Pentane (C5H12), when it burns, generates heat according to the following: â€‹C5H12 + 8 O2 â†’ 5...

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Chemistry

Pentane (C5H12), when it burns, generates heat according tothe following:
â€‹C5H12 + 8 O2 â†’ 5 CO2 + 6 H2O + 3509 kJ of heat energy
a) The molar mass of pentane is 72.2 g / mole. The density ofpentane is 0.626 g / mL.
Determine the number of moles of pentane in 1,250-mL ofpentane (4 points)
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b) How much heat energy in kJ is generated by the combustionof the stated 1,250-mL of pentane? â€‹[4 points]
c) How many grams and moles of oxygen will be needed tototally consume the stated 1,250-mL of pentane? [4 points]
d) The oxygen source for this combustion is a tank with apressure of 12.50 atm and a temperature of 300.0 K. All of theoxygen in the tank was used up. What is the volume in the tank? [6points]
Note: The ideal gas constant has the usual value previouslydiscussed in class.

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4.4 Ratings (729 Votes)

C5H12 8 O2 5 CO2 6 H2O 3509 kJ of heat energy a The molar mass of pentane is 722 g mole The density of pentane is d 0626 g mL Volume of pentane V 1250mL See Answer

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