freon-113, c2cl3f3, has an enthalpy of vaporization of 27.0 kj/mol and a normal boiling point of 48.0 °c. what is the vapor pressure (in atm) of freon-113 at 22.0 °c? (r = 8.314 j/k⋅mol)

In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?

An ascending elevator, hanging from a cable, is coming to a stop. part a part complete identify all forces acting on the elevator from the list below. select all that apply. select all that apply. kinetic friction normal force tension weight static friction submitprevious answers correct part b draw a free-body diagram of the object. draw the vectors starting at the black dot. the location and orientation of the vectors will be graded. the exact length of your vectors will not be graded but the relative length of one to the other will be graded.

How do the forces acting on a boat compare to the force acting on a plane ?