7.13. Heptane and heptyl acid were taken. Which of them will be better spread over water if the cohesion works are respectively 0.0402 and 0.0556 J / m2, and the adhesion works are 0.0419
and 0.0948 J / m2?
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.