Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Properties of Pure Substances
A substance with fixed chemical composition throughout is called a pure substance like water, air, and nitrogen. A pure substance does not have to be a single element or compound. A mixture of two or more phases of a pure substance is also a pure substan…
Question

A 1.2 L car engine has four individual cylinders, each one of which holds 0.3 L of fuel + air gas mixture. When the fuel + air gas mixture enters the piston at 1 atm pressure at a standard engine temperature of ~90 °C (again 0.3 L volume), it is compressed adiabatically and irreversibly by a constant external pressure of 608 kPa. Assuming Cv,m = 20.8 J/K/mol, what is Δq, n, P (final), T (final), ΔU, ΔW and ΔH? 
Assume perfect gas behavior

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