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 questions about what occurs when the valve between the two bulbs is opened.
-What is true about the value of w?

Question

Quizplus · Accepted Answer

When the valve between the two bulbs is opened, the gas expands into the evacuated bulb without any external pressure being applied to it. This is an example of free expansion, where work done (w) on or by the system is equal to zero because there is no external force opposing the expansion.

Consider a Gas in a 1