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Calculate air to fuel ratio by mass, for a four-cylinder SI engine running on i) gasoline...

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Chemistry

Calculate air to fuel ratio by mass, for a four-cylinder SIengine running on i) gasoline and ii) a mixture of 20% methanol and80% gasoline both at stoichiometric conditions. Assume gasoline isrepresented with C8H18 . Calculate any loss of power whengasoline-methanol mixture is used and discuss your results.

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4.1 Ratings (756 Votes)
a gasoline is typically octane C8H18 C8H18 O2 CO2 H2O balance C8H18 252O2 8CO2 9H2O so for 1 mol of octane we need 252 mol fo O2 mol of air 252 021 59523 mol of air ratio in mass    See Answer
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