At the bottom of a hill, the kinetic energy of the cars should be equal to the potential energy of the car at the top of the hill. are the kinetic energy values for group a and group b equal to, less than, or greater than the potential energy value?

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)