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# Homework+_7_edit - Name ChBE 2100 Homework#7 Due Wed Oct 26...

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Name________________________________________________________________________________ ChBE 2100 Homework #7 Due Wed., Oct. 26 Please follow the homework guidelines outlined in the syllabus. Sign the Honor Code and use this page as a coversheet for your solutions. Honor Code: I commit to uphold the ideals of honor and integrity by refusing to betray the trust bestowed upon me as a member of the Georgia Tech community. _______________________________________ Signature 1. A sample of oxygen is subjected to an absolute pressure of 2.4 atm. If the specific internal energy of the sample at 310 K is 5700 J/mol relative to a known reference state, what is the specific enthalpy of the oxygen relative to that reference state? 2. A weight is added to a piston so that the volume of the gas inside the container is reduced from 2.5 L to 1.0 L at a constant temperature. How must heat do you need to add to the system if you want to increase the volume back to 2.5 L at this new pressure. List your assumptions. 3. Define a system and simplify the open-system energy balance for each of the following cases.

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Homework+_7_edit - Name ChBE 2100 Homework#7 Due Wed Oct 26...

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