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A chemical reaction below took place in a batch reactor. The conversion of A was x A . Temperature, pressure, and volume at initial stage

A chemical reaction below took place in a batch reactor. The conversion of A was xA. Temperature, pressure, and
volume at initial stage were T0,p0, and V0, respectively. Initially, there were A,B, inert I, and no products. The initial
compositions of A,B, and I (inert) were same. Before reaction, the mixture was found to be an ideal gas mixture. During
the reaction, you could denote temperature, pressure and volume as T,P, and V, respectively. During the reaction, the
gaseous mixture did not seem to be an ideal gas mixture due to relatively high pressure.
Reaction: A(g)+B(g)R(g)+S(g)
(a)[20] Derive the relationship between the volume V at the end of reaction and the initial volume V0.
(b)[5] Express CA in gaseous phase. Do it by using stoichiometric coefficients and conversion of A.
(c)[20] Experimentalists carried out additional reaction at a lower reaction temperature than the original reaction
temperature. In this experiment the product S totally condensed due to its boiling point. Experimentalists noticed that
the liquid fraction of the product was so small that they could disregard the liquid fraction in the volume of reaction
mixture. Derive the relationship between the gaseous volume V and the end of reaction and the initial volume V0.
(d)[5] In the (c) experiment, derive the CA expression in terms of stoichiometric coefficients and conversion of A.
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