Input interpretation
mineral acids | vapor pressure
Summary
median | 986.4 Pa highest | 2.307×10^6 Pa (hydrobromic acid) lowest | 0.008 Pa (sulfuric acid and aqueous sulfuric acid) distribution | | (based on 12 values; 12 unavailable)
Entities with missing values
hydrochloric acid | hydrazoic acid | nitrous acid | hypochlorous acid | phosphorous acid | sulfurous acid | hypobromous acid | chromic acid | hypoiodous acid | iodic acid | ... (total: 12)
Distribution plots
(vapor pressure in pascals)
Vapor pressure rankings
1 | aqueous sulfuric acid | 0.008 Pa 2 | sulfuric acid | 0.008 Pa 3 | phosphoric acid | 293.3 Pa 4 | boric acid | 346.6 Pa 5 | aqueous perchloric acid | 906.4 Pa 6 | perchloric acid | 906.4 Pa 7 | aqueous nitric acid | 1066 Pa 8 | nitric acid | 1066 Pa 9 | hydrofluoric acid | 3600 Pa 10 | hydroiodic acid | 450000 Pa 11 | hydrogen sulfide | 1.737×10^6 Pa 12 | hydrobromic acid | 2.307×10^6 Pa (based on 12 values; 12 unavailable)
Unit conversions for median vapor pressure 986.4 Pa
0.9864 kPa (kilopascals)
986.4 N/m^2 (newtons per square meter)
100.6 kgf/m^2 (kilograms-force per square meter)
0.009735 atm (atmospheres) (unit officially deprecated)
0.01006 at (technical atmospheres) (unit officially deprecated)
9.864 mbar (millibars)
0.09864 dbar (decibars)
7.399 torr (unit officially deprecated)
7.399 mmHg (millimeters of mercury)
0.2913 inHg (inches of mercury)
10.06 cm WC (centimeters of water column)
100.6 mm WC (millimeters of water column)
0.1006 m WC (meters of water column)
3.96 in WC (inches of water column (conventional))
0.1431 psi (pounds-force per square inch)
20.6 lbf/ft^2 (pounds-force per square foot)
9.864 vacs
Comparisons for median vapor pressure 986.4 Pa
≈ (0.1 to 1) × approximate explosion peak overpressure needed to break a glass window ( 1000 to 10000 Pa )
≈ (0.9 to 1.5) × atmospheric pressure on the surface of Mars ( 0.007 to 0.01 bar )
≈ 1.6 × partial vapor pressure at the triple point of water ( 611.7 Pa )
Corresponding quantities
Depth of water d giving gauge pressure p_e from p_e = ρ_(H_2O)gh: | 10 cm (centimeters) | 0.33 feet | 4 inches | (assuming maximum water density ≈ 1000 kg/m^3)
Standard Atmosphere altitude: | 31 km (kilometers) | 19 miles | (based on 1976 US Standard Atmosphere)