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Dars
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simple question about "fixed volume"
What exactly does "fixed volume" mean in thermodynamics, for a liquid? Does it mean that the container volume is fixed or that the volume of water is fixed, or that the volume of both the container and the water is fixed?
This is confusing me because if it refers only to the container having a fixed volume, then the volume of water could vary (like if you heat the water) while the volume of the container stays fixed. (for example, you have 1L of water in a 2L container).
This all started from a problem which states: "A sample of hot water is mixed with a sample of cold water in an insulated container of fixed volume..." it says the container is fixed volume, so does that mean the water fits perfectly in the container (no air space at the top?)
What exactly does "fixed volume" mean in thermodynamics, for a liquid? Does it mean that the container volume is fixed or that the volume of water is fixed, or that the volume of both the container and the water is fixed?
This is confusing me because if it refers only to the container having a fixed volume, then the volume of water could vary (like if you heat the water) while the volume of the container stays fixed. (for example, you have 1L of water in a 2L container).
This all started from a problem which states: "A sample of hot water is mixed with a sample of cold water in an insulated container of fixed volume..." it says the container is fixed volume, so does that mean the water fits perfectly in the container (no air space at the top?)