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The page you are currently viewing is an archive page. Whilst you can leave answers for any questions shown below, please ask new questions at one of the pages linked to above. This will insure that your question is answered more quickly. | ||||||||
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Let's say you were locked up in a room with a door with a metal key hole, and simply a metal door knob. If your goal was to somehow liquify the metal, what chemical would be a good preferred choice?
Is there a handy-dandy chemical that can liquify the metal when poured on? When attacking metal, 2 things come to mind: dissolving, and burning (to melt it).
Knowing metals are weak against acidic substances, supposedly a chemical with an extremely low pH could dissolve the metal? Knowing human urine is somewhat on the acid side (I think), can that work well? Or is there a particular metal that will dissolve when touched by human urine?
And if you had a red emergency flare, the kind you keep in your car, or a fusee, could you light that up, to the already acidified metal door knob and hope that with a temperature of around 1,500 degrees Celsius you could melt the metal key hole?
Then, once the metal lock is dissolved/acidified/burned/melted, becoming like mercury at room temperature, voila! Just wondering if this particular scenario was a bit on the reality side. NealIRC 18 July 2006.
There was or is a method used in Britain to weld the end of two railway rails together. Some chemical (I forget which; might be magnesium mixed with something else) was packed into a box around the weld, set alight, and the steel rail welded.
The thermite process is still used to weld rails in situ. The basic ingredients are aluminium powder and iron(III) oxide. After a high-temperature start - sometimes by using magnesium - the process produces freshly-molten iron, and enough heat to weld the ends of the rails together.-- G N Frykman 22:06, 18 July 2006 (UTC)
Would it damage my car rims if I sprayed oven cleaner on them? The type that foams and you wash it off. They are not chrome, they are just regular rims. Thanks
Oven cleaner is usually potassium hydroxide I doubt that would damage any metal but I don't know what it would do to rubber. Theresa Knott | Taste the Korn 07:40, 18 July 2006 (UTC)
I remember listening to a segment on NPR a few months back about how a doctor was successfully using brain surgery to treat bedwetting in children. Apparently, it is a simple procedure, and is justified because of the psychological trauma bedwetting may cause for the child. However, I still couldn't believe it, so I had to look it up online. I couldn't find it on Google, so I just assumed it would take some time for it to appear more prominently online. However, it didn't turn up in a search today. Does anybody else know what I'm talking about, or at least has heard the program on NPR? JianLi 05:28, 18 July 2006 (UTC)
You were probably remembering a conversation about a neurosurgeon operating on the spine for persistent bedwetting. [ Here] is an ongoing trial. alteripse 10:46, 18 July 2006 (UTC)
I've noticed that my GE XL44 (stove/oven combo unit), guessing 120V, 60Hz, 9 Amps (1080 watts?), and pretty much all others have a fairly high power draw according to the specs sheets. I understand that they need to power the LED clock and timers, and spark to ignite the gas, but does that really require so much power from the electrical grid? Or am I not understanding how and when it uses electricity? Thanks. - MSTCrow 07:04, 18 July 2006 (UTC)
Please note the original question was why it needs much electricity at all and why it has a large power draw. - MSTCrow 08:30, 18 July 2006 (UTC)
Concerning the history of the BBC; GM also built a 396 2V in 1969 ONLY. The intake is a hard to find item. We've used them on oval track ebgines.—Preceding unsigned comment added by 142.165.252.10 ( talk • contribs)
Hello all. This is a homeowrk question, but all i need is some help with the second part- a methods, rather than a soloution, would be appreciated.
A sample of 0.013g of Sodium Fluoride.
a)How many moles of sodium fluoride does this represent (Done) b) How many fluoride ions does this represent?
Thanks.
Hmm I still dont know what do do :(. A little more information please?
Wow that's right! Ok thank you all for your help.
