Create Heat Through Repeated Collision

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Discussion Overview

The discussion revolves around the possibility of generating significant heat through the collision of metals, specifically aiming for temperatures around 400 degrees F. Participants explore the idea of using mechanical action, such as shaking, to facilitate heat generation, and consider the role of chemical reactions between metals.

Discussion Character

  • Exploratory
  • Debate/contested
  • Technical explanation

Main Points Raised

  • One participant inquires about metals or catalysts that could generate heat through collision, similar to iron-filled hand warmers but at higher temperatures.
  • Another participant argues that mechanical shaking alone cannot produce the required heat, as the energy input from shaking is insufficient to reach 400 degrees F.
  • There is a suggestion that a chemical reaction between two metals could potentially generate heat, with references to thermite and common hand warmers as examples.
  • One participant cautions against using thermite due to its extreme heat and danger, suggesting that a campfire might be a safer alternative.
  • A participant expresses uncertainty about the chemistry involved and considers whether to seek further discussion in a chemistry forum.

Areas of Agreement / Disagreement

Participants generally disagree on the feasibility of generating the desired heat through the proposed method. While some explore the potential for chemical reactions, others emphasize the limitations of mechanical energy alone.

Contextual Notes

There are unresolved assumptions regarding the specific conditions under which metals might react and the definitions of the terms used in the discussion. The feasibility of achieving the desired temperatures through the proposed methods remains uncertain.

Who May Find This Useful

This discussion may be of interest to individuals exploring heat generation methods, those curious about chemical reactions between metals, and participants in forums focused on chemistry or materials science.

g124v17y
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Does anyone know of a metal and catalyst or two metals that when collide create a great amount of heat? For example, iron filled hand warmers get warmer when you shake them, but I am looking for temperatures enough to bake with, so up to about 400 degrees F. I am thinking about filling a container with shavings of metal x and putting a solid ball of metal y in with it, and shaking the container to create the heat desired.

Possible?
 
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Hi g124, welcome to the board. It sounds like you want to have heat generated by the mechanical action of shaking or impact as opposed to a chemical means. If that's the case, then there is no way to do what you're asking for and there's a simple reason why. For a device that doesn't change chemical composition and only has the energy input from a person shaking their hands, all the energy to heat the mass has to come from the energy input which is the shaking motion. That shaking motion doesn't represent any more heat than what you get rubbing your hands together, so 400 F isn't going to happen without a hell of a lot of hand shaking.
 
I see what you are saying, but I was hoping that a chemical reaction between two metals could be used to create heat. Are there no chemicals that when collide create heat? Thermite? Common hand warmers? The shaking would just be the kinetic catalyst to the chemical reaction, much like spinning the steel wheel against the stationary flint in a lighter.
 
I'm sure there are but I'm not a chemist.
 
g124v17y said:
I see what you are saying, but I was hoping that a chemical reaction between two metals could be used to create heat. Are there no chemicals that when collide create heat? Thermite? Common hand warmers? The shaking would just be the kinetic catalyst to the chemical reaction, much like spinning the steel wheel against the stationary flint in a lighter.

A chemical reaction producing heat isn't the same as two metals colliding and producing heat.

I think you mean you want two metals that react when they come in contact and generate the required heat.

Don't even attempt thermite. It's far hotter than you need and extremely dangerous - not to mention the speed of the reaction.

You'd be better off making a camp fire.
 
Yes! that's exactly what I mean... should i post this in a chemistry forum? lol
 
That might be a better place for it.
 

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