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Combustion

What is the v...

Question

What is the value of $Δ n_{g}$ if we consider the combustion of 1 mol of liquid ethanol if reactants and produces are at 298 K:-

-1

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-2

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Solution

The correct option is A -1
(Ethanol) $C_{2} H_{5} O H (l) + 3 O_{2} \to 2 C O_{2} (g) + 3 H_{2} O (l)$
$Δ n_{g}$ =(Sum of gases at product side) -(Sum of moles gases at reactant side)
$Δ n_{g}$ $= 2 - 3 = - 1$

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