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Posted: Sun Feb 10, 2019 3:32 pm
In the homework the textbook often assumes something is an ideal gas or the pressure is constant. How do we know when we can make assumptions like those?
Posted: Sun Feb 10, 2019 3:51 pm
Generally, we will be treating things as ideal gases. Questions often have clues to tell you if there is constant pressure.
Posted: Sun Feb 10, 2019 3:56 pm
These assumptions are usually made to simplify the concepts, and you should be told usually if you aren't working with a gas in ideal conditions. As for constant pressure, that sometimes is required (like in measuring enthalpy).