Can someone please tell me what the little orange beetles in Wiesbaden Germany are? I am baffled. They look like Lady Bugs, but slightly different. The only thing I can find on the net that even resembles them are Colorado Potatoe Beetles. They run around and mate in little bundles. Most common in morning and evening and are found on sidewalks, around park benches, and especially around flower beds under trees and shrubs. I've also seen them gang up on the side of a building in the shade. They just sit there and hardly move around at all unless disturbed. I'm very interested in know what they are, where can I find research material on them, and how are they classified (pest, contributer, protected, etc ...). Please Help me.
Would they happen to look anything like this? I've often seen them clustered around the bases of trees and shrubs in France and Germany, and they look somewhat like the larva of the Colorado Beetle. -- Yummifruitbat 18:45, 18 July 2006 (UTC)
Why is Congo Virus called the Congo Virus. I know the ebola virus is known after the ebola river, but why? Thanx.
-- -- Alleos 17:00, 18 July 2006 (UTC)Alleos.
Thanx a lot. I'm truly greatful for such a prompt reply :) -- Alleos 17:39, 18 July 2006 (UTC) Alleos
Hi guys, do you know a good program (preferably a free one) for burning DVD video from .avi files on my computer so that my DVD player can read it and so that I can get as much video as possible onto one disc (meaning slightly lower quality, obviously). I don't know much about burning DVDs (and the DVD article is way too technical for me), so I'd appreciate some help. Thanks :) - ulayiti (talk) 17:52, 18 July 2006 (UTC)
I know that trying to find a plant by its description must be nearly impossible; however, I am really trying to find the name of this plant. It has green oval leaves. It has red 'pods' that look like some type of seeds but they are not soft like berries. They are somewhat hard and look shriveled a bit. Under these, there are little green and yellow circular pods. The stem of the plant is very viney. It has a rigidness to it as well. The stem curves and there are multiple stems coming from the pot. It looks like it is droopy because the stem is somewhat viney. The leaves are smooth and oval until at the very end of the leaf it forms a tip. If anyone can help me out with this, I would be seriously impressed and grateful. Freebytes 20:18, 18 July 2006 (UTC)
Judging the most “flammable”
Hi there - just a quick question:
What is the most flammable substance?
This of course leads to another question, perhaps the real issue at hand: How does one judge flammability?
My gut feeling would be to say the one with the lowest flashpoint/autoignition temperature, which seems to be in agreement with the Wikipedia article on flammability (Sorry the link looks external, I was having trouble with the internal link feature)
However, what I want to ask is: is one substance more flammable then another? Some sources, including the Wikipedia article, also suggest that when a substance’s flashpoint is below a certain level, it is considerable flammable. This implies that flammability is a fixed property, i.e. something is either flammable or it is not (if its flashpoint is below a certain valve it is, if higher it is not), and we cannot compare flammability.
So what do you people think?
Thank you for your time, I’d be interested to hear your input!
I am reachable via email at (removed)
Many published articles report hormone concentrations and use units such as micrograms/ml, ng/ml and pg/ml (example: Estrone sulfate and dehydroepiandrosterone sulfate concentrations in normal subjects and men with cirrhosis). I have been told that these are not the best SI units to use. What units would be better? Would something like nmol/L be "better"? If so, why? -- JWSchmidt 22:01, 18 July 2006 (UTC)
i need to produce a complete set of working drawing for a semi-detached building and i need a format to follow. thank you. Imaobong
My hyacinth macaw is going through his moult at the moment and he seems really cranky and irritable. When he loses one of his long tail or wing feathers, he shakes the appendage as though it was really sore afterwards - those feathers have really deep roots. He's also got his 'spikes' coming through. Having those push up through your skin doesn't look like much fun. He hates to be stroked when he's like this and is generally somber and moody. I can tell he's really itchy (he can't stop scratting, preening and rubbing himself) - but does anyone know if he'll actually be in physical pain? Poor little (well, big and blue really) guy.
| ||||||||
The page you are currently viewing is an archive page. Whilst you can leave answers for any questions shown below, please ask new questions at one of the pages linked to above. This will insure that your question is answered more quickly. | ||||||||
|
Let's say you were locked up in a room with a door with a metal key hole, and simply a metal door knob. If your goal was to somehow liquify the metal, what chemical would be a good preferred choice?
