Which statement explains why the compass needle points in the direction it
does?

Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

In 2002, the rare earth elements mine in mountain pass, california was closed because