Consider an ideal gas at 27.0 degrees celsius and 1.00atmosphere pressure. imagine the molecules to be uniformly spaced, with each molecule at the center of a small cube. what is thelength lof an edge of each small cube if adjacent cubes touch but don'toverlap?

The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.