Source status: Attributed to Émile Clapeyron
The pressure, volume, and temperature of a gas are tied together (PV = nRT). Squeeze it or heat it, and the other quantities have to give.
- Émile Clapeyron
Shrink the space, and the pressure goes up.
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Heat a sealed container and the pressure rises until something gives.
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No gas is ideal. Real gases follow the law only when pressure is low and temperature is high, which is when little is at stake.
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This law belongs with Murphy's Miscellaneous Laws, where small assumptions, timing, and system complexity tend to turn into memorable failures.
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