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Questions tagged [conductivity]

A material's ability to conduct electric current or thermal energy by any means.

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0answers
114 views

What is the equation that demonstrates the relationship between molar conductivity and temperature?

Can someone please help me find the equation that defines the relation between molar conductivity and temperature. I have found some information, but it was not really that much complete.
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450 views

How to determine limiting conductivity of specific ions?

Given a table with equivalent conductivity of certain electrolytes, how can I determine the conductivity of separate ions? I know that you can find the difference between for example $\ce{K+}$ and $\...
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1k views

Sulfuric Acid Resistance / Conductivity

I diluted sulfuric acid in deionized water in order to get a 10% $\ce{H2SO4}$ solution. I was going to use this solution as a cathode of a porous sample to measure its electrical properties. However,...
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3answers
24k views

What is the unit of molar conductivity? [closed]

Could you explain what is unit of molar conductivity along with derivation
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1answer
1k views

Conductivity of water and chlorine?

I am a novice in chemistry and i have a question: I know that water is not a good conductive material (since there is a perfect bond in water I think) but I am thinking that if we add chlorine which ...
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1answer
3k views

How can one make graphene cables?

You might have seen in the short 2 minute video here: billionsinchange.com/solutions/limitless-energy that the Billionaire Founder (net worth $4 billion) Manoj Bhargava talks about creating cables ...
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1answer
1k views

Is sodium hypochlorite solution an ionic solution - does it conduct current?

Does an aqueous solution of sodium hypochlorite conduct current?
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1answer
2k views

Conductance and Conductivity of acid base titration?

I have a question with $\ce{NaOH}$ initially present with given concentration and conductivity, then an equal volume of given concentration of HCl is added and the final conductivity is given, again a ...
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2answers
2k views

Calculating molar conductance of CaCl2

Ok, so the following question is given in my text book. Of the molar conductance value of $\ce{Ca^2+}$ and $\ce{Cl^-}$ at infinite dilution are respectively $118.88\times10^{-4}$ and $77.33\...
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1answer
61 views

What element has good conductivity but is also brittle? [closed]

I'm confused by what element(s) can be identified to have these properties. The following is text from my 2019-2020 Kaplan MCAT General Chemistry book under the metalloids section Silicon (Si) has ...
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1answer
227 views

Logical reasoning behind the formula for molar conductance of an electrolyte [closed]

I am studying some introductory material on electrochemistry. My book and all standard websites I've found define the molar conductance of an electrolyte as "conductivity of an electrolyte solution ...
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1answer
99 views

How can a conductivity experiment have higher voltage than battery?

I did an experiment where I tested the conductivity of different solutions and some substances. We connected a 9 bolt battery, some aluminum foil sticks, and a multimeter that reads the voltage. It ...
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1answer
65 views

A chemical compound with these conditions? [closed]

I am searching for a chemical compound which meets these five conditions: slightly soluble in water layered strutcture ionic conductor thermochromism lead must be a part of it.
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1answer
80 views

Molar conductivity of transition metal complexes solutions [closed]

Which of the following has the highest molar conductivity? (A) Diaminedichloroplatinum(I) (B) Tetraamminedichlorocobalt(III) chloride (C) Potassium hexacyanoferrate(II) (D) Hexaaquochromium(...
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1answer
110 views

How to measure the electrical conductivity of a substance? [closed]

Suppose you are given these substances: $\ce{NaOH(aq)}$ $\ce{HCl(aq) }$ $\ce{C6H12O6(aq) }$ $\ce{NH3(l)}$ Are there rules to figure out how conductive each compound is? Is it based on ...
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1answer
86 views

Do the salt bridge ions have to match the ions in the half-cells solutions?

Does the salt bridge in a galvanic cell have to have the same ions as the ones in the solutions? E.g. does it need to have nitrate ions if the half-cells contain copper nitrate and zinc nitrate, or ...
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1answer
312 views

What are some good references on conductometry as an analytical technique?

