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For questions about gas pressure, or the effect of pressure in general on chemical species, substances, or reactions.

6 votes
1 answer
53k views

Reversible and Irreversible adiabatic expansion

If the initial pressure inside the balloon is $325$ millibar, and it ascends to a latitude with a pressure of $7.45$ millibar, by what percent does the absolute temperature change: Assuming the process …
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  • 161
3 votes
1 answer
30k views

Convert from Pa to Pa to J/dm^3 [closed]

Given the value 380 PaK^-1, how do I convert Pa to Jdm-3? I know that 1 joule = 1 Nm, and that 1 pascal = 1 N/m^2. But where does the dm^-3 (or L) come into this? I don't know where to start.
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