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**1. I have an airless tube connected to a pot full of mercury. After opening the tap, marked as**

P.S. I do not have any exact numbers or sizes...only variables...

**K**, mercury grew up by height**h**and mass**m**. How much heat was released in this situation?P.S. I do not have any exact numbers or sizes...only variables...

**2. Homework Equations**

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**3. All i did yet, is that i tried to think about the first law of thermodynamics, but what i get here is that i do not have the capacity**

**V**when calcutating the work. I also think I should use**A=mgh**, because i have**m**and**h**So could anybody give me any idea where should I start?

http://img43.imageshack.us/img43/721/kraniukas.png [Broken]

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