=1molofN2OMoles of NH2NO2=6.26.2=0.1mol.Moles of NH2NO2 decomposed = 0.099Volume of N2O produced = 22.4 L × 0.099 ≡ 2.217 L

The volume of dry $N_{2} O$ produced at this point measured at STP is_______. (in L)