Questions tagged [chemistry]

For questions that have to do with chemistry, chemical reactions be they biological or artificial, or the industrial processes of chemistry.

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8
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1answer
83 views

Greenhouse Effect Strength- Ammonia World

I've been working on designing how an ammonia-ocean world might work and I've settled basically everything except one. I cannot for the life of me find any sources that actually provide a decent way ...
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4answers
115 views

How would someone actively search for titanium ores or other minerals?

I'm working on a story where the main character has to search for titanium (or rather ores containing titanium) in order to repair the hull of a ship. She's on a habitable world that's essentially a ...
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5answers
265 views

What binary poisons could work when ingested?

What are two non lethal substances that will combine to create a strong poison when ingested close together? Hopefully my character would be able to drink one of the substances mixed in to a wine or ...
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1answer
103 views

What would happen if someone could remotely manipulate atoms?

Those of you who are familiar with the DC Comics hero Firestorm know that he can alter the chemical structure of any form of inorganic matter, provided he knows the chemical equation. In my story, I ...
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2answers
110 views

What would happen to a block of warm ice (made out of pure pressure) once the pressure is gone? [closed]

Imaginary situation where you could exert 10GPA worth of pressure on a floating cubic meter chunk of water. According to this graph, it'd turn into ice even if it's still around the room's temperature(...
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4answers
2k views

What metal would burn steadily in a water lamp?

I have alchemists who can transmute materials at a small magic cost. I have a scene where some alchemists need to improvise a light. They have a bottle of water and some coins. What would be a good ...
3
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3answers
81 views

What aquatic life would utterly deplete the soil of a specific nutrient?

In my story an area was formerly beneath an ocean or lake. Some form of life leeched the soil of a specific mineral or substance. Technology level is that of ~1700 Spain. Now that the water has ...
4
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2answers
125 views

How could an iceberg be created quickly?

For my middle-grade science-fiction novel, I need to come up with an invention or chemical that could rapidly create icebergs to refreeze the Arctic and slow climate change. Kurt Vonnegut's Ice-9 is ...
10
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3answers
760 views

Alternatives to amino acids

Amino acids, the building blocks of proteins and, therefore, one of the key components of life as we know it. There are many amino acids in nature, but they all stem from the same basic structure. ...
3
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3answers
103 views

Would these processes be probable on this planet?

Background This planet, located somewhere in the Andromeda galaxy, orbits a M5V star about 0.682764 AU away from its star. The planet is volcanically active due to the gravitational field of the ...
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4answers
5k views

Dragons can spray up to 5 liters of concentrated sulfuric acid. How screwed is a dragon slayer if it gets on them?

The answer, of course, is very screwed; however, I want to elaborate on that more. Background Despite what common propaganda (D&D, Tolkien, etc...) might have taught you, dragons rarely ever use ...
6
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4answers
315 views

How can my Mage Light spell work?

While I'm working on the Magical Artillery, let's look at another common spell. Mage Light is a very handy invention. When cast, the spell creates an orb, 13 cm in diameter. The orb radiates white ...
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2answers
267 views

How does Wildfire work?

Don't you just hate when Euron injures your pet dragons and perforates your fleet with a ballista? Don't worry, all you need is a shipful of Wildfire and a very long fuse (or Mehdi Sadaghdar with ...
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4answers
205 views

How endothermic is splitting oxygen into hydrogen atoms?

I’ve been looking into the chemistry of a pyromancer character for some time and I’ve come to a bit of a snag. The character has control over the electroweak force and uses it to induce a directed, ...
3
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4answers
144 views

What substances found in a medieval town could be used for chemical warfare? [closed]

There is a small medieval town under siege by a much larger force. The town militia stands no chance at repelling the invading army, but the besiegers are in no rush to conquer the place. Instead of ...
3
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1answer
75 views

Atmospheric isopropyl alcohol

Could a measurable amount of isopropyl alcohol occur naturally in an otherwise reasonably earth-like atmosphere? And if so, what is the highest possible concentration that a human could survive long-...
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3answers
160 views

What would a darkness effect capable of blocking all electromagnetic radiation probably do?

