Tossup

This process is performed on saturated liquids like R22 before condensation and throttling steps in most air conditioners. This process is performed immediately before a spark plug (10[1])ignites fuel in a four-stroke engine, while it causes autoignition (10[1])in diesel engines. (-5[1])Air undergoes this process (10[1])at every (-5[1])peak of a sound wave. The surroundings (10[1])do positive PV work (10[1])on the system in this process, (-5[1])which occurs in the last two steps of the Carnot (“kar-NO”) cycle. This process, which increases pressure by Boyle’s law, is performed by lowering a piston and typically follows an expansion step. (10[1])For 10 points, name this process in which a gas is forced into a smaller volume. ■END■ (10[2])

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