Solution:

Assume that a single cylinder of an automobile engine has a volume of 524 cm2. Part A If the cylinder is full of air at 72 °C and 0.990 atm, how many moles of O2 are present? (The mole fraction of O2 in dry is 0.2095) Part B How many grams of C8 H18 could be combusted by this quantity of O2, assuming combustion with formation of CO2 and H2O?

Problem

Assume that a single cylinder of an automobile engine has a volume of 524 cm².

Part A
If the cylinder is full of air at 72 °C and 0.990 atm, how many moles of O2 are present? (The mole fraction of O2 in dry is 0.2095)

Part B
How many grams of C8 H18 could be combusted by this quantity of O2, assuming combustion with formation of CO2 and H2O?

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