A 0.064 kg of octane vapor (MW=114) is mixed with 0.91 kg of air (MW=29) in the manifold of an engine. The total pressure in the manifold is 86.1 kPa, and a temperature is 290K. Assume octane behaves ideally. What is the partial pressure of the air in the mixture in kPa?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A 0.064 kg of octane vapor (MW=114) is mixed with 0.91 kg of air (MW=29) in the manifold of an engine. The total pressure in the manifold is 86.1 kPa, and a temperature is 290K. Assume octane behaves ideally. What is the partial pressure of the air in the mixture in kPa?

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