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Message: <blockquote data-quote="The Sigil" data-source="post: 1070097" data-attributes="member: 2013">Re: Re: Re: Science question for the brainy among usNot as hot as the CENTER of the sun, no... but considerably hotter than the sun's surface ( <a href="http://hypertextbook.com/facts/2001/AsserEstriplet.shtml" target="_blank">http://hypertextbook.com/facts/2001/AsserEstriplet.shtml</a> ) - most stars have a surface temperature in the tens of thousands of degrees.BUT... point well taken on the heat capacity.  And that's simple to calculate.  The heat capacity is the amount of heat required to change an object's temperature by one degree.We have one gallon of water at 150,000 K.  Fortunately, water is laughably simple to check the heat capacity of... 1 calorie per gram per degree K.  Since we're only working in orders of magnitude guesstimates here, 150,000 minus 300 K (room temp) might as well just be 150,000.  So we have:150,000 times 3785 grams (Mass in grams of a gallon of water) times 4.184 joules per calorie = 2,375,466,000 J.  We'll round that to 2.4 billion joules.1000 kg of TNT has a "punch" of 4 billion joules, so in rough guesstimates, this is the equivalent of the heat released by detonating 500 kg (or about half a ton for the imperial system of units) of TNT.I guess that's not enough to obliterate a planet - but it's sure not gonna be comfortable for anyone in the immediate vicinity.Though again, if you assume liquid water has a pressure 1,000 times that of an ideal gas (and I think that estimate is on the low side by several orders of magnitude), you get the same heat as a 500 ton bomb - not as much heat as in a nuclear blast, but as much heat as is on the order of the largest recorded non-nuclear explosions.And yes, at that sort of compression, there would be all sorts of weird quantum effects. <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f609.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=";)" title="Wink    ;)"  data-smilie="2"data-shortname=";)" />  I'm just throwing out some "order of magnitude" guesstimates.  All of the compression necessary to overcome Electromagnetic and Quantum forces, let alone the lack of viscosity in compressed water, would add even more energy to the "blast."--The Sigil</blockquote>

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