Ever wonder why you have to purchase new batteries...? Here in my own words explains why you have to buy new batteries.. Ooh no, my battery is died you say! Why? Well, in each battery it tells you how much voltage you have. This could be a number saying you have this amount of storied energy. There are two compartments of a battery; you have a membrane that separates the negative charge from the on the positive charge. So, what causes the movement of ions? Two forces: Electrical concentration gradient and the other Chemical concentration gradient that are involved in moving ions across their membrane. So how does Electrical concentration gradient influence the ions to cross? Its their charge. Huh?!? you say. You have side A of negative charge and on side B, a positive charge. So, which way are the ions (negative ions) going to move? To the B side, right?... Its because negative charge is attracted to the positive side. Here is how Chemical concentration gradient can move ions across their membrane. If side A, on the left side of the membrane, has high concentration of ions than side B, which way is the ions going to diffuse? To the right..why? By diffusion....Huh?! Simply this means moving of particles from high concentration gradient to lower concentration gradient. Picture, this you are in a classroom, where there is 100 students and you know that if you leave this classroom there is going to be less students outside, where direction are you going to move? Outside. Why? High concentration to lower concentration. And when concentrations increase on side B on the right side if membrane, which way is the ions going to move? To the left--side A. By having ions move across their membrane, this creates a flow of electricity giving you power. When you have used ALL of your free charged ions, there is NO flow of ions passing through the membrane, you have reached Nernst (Equilibrium: equal concentrations of particles on both sides) Potential.
Posted on: Sat, 29 Mar 2014 19:27:41 +0000
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