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From Wikipedia

Strong electrolyte

A strong electrolyte is a solute that completely, or almost completely, ionizes or dissociates in a solution. These ions are good conductors of electric current in the solution.

Originally, a "strong electrolyte" was defined as a chemical that, when in aqueous solution, is a good conductor of electricity. With greater understanding of the properties of ions in solution its definition was gradually changed to the present one.

A concentrated solution of this strong electrolyte has a lower vapour pressure than that of pure water at the same temperature. Strong acids, strong bases, and soluble ionic salts that are not weak acids or weak bases are strong electrolytes.

Writing reactions

For strong electrolytes, a single reaction arrow shows that the reaction occurs completely in one direction, in contrast to the dissociation of weak electrolytes, which both ionize and re-bond in significant quantities .

Strong electrolyte(aq)→ Cation+(aq) + Anion-(aq)

Strong electrolytes conduct electricity only when molten or in aqueous solutions. Strong electrolytes break apart into ions completely.

The stronger an electrolyte the greater the voltage produced when used in a galvanic cell.

Examples of Strong Electrolytes

Strong Acid

Strong Base

From Yahoo Answers

Question:And how does that determine if it's a strong or weak acid, strong or weak base, or neutral? For example: H2SO3 weak electrolyte weak acid NaH2PO4 strong electrolyte weak acid NaC2H3O2 strong electrolyte weak base NaNO3 strong electrolyte neutral NaBr strong electrolyte neutral NaNO2 strong electrolyte weak base

Answers:a strong acid or base is mostly a strong electrolyte a weak acid (vinegar) or base is mostly a weak electrolyte unless the weak base / acid has a metal ion, it i a strong electrolyte as it releases all of its electrons strong acids and bases fully ionises, which releases a large amount of free electrons to the water, which allows great electrical conductivity while weak acids and bases partly ionises, which releases only some of its electrons, thus it is less strong of an electrolyte. most soluble salts are strong electrolytes as they dissipate / fully ionizes into an electrolyte as they release all of their electrons into the solution

Question:Assuming that each of the following compounds is soluble in water, predict whether each is likely to be a strong electrolyte, a weak electrolyte, or a non-electrolyte. a. isopropyl alcohol (C3H7OH) b. sodium fluoride (NaF) c. lithium hydroxide (LiOH) d. hydrocyanic acid (HCN) True or False, all insoluble compounds are non electrolytes. Explain. If someone could help me solve these it would be great. And after you are done answering them could you tell me how you got your answer that be awesome! Thanks!

Answers:A. Weak B. Weak C Strong D Weak (Your teacher should give you the sheet called "Relative strengths of Bronsted Lowry Acids and bases. False because nonelectrolytes are substances that dissolve in water but do not produce any ions. An example would be ethanol and sugar. However the reaction of NH3 in water produces NH4^+ and OH^-. (This was in my chem 121 textbook)

Question:I got a test tomorrow, I need to know how they differ on a molecular and physical level. Thanks!

Answers:electrolytes react with water to form ions in solution, and nonelectrolytes have molecules.Electrolytes are ionic compounds and some covalent compounds like strong acids. Non electrolytes do not ionize in water. Only covalent compounds like CH4 and C6H6 can be nonelectrolytes

Question:please explain, i have a final exam tomorrow and i can't seem to understand this. can some one make it more clear for me please. god bless you.

Answers:If it's a soluble compound containing a metal... If it's a dilute strong acid... ...then it's an electrolyte.

From Youtube

Electrolytes :The term electrolyte is a term used when talking about solutions with water as the solvent. We demonstrate the property of being an electrolyte with an electrical conductivity tester like this. Pure water does not conduct electricity. I will put the electrodes of this apparatus into a beaker of pure water. There is no light coming from the light bulb. If I dissolve a material in this water and the light lights brightly, the dissolved material is called a strong electrolyte. As an example, here is a small amount of table salt. As I add it to the water and dissolve it, it dissolves by breaking into charged particles, the ions of sodium and chlorine, which now allow the solution to conduct electricity. So the ionic substance table salt is a strong electrolyte The term non-electrolyte refers to a substance which dissolves in water but does not allow electrical conductivity. Here is some water and some sugar. As the sugar dissolves, the light does NOT light up. So sugar is a non-electrolyte. Some acids and bases are also strong electrolytes. Here as an example is some hydrochloric acid. Only a little in the water allows the light to light up very brightly. So the acid is also a strong electrolyte and is called a strong acid. Acetic acid, on the other hand, dissolves but allows very little electricity to go through the water. See how the light bulb gives off much less light. Thus we call acetic acid a weak electrolyte and a weak acid.

Electrolytes and Non Electrolytes :Check us out at www.tutorvista.com Electrolyte: a solution that conducts electricity Acids, bases and salts in solution are all examples of electrolytes. Non-electrolyte: a solution that does not conduct electricity The positive ions found in electrolytes accept electrons and the negative ions return them to the circuit. Above: Na+1 + 1e Na 2 Cl-1 Cl2 + 2e 2. From the point of view of physical properties, what do electrolytes have in common? Non-electrolytes? Electrolytes and non electrolytes both interfere with the boiling and freezing of water. Thus they lower the freezing point of water and elevate its boiling point. 3. What chemical properties do electrolytes share? Non-electrolytes? Electrolytes react quickly because their reactions involve the simple breaking and reforming of ionic bonds. Generally non electrolytes react more slowly because their reactions involve covalent bonds, which are harder to break and reform