Is there a handy-dandy chemical that can liquify the metal when poured on? When attacking metal, 2 things come to mind: dissolving, and burning (to melt it).
Knowing metals are weak against acidic substances, supposedly a chemical with an extremely low pH could dissolve the metal? Knowing human urine is somewhat on the acid side (I think), can that work well? Or is there a particular metal that will dissolve when touched by human urine?
And if you had a red emergency flare, the kind you keep in your car, or a fusee, could you light that up, to the already acidified metal door knob and hope that with a temperature of around 1,500 degrees Celsius you could melt the metal key hole?
Then, once the metal lock is dissolved/acidified/burned/melted, becoming like mercury at room temperature, voila! Just wondering if this particular scenario was a bit on the reality side. NealIRC 18 July 2006.
There was or is a method used in Britain to weld the end of two railway rails together. Some chemical (I forget which; might be magnesium mixed with something else) was packed into a box around the weld, set alight, and the steel rail welded.
The thermite process is still used to weld rails in situ. The basic ingredients are aluminium powder and iron(III) oxide. After a high-temperature start - sometimes by using magnesium - the process produces freshly-molten iron, and enough heat to weld the ends of the rails together.-- G N Frykman 22:06, 18 July 2006 (UTC)
Would it damage my car rims if I sprayed oven cleaner on them? The type that foams and you wash it off. They are not chrome, they are just regular rims. Thanks
Oven cleaner is usually potassium hydroxide I doubt that would damage any metal but I don't know what it would do to rubber. Theresa Knott | Taste the Korn 07:40, 18 July 2006 (UTC)
I remember listening to a segment on NPR a few months back about how a doctor was successfully using brain surgery to treat bedwetting in children. Apparently, it is a simple procedure, and is justified because of the psychological trauma bedwetting may cause for the child. However, I still couldn't believe it, so I had to look it up online. I couldn't find it on Google, so I just assumed it would take some time for it to appear more prominently online. However, it didn't turn up in a search today. Does anybody else know what I'm talking about, or at least has heard the program on NPR? JianLi 05:28, 18 July 2006 (UTC)
You were probably remembering a conversation about a neurosurgeon operating on the spine for persistent bedwetting. [ Here] is an ongoing trial. alteripse 10:46, 18 July 2006 (UTC)
I've noticed that my GE XL44 (stove/oven combo unit), guessing 120V, 60Hz, 9 Amps (1080 watts?), and pretty much all others have a fairly high power draw according to the specs sheets. I understand that they need to power the LED clock and timers, and spark to ignite the gas, but does that really require so much power from the electrical grid? Or am I not understanding how and when it uses electricity? Thanks. - MSTCrow 07:04, 18 July 2006 (UTC)
Please note the original question was why it needs much electricity at all and why it has a large power draw. - MSTCrow 08:30, 18 July 2006 (UTC)
Concerning the history of the BBC; GM also built a 396 2V in 1969 ONLY. The intake is a hard to find item. We've used them on oval track ebgines.—Preceding unsigned comment added by 142.165.252.10 ( talk • contribs)
Hello all. This is a homeowrk question, but all i need is some help with the second part- a methods, rather than a soloution, would be appreciated.
A sample of 0.013g of Sodium Fluoride.
a)How many moles of sodium fluoride does this represent (Done) b) How many fluoride ions does this represent?
Thanks.
Hmm I still dont know what do do :(. A little more information please?
Wow that's right! Ok thank you all for your help.
