Question

When a 0.8 mm diameter tube is immersed in a liquid with a density of 820 kg/m$^3$, the liquid rises 7 mm in the tube and makes a contact angle of 26°. Which of the following is the surface tension of the liquid? ($g$=9.81 m/s$^2$) 0.025 Nm$^{-1}$ 0.025 Nm$^{-1}$ 0.25 Nm$^{-1}$ 0.25 Nm$^{-1}$

          When a 0.8 mm diameter tube is immersed in a liquid with a density of 820 kg/m$^3$, the liquid
rises 7 mm in the tube and makes a contact angle of 26°. Which of the following is the surface
tension of the liquid? ($g$=9.81 m/s$^2$)
0.025 Nm$^{-1}$
0.025 Nm$^{-1}$
0.25 Nm$^{-1}$
0.25 Nm$^{-1}$

When a 0.8 mm diameter tube is immersed in a liquid with a density of 820 kg/m^3, the liquid
rises 7 mm in the tube and makes a contact angle of 26°. Which of the following is the surface
tension of the liquid? (g=9.81 m/s^2)
0.025 Nm^-1
0.025 Nm^-1
0.25 Nm^-1
0.25 Nm^-1

Added by Justin T.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Thanks for your feedback!

I am not sure if it is true. When a 0.8 mm diameter tube is immersed in a liquid with a density of 820 kg/m^3, the liquid rises 7 mm in the tube and makes a contact angle of 26Â°. Which of the following is the surface tension of the liquid? (g = 9.81 m/s^2) 1.02 N/m