Next you place the pan on a hot electric stove. while the stove is heating the pan, you use a beater to stir the water, doing 21471 j of work, and the temperature of the water and pan increases to 77.7°c. how much energy transfer due to a temperature difference was there from the stove into the system consisting of the water plus the pan?

Cells in the nervous system have a potential difference of 70 mv across the cell membrane separating the interior of the cell from the extracellular fluid. this potential difference is maintained by ion pumps that move charged ions across the membrane. is this an emf? select the correct answer and explanation. 1)no. the ion pumps cannot separate charges; thus, they cannot create a potential difference. 2)yes. the ion pumps cannot separate charges, but they still can create a potential difference. 3)yes. the ion pumps can actively separate charge; thus, they can create a potential difference. 4)no. the ion pumps can separate charges, but they cannot create a potential difference.