Is this why people store batteries in the fridge? So they won't discharge as fast and might last longer?

When I go hiking in the mountains where it's colder, I have to take any batteries I bought (for flashlights, etc.) and put them in my sleeping bag to keep them warm. They don't work as well when they get really cold.

What equipment do you need to do this experiment?

Hey Matthew, next week I'll be posting detail part lists and where you can find everything & ideas for how to do it as cheap as possible.

What does hotter temperatures have to do with dissoling solids? And what does higher temperatures have to do with kinectic energy?

The higher the temperature the more the molecules move around (kinetic energy). And when something is moving faster on one object, it will have more friction, thus dissolving it.

That's why battery equipment does not work so good in the winter. Sometimes it works again if you heat up the battery in your hands.

i think that since electrolytic conductance increases with an increase in temperature,so in winter, temperaturis so low and will decrease the electrolytic conductance.

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Electrolyte (temperature test)

Name: Electrolyte (temperature test)
Uploaded: 2013-04-20T15:47:34Z
Description: Here we experiment with hot vs. cold vinegar as our electrolyte. Does the deflection in our galvanometer depend on temperature? Why?

Google Classroom

Here we experiment with hot vs. cold vinegar as our electrolyte. Does the deflection in our galvanometer depend on temperature? Why? Created by Sal Khan.

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Brooke
Posted 10 years ago. Direct link to Brooke's post “Is this why people store ...”
Is this why people store batteries in the fridge? So they won't discharge as fast and might last longer?
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(10 votes)
Answer
- Tim Meekins
  Posted 9 years ago. Direct link to Tim Meekins's post “When I go hiking in the m...”
  When I go hiking in the mountains where it's colder, I have to take any batteries I bought (for flashlights, etc.) and put them in my sleeping bag to keep them warm. They don't work as well when they get really cold.
  Comment on Tim Meekins's post “When I go hiking in the m...”
  (4 votes)
Matthew
Posted 10 years ago. Direct link to Matthew's post “What equipment do you nee...”
What equipment do you need to do this experiment?
Button navigates to signup pageComment on Matthew's post “What equipment do you nee...”
(4 votes)
Answer
- brit cruise
  Posted 10 years ago. Direct link to brit cruise's post “Hey Matthew, next week I'...”
  Hey Matthew, next week I'll be posting detail part lists and where you can find everything & ideas for how to do it as cheap as possible.
  Comment on brit cruise's post “Hey Matthew, next week I'...”
  (7 votes)
raemlong55
Posted 10 years ago. Direct link to raemlong55's post “What does hotter temperat...”
What does hotter temperatures have to do with dissoling solids? And what does higher temperatures have to do with kinectic energy?
Button navigates to signup pageButton navigates to signup page
(3 votes)
Answer
- Ronny Stordock
  Posted 10 years ago. Direct link to Ronny Stordock's post “The higher the temperatur...”
  The higher the temperature the more the molecules move around (kinetic energy). And when something is moving faster on one object, it will have more friction, thus dissolving it.
  Comment on Ronny Stordock's post “The higher the temperatur...”
  (4 votes)
Reinhard Grünwald
Posted 10 years ago. Direct link to Reinhard Grünwald's post “That's why battery equipm...”
That's why battery equipment does not work so good in the winter.
Sometimes it works again if you heat up the battery in your hands.
Button navigates to signup pageComment on Reinhard Grünwald's post “That's why battery equipm...”
(3 votes)
Answer
- Ye Min Hein
  Posted 10 years ago. Direct link to Ye Min Hein's post “i think that since electr...”
  i think that since electrolytic conductance increases with an increase in temperature,so in winter, temperaturis so low and will decrease the electrolytic conductance.
  Button navigates to signup page
  (3 votes)
Wudaifu
Posted 10 years ago. Direct link to Wudaifu's post “Why does the introduction...”
Why does the introduction above the video say, "Here we experiment with hold vs cold vinegar as our electrolyte"? Shouldn't it say "HOT" vs cold instead?
Button navigates to signup pageComment on Wudaifu's post “Why does the introduction...”
(3 votes)
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- Sarah Brown
  Posted 9 years ago. Direct link to Sarah Brown's post “Yes, it's probably just a...”
  Yes, it's probably just a typing mistake.
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  (1 vote)
Avery Follett
Posted 10 years ago. Direct link to Avery Follett's post “Before watching video: I ...”
Before watching video: I don't think it would depend on the temp. as long as it is always the same material.

After watching video: Wow. The hot water makes a big difference.
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(3 votes)
Answer
christian
Posted 10 years ago. Direct link to christian's post “does Brit talk in the ele...”
does Brit talk in the electrolyte
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(3 votes)
Answer
Erica T
Posted 8 years ago. Direct link to Erica T's post “(When the type of acid an...”
(When the type of acid and distance and surface area constant) the hotter the acid is, the stronger the magnetic field is (the type of acid and distance and surface area constant)?
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(2 votes)
Answer
EvansTreasure 2025
Posted 10 years ago. Direct link to EvansTreasure 2025's post “where is he geting the po...”
where is he geting the power
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(2 votes)
Answer
- L M
  Posted 9 years ago. Direct link to L M's post “The 'power' is generated ...”
  The 'power' is generated when the electrons want to flow from one material to another. You can see this when it bubbles up at
  1:13
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  (1 vote)
Josiah
Posted 10 years ago. Direct link to Josiah's post “Was the second liquid hot...”
Was the second liquid hot water or hot vinegar?
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(2 votes)
Answer
- Margaret Smith
  Posted 10 years ago. Direct link to Margaret Smith's post “At 0:26 you can see that ...”
  At
  0:26
  you can see that he writes down H for hot vinegar. And at the top it says: "Hot vs. cold vinegar." .
  Button navigates to signup page
  (1 vote)

Physics library

Course: Physics library > Unit 18

Electrolyte (temperature test)

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Video transcript