The diffusion constant for water in air is 
What is the distance a water molecule can travel by diffusion in 10min?
A. 17 cm
B. 20 cm
C. 25 cm
D. 31 cm
E. 36 cm
A. 17 cm
You might also like to view...
A +4.0-?C charge is placed on the x axis at x = +3.0 m, and a ?2.0-?C charge is located on the y axis at y = ?1.0 m. Point A is on the y axis at y = +4.0 m. Determine the electric potential at point A (relative to zero at the origin)
a. 6.0 kV b. 8.4 kV c. 9.6 kV d. 4.8 kV e. 3.6 kV
An object is placed 15 cm in front of a diverging lens whose focal length is 12 cm. Where will the image be located (in cm)?
a. ?6.7 b. ?7.2 c. ?0.15 d. ?60 e. ?5.0
A 95 N force exerted at the end of a 0.50 m long torque wrench gives rise to a torque of What is the angle (assumed to be less than 90°) between the wrench handle and the direction of the applied force?
A) 18° B) 14° C) 22° D) 25°
A 40-kg box is being pushed along a horizontal smooth surface. The pushing force is 15 N directed at an angle of 15° below the horizontal. What is the magnitude of the acceleration of the crate?
A) 0.16 m/s2 B) 0.36 m/s2 C) 0.47 m/s2 D) 0.39 m/s2 E) 0.68 m/s2