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Bullshitty thread about chemical energy

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Wayne_CowdreyIconBullshitty thread about chemical energy18-12-2018 @ 09:19 
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I find it amazing that within a plate of food there is enough energy to move a human body around for hours.

The same applies to fuel for vehicles. Within some liquid is enough energy to move a heavy vehicle hundreds of miles.

Anyone else find this amazing?

Am I talking s**te?

Am I ruining Sugden?
slimsimIcon...18-12-2018 @ 09:54 
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Wayne_Cowdrey said:I find it amazing that within a plate of food there is enough energy to move a human body around for hours.

The same applies to fuel for vehicles. Within some liquid is enough energy to move a heavy vehicle hundreds of miles.

Anyone else find this amazing?

Am I talking s**te?

Am I ruining Sugden?


There are loads of things which are amazing if you just stop to think about them, like how the hell does a Boeing 747 stay in the air (yes, I know it's aerodynamics and all that jazz) when it weighs hundreds of tonnes. And it uses that same liquid!
billynomatesIcon...18-12-2018 @ 11:08 
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Nuclear energy is even more mind boggling. There’s supposedly enough energy in a glass of water to power London for a year. Or something like that
Wayne_CowdreyIcon...18-12-2018 @ 11:19 
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'very impressive' ............ 7 years ago.
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Wow!
The_Lone_WolfIcon...18-12-2018 @ 12:01 
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billynomates said:Nuclear energy is even more mind boggling. There’s supposedly enough energy in a glass of water to power London for a year. Or something like that


But can I drink it?
slimsimIcon...18-12-2018 @ 12:36 
My asshole is not watertight.
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The_Lone_Wolf said:
But can I drink it?


Not if it's out of the Thames!
JackRevansIcon...18-12-2018 @ 15:19 
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Yeah I think it's weird that energy = mass
IainKendrickIcon...18-12-2018 @ 17:09 
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JackRevans said:Yeah I think it's weird that energy = mass


Gets weirder the more you look into it tbh
BoarIcon...18-12-2018 @ 17:11 
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dark energy
matthewvcIcon...18-12-2018 @ 17:33 
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‘downsizing’
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Wayne_Cowdrey said:I find it amazing that within a plate of food there is enough energy to move a human body around for hours.

The same applies to fuel for vehicles. Within some liquid is enough energy to move a heavy vehicle hundreds of miles.

Anyone else find this amazing?

Am I talking s**te?

Am I ruining Sugden?


yes there's a lot of energy bound up as potential energy in chemical bonds (ionic, covalent, van der waals etc)
that is released in an exothermic reaction.

the actual energy stored as mass is much bigger.
for instance when two light elements undergo fusion, like say 2 hydrogen protons in a star like the sun,
or a Lithium Deuteride + neutron reaction inside a thermonuclear weapon's fusion stage, a tiny of amount of mass is 'lost' as energy. I'm talking maybe 0.5-1%.. but the energy is enormous, as shown by Einstein's well known mass-energy equivalence equation e=mc^2.
The 'c^2' part is of the order of 10^16 so 1kg of mass is equivalent to 10^16 joules of energy.
this is around the same energy released from 10,000,000 Tons (10 Megatons) of TNT exploding...

A hypothetical anitmatter-matter annihilation of 1kg would release that much energy, although about 2/3 of that energy would be in the form of Neutrinos that don't interact especially with normal matter...
Wayne_CowdreyIcon...18-12-2018 @ 20:12 
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'very impressive' ............ 7 years ago.
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Post Edited: 05.08.2019 @ 00:17 AM by Wayne_Cowdrey
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