Posted on 03/19/2014 4:28:24 PM PDT by dynachrome
“E=mc^2 does not apply.”
WOW!
At least according to Einstein. He formulated the equation E=MC2!
“Hey look! He played the engineer card!”
Nuclear Engineer Card. I can throw in an SRO also.
It is so basic. It is E=MC2
Is is NOT E=MC2 except for chemical reactions!
Chemical reactions do not convert mass to energy, they use energy to form chemical bonds between atoms and molecules, and release energy by breaking/re-arranging those bonds. There isn't any loss or gain of mass - all of the original atoms are still there.
When you have a nuclear fission or fusion, then you create different atoms than what you started with.
E=MC^2 defines the scale-factor to be used when converting matter to energy and vice-versa.
It does not describe the energy released when making and breaking chemical bonds between atoms composing molecules.
If you were really a retired physicist you’d know that.
You are still living in the 18th century.
“The great achievement of 20th century quantum physics has been to describe chemical reactions in terms of E = mc2.”
http://www.energytribune.com/2771/understanding-e-mc2#sthash.Pp9wZbDM.dpbs
“Chemical reactions do not convert mass to energy”
Then you are saying that Einstein’s E=MC^2 is invalid. WOW!
“E=MC^2 defines the scale-factor to be used when converting matter to energy and vice-versa.”
Yes. And when you burn something there is a mass change (E=MC^2) to account for the energy.
There is no change of mass. All of the atoms of whatever it was you burned are still there. They're just bound to Oxygen atoms now.
You don't get it do you. It is SO SIMPLE. E=MC2
Did Einstein say E=MC2 except for chemical reactions? NO. He said it applied to all energies.
It is a universal law.
“The great achievement of 20th century quantum physics has been to describe chemical reactions in terms of E = mc2.”
http://www.energytribune.com/2771/understanding-e-mc2#sthash.Pp9wZbDM.dpbs
You must have been in on the early designs. The wood burning reactors. Its a shame we went away from those. They were a bit less likely to have problems.
What’s the Neutron Lifecycle for a wood burning reactor? Is it a positive or negative temperature coefficient?
Do me a favor. Cut out the baby-talk and read this.
http://www.abc.net.au/science/articles/2010/09/15/3011641.htm
One of us doesn't.
It is SO SIMPLE. E=MC2
"For every complex problem there is an answer that is clear, simple, and wrong."
- H. L. Mencken
OK, Mr. Wizard.
Let’s say I burn 1 kg of wood.
E=MC^2
M=1 kg, C=3x10^8 meters/second
E=9x10^16 joules.
That’s basically 9 kilowatts for a little over 300,000 years.
Let’s assume 1% efficiency.
Now let’s see you build a wood-fired generator that produces 9kw and runs for 3000 years and only consumes 1 kg of wood.
After all, E=Mc^2, right?
“Binding energies: nuclei vs. molecules
Not at all. Different process, same calculation: For chemical reactions, there are tiny mass differences as well. To pick an example: When hydrogen and oxygen explosively combine to make water, the sum of the rest masses of the initial hydrogen and oxygen atoms is just a little bit less than the sum of the rest masses of the resulting water molecules. The same is true for the chemical reactions involving spontaneous oxydation - in other words: burning. The same formula applies: The mass difference, multiplied by c2, gives the energy set free during the chemical reaction. “
http://www.einstein-online.info/spotlights/atombombe
“Binding energies: nuclei vs. molecules
Different process, same calculation: For chemical reactions, there are tiny mass differences as well. To pick an example: When hydrogen and oxygen explosively combine to make water, the sum of the rest masses of the initial hydrogen and oxygen atoms is just a little bit less than the sum of the rest masses of the resulting water molecules. The same is true for the chemical reactions involving spontaneous oxydation - in other words: burning. The same formula applies: The mass difference, multiplied by c2, gives the energy set free during the chemical reaction. “
http://www.einstein-online.info/spotlights/atombombe
“Binding energies: nuclei vs. molecules
Different process, same calculation: For chemical reactions, there are tiny mass differences as well. To pick an example: When hydrogen and oxygen explosively combine to make water, the sum of the rest masses of the initial hydrogen and oxygen atoms is just a little bit less than the sum of the rest masses of the resulting water molecules. The same is true for the chemical reactions involving spontaneous oxydation - in other words: burning. The same formula applies: The mass difference, multiplied by c2, gives the energy set free during the chemical reaction. “
http://www.einstein-online.info/spotlights/atombombe
So now you’re reduced to copy/paste responses?
When you heat something, does it get heavier (you added energy)?.
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