ir is mostly a mixture of diatomic oxygen and nitrogen; treat it as an ideal gas with
Theuniversalgasconstantis?=8.315J⋅mol−1 K−1. The compression ratio of a diesel engine is 15:1, meaning that air in the
cylinders is compressed to 1/15 of its initial volume. If the initial pressure is 1.01 × 105 Pa and the initial temperature is 300 K, find:
i) The final temperature after adiabatic compression.
ii) The final pressure after adiabatic compression.
iii) How much work the gas does during the compression if the initial volume of the cylinder is 1.00 L = 1.00 × 10−3 m3.
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