Arod made up of a single element is used to heat water using electricity. to which group does this element probably belong to?

The membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space. assume that the membrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has a magnitude of 7.0 × 10-6 c/m2. (a) what is the magnitude of the electric field within the cell membrane? (b) find the magnitude of the electric force that would be exerted on a potassium ion (k+; charge = +e) placed inside the membrane.

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island