What really vigorous endothermic chemical reactions are there?
- Thread starter Mark R
- Start date
Anubis
No Lifer
The mixing of barium hydroxide and ammonium thiocyanate
http://en.wikipedia.org/wiki/Endothermic_reaction
http://en.wikipedia.org/wiki/Endothermic_reaction
Ammonium nitrate and kerosene or diesel is also useful for getting rid of gofers, ground hogs, pesky sheds, or just generally digging up your garden or back yard. Handy stuff to have around.
R
Yep, I was trying to make a joke. Ammonium nitrate and desiel or kerosene is used in military operations or even for blasting in some instances. Ammonium nitrate is a great oxidizer and the kerosene/desiel provides a great, energy dense fuel. Combine the two and ignite (with a small explosion) and you get a really big bang.
R
reverse nuclear explosion. it goes to 4x10^65 Kelvins instantaneously for 1/2x10^84th of a second
Originally posted by: FoBoT
:laugh:
those chemistry jokes! so funny!
a bear from Yosemite and a bear in Alaksa both fall into a lake at the same time.
which one dissolves first?
A: The one from Alaska, b/c it's polar.
Brainonska511
Lifer
- Dec 10, 2005
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The only reactions that will be vigorous and endothermic are those that increase entropy. Otherwise, most endothermic reactions are considered "slow"
The largest endothermic chemical reactions on earth may occur in comet impacts where H2O ice reacts with various carbon bearing ices such as CO, CO2, ethane and methane to create longer hydrocarbon chains. I suggest that "abiotic oil" from comet impacts is the origin of the planet's petroleum reserves. In the West we consider petroleum to be a "fossil fuel," but the Russians have long regarded oil to result from abiotic origins.
The endothermic chemical reactions in comet impacts may also have the effect of clamping the impact shock-wave pressure below the melting point of rock with the effect of preserving the differentiated comet core that resulted from the heating of short-lived isotopes of the early solar system. And the lack of pseudotachylite melt rock in comet impacts may mask comet impact craters from recognition by geologists.
A similar endothermic chemical reaction may occur in the atmospheric testing of nuclear weapons leading to the well known "double flash" phenomenon. The secondary flash is likely the result of the burning of the endothermic chemicals created in the primary shock wave, perhaps primarily: xO2 + N2 <> 2NOx
A secondary burn from a pair of comet impacts on the Hudson Bay and upper Lake Michigan from the Younger Dryas impact event (12,900 ya) may have tossed large chunks of the Laurentide ice sheet along the Atlantic Coast, creating the Carolina Bays.
The endothermic chemical reactions in comet impacts may also have the effect of clamping the impact shock-wave pressure below the melting point of rock with the effect of preserving the differentiated comet core that resulted from the heating of short-lived isotopes of the early solar system. And the lack of pseudotachylite melt rock in comet impacts may mask comet impact craters from recognition by geologists.
A similar endothermic chemical reaction may occur in the atmospheric testing of nuclear weapons leading to the well known "double flash" phenomenon. The secondary flash is likely the result of the burning of the endothermic chemicals created in the primary shock wave, perhaps primarily: xO2 + N2 <> 2NOx
A secondary burn from a pair of comet impacts on the Hudson Bay and upper Lake Michigan from the Younger Dryas impact event (12,900 ya) may have tossed large chunks of the Laurentide ice sheet along the Atlantic Coast, creating the Carolina Bays.
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