Cohesion, Adhesion and high surface tension.
Answer:
Substances 1 and 2
Explanation:
an element only has 1 kind of atoms :3
Hvap, Tvap, Mr are constants
Hvap = 443.38 kJ/kg = 196417.34 J/mol
Tvap = -85.1 °C
Mr = 36.5 g/mol
n = 1.80 mol
ΔS = n*Hvap/Tvap
ΔS = 1.80 * 196417.34 / (273-85.1)
ΔS = 1881.59 J/K = 1.882 kJ/K
The answer to this is 255.85 grams