Non of the standard undergraduate textbooks in analytical chemistry (such as Skoog, Harris) discusses conductometry as an analytical technique. I wonder whether this technique is obsolete. Or is it ...
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0answers
12 views

Is there a method to calculate the concentration of a Sodium Sulphate solution from its electrical conductivity?

I have a sodium sulphate solution which was made by reacting NaOH with CuSO4, I need to know its concentration to use it on a project, as soon as possible. I couldn't know for sure what was the mass ...
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14 views

Would graphene be a good efficient conductor of electricity in mobile phones [duplicate]

Gold is commonly used in mobile phones as an electrical conductor,as it is apparently better than copper at conducting electricity Quoting from extremetech.com : "The materials recovered are reused ...
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76 views

Changes in conductivity of CuSO4 solution after NH3 solution is added

In my high school chemistry class we are writing a lab. Originally, I wanted to measure the rate of a ligand exchange reaction at different temperatures by measuring changes in conductivity. After ...
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1answer
84 views

The Conductivity of Electrolytes based on structure of Ionic Crystal [closed]

Background I want to run an experiment to test the conductivity of various ionic compounds dissolved in water. I was hoping to see some sort of trend in the increase/decrease of conductivity based ...
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0answers
33 views

Fabrication and/or Selection of a Single Crystal Ionic Conductor

I want to fabricate or buy single crystal ionic conductors for usage as solid state electrolytes in batteries testing. However, I am having trouble finding anyone that can sell appropriate materials. ...
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1answer
3k views

Calculate limiting molar conductivity of BaCl2

How can I calculate limiting molar conductivity of BaCl2 in water at 25 degree Celsius? I have got a formula for calculating limiting molar conductivity . limiting molar conductivity = V+ A+ + ...
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0answers
149 views

Proof of Concentration dependence of molar conductivity

If we go by the simple electron model, Conductivity/Concentration=carrier charge*mobility and mobility is only dependent on temperature for electrons. My question is regarding strong electrolyte, I ...
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0answers
201 views

How does a metal atom's size affect the electrical conductivity of it's giant metallic structure?

In giant metallic structures, how does a metal atom's size affect the structure's electrical conductivity? (i.e. what happens if you go down a group of metal elements?)
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168 views

How to electronically calculate alcoholic level of a liquid

Is there any way to estimate the alcohol content of a drink with an electric test? Is alcohol in a liquid (e.g wine) dependent on the drink's conductivity?
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2answers
440 views

Does titanium(II) oxide conduct electricity? [duplicate]

In my book, it is given that $\ce{TiO(s)}$ is an electrical conductor. But I'd think that since $\ce{TiO(s)}$ is ionic and in solid state, it shouldn't conduct electricity. So, why does it conduct ...
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1answer
249 views

Which solution is more conductive

Which of the following solutions is more conductive: 1) 0.1 M sodium hydroxide and 0.1 M hydrochloric acid mixture (effectively NaCl?) 2) 0.1 M sodium hydroxide and 0.1 M acetic acid mixture (...
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1answer
6k views

Which is more conductive?

There are two choices. One is Nitric acid, and the other is phosphoric acid. The solution of each type of these acids has a concentration of 0.1 mole. I answer would be phosphoric acid, because each ...
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1answer
258 views

Relation of conductivity with electrode distance [closed]

Conductivity is defined as the conduction of ions when the distance between the electrodes is 1 cm and length is 1 cm. Say for instance we have a solution where the distance between the electrodes is ...
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2answers
282 views

How do ionic solution conduct?

Do ionic compounds use ions to conduct? Or do they use electrons? Also why don't they conduct in solid form and only in liquid or gaseous forms? I mean electrons can still travel in solid forms. Do ...
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2answers
73 views

Out of CaCO3 and MgCO3, which has higher electrical conductivity of molten solution? [closed]

According to me, Mg will be more hydrated and so should have lesser conductivity. Is that correct?
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1answer
3k views

Why is AC current used rather than DC current for calculating the conductance of a solution(see body)? [closed]

I was reading the answer of the above question from a book. it said that while using DC current, electrolysis occurs. Hence it affects the conductance of the solution. But if any gaseous product is ...