(As of 2020, February, the 19th, 12:23, I have decided to use a different method than the one originally proposed. The method itself answers the question) Imagine a spell an effect of utterdarkness. ...
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1answer
173 views

The chemical and nuclear science behind pyromancy

For quiet sometime now I’ve been stuck on one of the finer details of my world building. Namely that one of my characters is this world’s version of a pyromancer that, through the use of both the ...
4
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2answers
135 views

Dinitrogen monoxide as a gaseous oxidizer for life

Could alien life use nitrous oxide, N2O, as its oxidizing gas, like oxygen on earth? What biochemical reactions would be needed to produce and utilise this gas? I've also heard conflicting messages, ...
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3answers
243 views

How long or how hard is it to develop a medieval fantasy into a modern or even sci-fi civilization.?

Our universe dies due to entropy, so what do humans do best??? COLONIZE! A near sentient AI found a way to cross realities and because our universe was dead, everyone took the chance. They (about ...
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2answers
97 views

Carbon Monoxide Rich Atmosphere

I want to make an atmosphere rich in carbon monoxide, but as it doesn't stick around for very long, it will need to be replenished. I'm looking for concentrations comparable to those of carbon dioxide ...
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0answers
32 views

What would a planet with a notably high sulfur content but otherwise Earthlike composition be like? [closed]

I'm currently working on making a planet with mostly Earthlike chemistry, but I want to throw something into the mix to make it distinctly different from Earth and most likely uninhabitable to ...
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1answer
118 views

If a human body were to break down into simple gasses of its component elements as a means of shapeshifting how much solid matter would be left? [closed]

The setting I am working with has several individuals with shapeshifting powers. To deal with the inevitable “shapeshifters seem to violate conservation of mass while shapeshifting” issue, the rules ...
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1answer
206 views

Options to keep someone awake against their will? [closed]

I already asked this on Medicine SE and Chemistry SE, but both said this question is dangerous and they can't answer it, and on Chemistry I got a suggestion to ask this here again. It is for a RPG ...
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3answers
145 views

What is a realistic outcome of what will happen to the body if all the flammable materials in the gut spontaneously ignite?

I am writing a story where a person suffers from a medical condition where the gut produces too much of a liquid called diphosphane. Diphosphane is pyrophoric past a certain small concentration, and ...
2
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3answers
623 views

Would people still be able to create firearms, machines and rockets as compact as modern-day firearms in a high-oxygen environment?

So me and my buddy are currently working on a story that takes place on a different earth-like planet similar to when dinosaurs like Brachiosaurus inhabit the landscape. A few differences is that the '...
4
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1answer
98 views

How would a creature like this work?

This lifeform is a carbon based humanoid that uses ammonia instead of water, breathes chlorine gas, and its body uses the mineral olivine to toughen its skin. Its blood is blue; apparently an ammonia-...
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2answers
128 views

Could life generate twice on a planet using slightly different materials?

Extremely low possibility, but if life synthesizes from scratch after life has existed on a planet for a few million years, would the two separate lineages be able to co-exist?
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3answers
213 views

How can an environmentally conscious dragon avoid uneccesary damage when using his acidic breath?

So, I decided to up the ante with dragons and make them much more destructive by giving the aqua regia as the breath weapon. The problem is that the dragon in this story is a sweet and cheeky kid, ...
3
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3answers
301 views

Preindustrial Poison Gas?

Chemical weapons in the form of poisoned arrows have existed since the Stone Age, but gaseous chemical weapons weren’t utilized until WWI. The hideous scourges of Phosgene and Mustard gas required a ...
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1answer
68 views

How would chemosynthesis using ammonia(NH3) work?

On a terrestrial planet with a high amount of ammonia vapor in the atmosphere, would any organism have a strong enough incentive to develop some form of autotrophic chemosynthesis that derives energy ...
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6answers
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The students have blown up the school using stuff that looks like snow. How?

In Hungarian, there is a new-ish folk-song sung by school-children who dislike school whenever it snows to the tune of Twinkle, twinkle, little star: Hull a pelyhes dinamit, Robbantsuk fel a ...
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2answers
4k views

A character steps outside in the upper atmosphere of Venus- how sunburned is he?

