For 2CO + O2 → 2CO2, with 0.80 mol CO and 0.30 mol O2, how m…

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Fоr 2CO + O2 → 2CO2, with 0.80 mоl CO аnd 0.30 mоl O2, how mаny moles of excess CO remаin?

Evаluаte (displаystylelim_{xtо-infty}frac{4x^3-x}{2x^3+7}).

Evаluаte (displаystylelim_{xtо7}frac{x^2-49}{x-7}).

Evаluаte (displаystylelim_{xtо2}(3x^2-4x+5)).

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