Input interpretation
monoprotic acids | topological polar surface area
Summary
median | 37.3 Å^2 largest | 71.4 Å^2 (perchloric acid) smallest | 20.2 Å^2 (phenol and ethanol) distribution | | (based on 16 values; 4 unavailable)
Entities with missing values
hydrobromic acid | hydroiodic acid | hydrochloric acid | hydrofluoric acid (total: 4)
Topological polar surface area rankings
1 | ethanol | 20.2 Å^2 2 | phenol | 20.2 Å^2 3 | hypochlorous acid | 20.2 Å^2 4 | hydrogen cyanide | 23.8 Å^2 5 | isothiocyanic acid | 23.9 Å^2 6 | acetic acid | 37.3 Å^2 7 | benzoic acid | 37.3 Å^2 8 | formic acid | 37.3 Å^2 9 | chloroacetic acid | 37.3 Å^2 10 | fluoroacetic acid | 37.3 Å^2 11 | trifluoroacetic acid | 37.3 Å^2 12 | iodic acid | 54.4 Å^2 13 | methanesulfonic acid | 54.4 Å^2 14 | trifluoromethanesulfonic acid | 54.4 Å^2 15 | nitric acid | 63.4 Å^2 16 | perchloric acid | 71.4 Å^2 (based on 16 values; 4 unavailable)
Unit conversions for median topological polar surface area 37.3 Å^2
0.373 nm^2 (square nanometers)
3.73×10^-19 m^2 (square meters)
4.015×10^-18 ft^2 (square feet)
Corresponding quantities
Radius r of a circle from A = πr^2: | 345 pm (picometers) | 1.4×10^-8 inches
Radius r of a sphere from A = 4πr^2: | 172 pm (picometers) | 6.8×10^-9 inches
Edge length a of a square from A = a^2: | 611 pm (picometers) | 2.4×10^-8 inches
Energy E from E~ℏc/sqrt(A): | 323 eV (electronvolts) | 5.2×10^-17 J (joules)