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The chemist’s ‘standard temperature and pressure’ of 0° C under 105 pascals makes perfect sense as a reference in the human frame, but is quite unusual in the larger scheme of things.

Molecular Magnitudes at Standard Temperature and Pressure, 0° C. and 76 c. m.

All gas values were corrected to standard temperature and pressure for dry gas.

Basically, Clarke extrapolates the latest scientific theory and hardware into a future where good and evil are controlled under standard temperature and pressure.

This gas weighs 0.695 parts of a grain for each cubical inch, in the common standard temperature and pressure mentioned above, so that 34,242 cubical inches of acid gas are produced by the combustion of one pound of charcoal.