For the cell notation shown, which species is undergoing reduction?

Because you ate playdough

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

Convection is da answer my dood

Ijust took the quiz. their is no coefficient needed. : )