Аннотация:The kinetic theory methods are used to derive and analyze the equations of solids motion in chemically active medium for the bodies of the simplest spherical form. Obtained is the system of equations for velocity, force, angular velocity and angular momentum. Under the adopted assumptions obtained is asymptotics of the system solutions in the form of helix-like trajectories. The result qualitatively corresponds to experimental data, where such helixes were observed with very sensible photo-camera. For quantitative agreement it is necessary to refuse from some simplifications, in particular from spherical form of bodies.