Skip to main content

State in words the meaning of the charge balance equation.The force (in newtons) between two charges q1 and q2 (coulombs, C) is given by: `F =...

The charge balance equation simply says that if you start with an equal number of positive and negative charges (which most substances have), you will end with an equal number of positive and negative charges. So a solution made up of neutral components must itself be net neutral; any positive ions must be matched exactly with an equal quantity of negative ions.The force here is just a matter of plugging into the equation, watching...

The charge balance equation simply says that if you start with an equal number of positive and negative charges (which most substances have), you will end with an equal number of positive and negative charges. So a solution made up of neutral components must itself be net neutral; any positive ions must be matched exactly with an equal quantity of negative ions.

The force here is just a matter of plugging into the equation, watching our units carefully (especially our molarity M, which is mol/L:

`F = (0.224 {lb}/N) (-8.988*10^{9} N/C^2/m^2) * ((10^{-6} {mol}/L) * (9.648 * 10^{4} C/{mol}) * (0.250 L) * (10^{-6} {mol}/L) *(9.648 *10^{4} C/{mol}) * (0.250 L))/(1.5 m)^2 `
`F = 0.201 * 10^{9} * (2.412*10^{-2})^2 / (1.5)^2 lb`


`F = 5.20 * 10^{4} lb`


This is huge amount of force; the beakers would crash into each other.

What this means for the charge balance equation is that theoretically one could separate the positive and negative ions, but it requires an enormous amount of force, and wouldn't happen on its own. The charge balance equation is what happens if the system is allowed to settle into equilibrium, and in practice it doesn't really take long to settle.

Comments

Post a Comment

Popular posts from this blog

What is hyperbole in the story "The Gift of the Magi" by O. Henry?

The most obvious use of hyperbole in "The Gift of the Magi" occurs when the narrator describes Della's and Jim's evaluations of their two treasures—her long, luxuriant hair and his gold watch. Had the Queen of Sheba lived in the flat across the airshaft, Della would have let her hair hang out the window some day to dry just to depreciate Her Majesty's jewels and gifts. Had King Solomon been the janitor, with all his... The most obvious use of hyperbole in "The Gift of the Magi" occurs when the narrator describes Della's and Jim's evaluations of their two treasures—her long, luxuriant hair and his gold watch. Had the Queen of Sheba lived in the flat across the airshaft, Della would have let her hair hang out the window some day to dry just to depreciate Her Majesty's jewels and gifts. Had King Solomon been the janitor, with all his treasures piled up in the basement, Jim would have pulled out his watch every time he passed, just to see him plu
Post a Comment
Read more

How can I analyze Moon and Six Pence by Somerset Maugham?

In "Moon and Sixpence," loosely based on the life of Paul Gaugin, Maugham presents a study of the tension between the "civilized" life of 19th century Europe, and the lead character's desire to throw off the shackles of bourgeois life. Charles Strickland is a middle-aged English stockbroker with a wife and family. By abandoning his domestic life, Strickland commits what many in European society would consider a gross betrayal of one of the foundations of... In "Moon and Sixpence," loosely based on the life of Paul Gaugin, Maugham presents a study of the tension between the "civilized" life of 19th century Europe, and the lead character's desire to throw off the shackles of bourgeois life. Charles Strickland is a middle-aged English stockbroker with a wife and family. By abandoning his domestic life, Strickland commits what many in European society would consider a gross betrayal of one of the foundations of that society. His decision to e
Post a Comment
Read more

What are some literary devices in Macbeth, Act V, Scene 1?

Act V, Scene i of Macbeth certainly continues the imagery that is prevalent in the play with its phantasmagoric realm, as in this scene a succession of things are seen or imagined by Lady Macbeth. Imagery - The representation of sensory experience Lady Macbeth imagines that she sees bloody spots (visual imagery) on the stairs; she also smells blood (olfactory imagery): Here's the smell of the blood still. All the perfumes of Arabia will not... Act V, Scene i of Macbeth certainly continues the imagery that is prevalent in the play with its phantasmagoric realm, as in this scene a succession of things are seen or imagined by Lady Macbeth. Imagery - The representation of sensory experience Lady Macbeth imagines that she sees bloody spots (visual imagery) on the stairs; she also smells blood (olfactory imagery): Here's the smell of the blood still. All the perfumes of Arabia will not sweeten this little hand. Oh! oh, oh! (5.1.53-55) Hyperbole - Obvious exaggeration  There is also h
Post a Comment
Read more