Consider a gas in a 1.0 L bulb at STP that is connected via a valve to another bulb that is initially evacuated.Answer the following concerning what occurs when the valve between the two bulbs is opened.
-What is true about the value of q?

Question

Quizplus · Accepted Answer

When the valve between the two bulbs is opened, the gas expands into the evacuated bulb without any exchange of heat with the surroundings, assuming ideal conditions. This is an example of a free expansion process, where no work is done on or by the system and no heat is transferred to or from the system, making q (the heat exchanged) equal to zero.

Consider a Gas in a 1