What is the partial pressure of the product related to the total pressure for a constant volume system? (Where pR is the partial pressure of the product, pR0 is the initial partial pressure of the product, P is the total pressure, P0 is the initial pressure of reaction mixture, r is the stoichiometry of the product and ∆n is the difference between the number of moles of the product and the number of moles of the reactant)(a) pR = \(\frac{r}{∆n}\) (P – P0)(b) pR = pR0 – \(\frac{r}{∆n}\) (P – P0)(c) pR = pR0 + (P – P0)(d) pR = pR0 + \(\frac{r}{∆n}\) (P – P0)This question was addressed to me during an online interview.I'd like to ask this question from Stoichiometry in chapter Rate Laws and Stoichiometry of Chemical Reaction Engineering

What is the partial pressure of the product related to the total press

1.	What is the partial pressure of the product related to the total pressure for a constant volume system? (Where pR is the partial pressure of the product, pR0 is the initial partial pressure of the product, P is the total pressure, P0 is the initial pressure of reaction mixture, r is the stoichiometry of the product and ∆n is the difference between the number of moles of the product and the number of moles of the reactant)(a) pR = \(\frac{r}{∆n}\) (P – P0)(b) pR = pR0 – \(\frac{r}{∆n}\) (P – P0)(c) pR = pR0 + (P – P0)(d) pR = pR0 + \(\frac{r}{∆n}\) (P – P0)This question was addressed to me during an online interview.I'd like to ask this question from Stoichiometry in chapter Rate Laws and Stoichiometry of Chemical Reaction Engineering
Answer» Correct answer is (d) pR = pR0 + \(\FRAC{r}{∆n}\) (P – P0) The best explanation: For the reaction, AA + BB → RR + sS, pR = CRRT. CR is the product concentration. CRRT = pR0 + \(\frac{r}{∆n}\) (P – P0).

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