Can someone please tell me what the little orange beetles in Wiesbaden Germany are? I am baffled. They look like Lady Bugs, but slightly different. The only thing I can find on the net that even resembles them are Colorado Potatoe Beetles. They run around and mate in little bundles. Most common in morning and evening and are found on sidewalks, around park benches, and especially around flower beds under trees and shrubs. I've also seen them gang up on the side of a building in the shade. They just sit there and hardly move around at all unless disturbed. I'm very interested in know what they are, where can I find research material on them, and how are they classified (pest, contributer, protected, etc ...). Please Help me.
Would they happen to look anything like this? I've often seen them clustered around the bases of trees and shrubs in France and Germany, and they look somewhat like the larva of the Colorado Beetle. -- Yummifruitbat 18:45, 18 July 2006 (UTC)
Why is Congo Virus called the Congo Virus. I know the ebola virus is known after the ebola river, but why? Thanx.
-- -- Alleos 17:00, 18 July 2006 (UTC)Alleos.
Thanx a lot. I'm truly greatful for such a prompt reply :) -- Alleos 17:39, 18 July 2006 (UTC) Alleos
Hi guys, do you know a good program (preferably a free one) for burning DVD video from .avi files on my computer so that my DVD player can read it and so that I can get as much video as possible onto one disc (meaning slightly lower quality, obviously). I don't know much about burning DVDs (and the DVD article is way too technical for me), so I'd appreciate some help. Thanks :) - ulayiti (talk) 17:52, 18 July 2006 (UTC)
I know that trying to find a plant by its description must be nearly impossible; however, I am really trying to find the name of this plant. It has green oval leaves. It has red 'pods' that look like some type of seeds but they are not soft like berries. They are somewhat hard and look shriveled a bit. Under these, there are little green and yellow circular pods. The stem of the plant is very viney. It has a rigidness to it as well. The stem curves and there are multiple stems coming from the pot. It looks like it is droopy because the stem is somewhat viney. The leaves are smooth and oval until at the very end of the leaf it forms a tip. If anyone can help me out with this, I would be seriously impressed and grateful. Freebytes 20:18, 18 July 2006 (UTC)
Judging the most “flammable”
Hi there - just a quick question:
What is the most flammable substance?
This of course leads to another question, perhaps the real issue at hand: How does one judge flammability?
My gut feeling would be to say the one with the lowest flashpoint/autoignition temperature, which seems to be in agreement with the Wikipedia article on flammability (Sorry the link looks external, I was having trouble with the internal link feature)
However, what I want to ask is: is one substance more flammable then another? Some sources, including the Wikipedia article, also suggest that when a substance’s flashpoint is below a certain level, it is considerable flammable. This implies that flammability is a fixed property, i.e. something is either flammable or it is not (if its flashpoint is below a certain valve it is, if higher it is not), and we cannot compare flammability.
So what do you people think?
Thank you for your time, I’d be interested to hear your input!
I am reachable via email at (removed)
Many published articles report hormone concentrations and use units such as micrograms/ml, ng/ml and pg/ml (example: Estrone sulfate and dehydroepiandrosterone sulfate concentrations in normal subjects and men with cirrhosis). I have been told that these are not the best SI units to use. What units would be better? Would something like nmol/L be "better"? If so, why? -- JWSchmidt 22:01, 18 July 2006 (UTC)
i need to produce a complete set of working drawing for a semi-detached building and i need a format to follow. thank you. Imaobong
My hyacinth macaw is going through his moult at the moment and he seems really cranky and irritable. When he loses one of his long tail or wing feathers, he shakes the appendage as though it was really sore afterwards - those feathers have really deep roots. He's also got his 'spikes' coming through. Having those push up through your skin doesn't look like much fun. He hates to be stroked when he's like this and is generally somber and moody. I can tell he's really itchy (he can't stop scratting, preening and rubbing himself) - but does anyone know if he'll actually be in physical pain? Poor little (well, big and blue really) guy.