Problem 13.002 pentane (c5h12) burns completely with a theoretical amount of air, which can be modeled as 21% o2 and 79% n2 on a molar basis. determine the air-fuel ratio on a molar basis, in kmol(air)/kmol(fuel).

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Answer is: the equilibrium  shifts toward the reactants, to the left side of chemical reaction.it is because lead(ii) nitrate dissociates in water: pb(no₃)₂ → pb²⁺(aq) + 2no₃⁻(aq).according to lechatelier's principle, the position of equilibrium moves to counteract thechange (more lead cations, common ion), the position of equilibrium will move so that the concentration ofproducts decrease and concentration of reactants of chemical reaction increase.read more on -

The answer is ax3. hope this

Answerchemical;