Use the tabulated half-cell potentials to calculate K for the following balanced redox reaction at 298K. 2Al(s)+3Mg2+(aq)→2Al3+(aq)+3Mg(s)

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

Sorry i dont understand the question can you rephase it?

The answer is 4 i don't know if its right let me see.

The answer is nitrogen-containing bases