Question #d09ec

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Question #d09ec

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Answer 1 · 2018-02-04T20:37:02

The Total Volume will decrease to:

$100 - 0.20(100) = 80 cc$ $"100 - 0.20(100) = 80 cc"$

Explanation:

DATA

$V_{T} = 100 c c$ $V_T = 100 c c$

Assume that all $O_{2}$ $O_2$ reacted with the pyrogallol, I.e.:

$V_{O_2} = 0 c c$ $V_"O_2" = 0 c c$

Assume: $Ideal Gas$ $color(blue)"Ideal Gas"$
The volume of an ideal gas mixture (V) is equal to the sum of the component volumes (Vj’s) of each individual component in the gas mixture at the same temperature (T) and total pressure (P) of the mixture:

$V_{Total} = V_{O_2} + V_{N_2} + V_{others}$ $V_"Total" = V_"O_2" + V_"N_2" + V_"others"$

$initially, at t = 0$ $"initially, at t = 0 "$

$100 = 0.20 (100) + 0.79 (100) + 0.01 (100)$ $"100" = 0.20(100) + 0.79(100) + 0.01(100)"$

$At t = 20min$ $"At t = 20min "$

The Total Volume will decrease to:

$100 - 0.20(100) = 80 cc$ $"100 - 0.20(100) = 80 cc"$

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Question #d09ec

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