Pls help Tarnish is produced by a redox reaction that occurs when a metal reacts with a nonmetallic compound. The black tarnish on a silver dish might be produced by a reaction between silver and hydrogen sulfide. What occurs during this reaction?
A. Silver atoms lose electrons to sulfur atoms.
B. Silver atoms gain electrons from sulfur atoms.
C. A double-replacement reaction takes place
D. An acid-base reaction takes place.

The momentum of an isolated system is conserved a) only in inelastic collisions. b) only in elastic collisions. c) in both elastic and inelastic collisions

Part a determine the magnitude of the x component of f using scalar notation. fx f x = nothing lb request answer part b determine the magnitude of the y component of f using scalar notation. fy f y = nothing lb request answer part c determine the magnitude of the z component of f using scalar notation. fz f z = nothing lb request answer provide feedback figure1 of 1a force vector acting on a ring attached to the ground is shown in the xyz space together with its x, y, and z components lying on the corresponding positive axes. the ring is located at the origin. force f is located in the first octant. f makes an angle of 60 degrees with its x component and an angle of 45 degrees with its y component. a force vector acting on a ring attached to the ground is shown in the xyz space together with its x, y, and z components lying on the corresponding positive axes. the ring is located at the origin. force f is located in the first octant. f makes an angle of 60 degrees with its x component and an angle of 45 degrees with its y component.

The dot diagram represents the motion of the motorcycle as it moves from left to right