For complicated reasons our hero's blimp in the Venus atmosphere at an altitude of 50 km gets a tear in it and sunlight floods inside (there is no gondola, the blimp is a semi-ellipsoid of breathable ...
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7answers
1k views

Good explanation for why aliens can't build nuclear engines?

"Aliens used uranium and plutonium to generate energy for thousands of years. However, by the time they got into space exploration, they've used up every last bit of it. That's why they'll have to try ...
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4answers
4k views

Could I build a nuclear reactor based on Bernoulli's principle?

So I was recently inspired by the answers that I saw on this stack exchange to the following question: Feasibility of H.G. Wells' Continuously-Exploding Atomic Bombs And it occurred to me that ...
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5answers
276 views

What improvements in the human body will allow it to withstand critically low or high pressure?

My question: What is it that needs to be improved or added to the human body so that it can withstand critically (fatally) low and high (if, my genetically modified person is underwater or a very ...
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13answers
3k views

Substance that changes quickly from liquid/gelatinous to solid?

Question: does a liquid or gelatinous substance exist that once outside a body could solidify and be hard enough to be used once as a tool? The setting is low fantasy without magic, yet with ...
4
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4answers
257 views

The Properties of Flaming Fire Magic

Magical fire is often depicted as flames. To get fire and flames the right mixture of oxygen, fuel and heat is needed. Assuming that the magic only provides the heat, there are only two chemical ...
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0answers
27 views

Alternative Ozone Layer [duplicate]

The reason for the high level of Oxygen in the atmosphere today is due to the billions of years worth of photosynthetic prokaryotes releasing it as a waste product. Of course, in the higher levels of ...
2
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3answers
1k views

How far can technology on a planet made of just hydrogen, carbon, and oxygen be developed? [closed]

The planet only has three elements to work with: hydrogen, carbon, and oxygen. Organic life forms also exist on the planet. They have no access to other elements. Given (based on) our organic ...
9
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4answers
351 views

Alcohol-based organisms?

Would it be possible to have an organism to be based on alcohol, rather than water? Complexity does not matter, but a complex organism would be favourable. their environment would be in oceans of ...
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3answers
3k views

Eating Titan's oceans

Imagine a Mark Wattney-like scenario, only on Titan and involving a decent-sized base being isolated instead of a single person. There is not, and never has been, the possibility of growing potatoes. ...
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2answers
214 views

How to make a microbe that can eat metal and breathe hydrogen?

I made an organism called the Skarlix for a art/xenobiology project called Sagan 4. The Skarlix is a eukaryotic, somewhat amoeba-like organism that "eats" various metal compounds and "breathes" (...
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15answers
6k views

Is there a material or method to allow “swimmable” coins?

I want to know whether there is a way to make coins that are "swimmable" in the fashion of Scrooge McDuck. My inquiry is based off this Family Guy meme from Pinterest The coins don't necessarily ...
3
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4answers
109 views

How to transform a cells energy source into explosives

I'm basically searching for an ATP that can be used to supply cells and also have its energy extracted efficiently into a basic form of explosive material (the stronger the better) without a lot of ...
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2answers
200 views

is there a way to make water armor and condense the water?

i want to make an armor made of liquid, for example like dew accumulate and attached to the person or just dip into water and the water attached/carried on (just example), but it also condense the ...
3
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1answer
180 views

How can I achieve the results of Pompeii with divine energy?

Gods occasionally visit the mortal realm for particular reasons, such as certain festivals or to do battle against demonic forces in an invasion. In the case of the latter, a god has to be careful ...
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0answers
160 views

What would seas of non-water liquids be like? [closed]

First off, is a sea of a non-water liquid even plausibly likely to occur on a given exoplanet? Secondly, what non-water liquids would be most likely to form into large bodies? How would those liquids ...
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2answers
193 views

Recreating dragon fire

In Anne McCaffrey’s series 'The Dragonriders of Pern', she describes her dragons chewing on rocks containing phosphine — a chemical made of one phosphorus atom and three hydrogen atoms. In gas form, ...
3
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1answer
81 views

Can I improve internal combustion engine efficiency by slightly changing vacuum permittivity?

Energy released in an exothermic reaction depends on bond energies of reactants and products. Since molecular bonds are electric in nature, at the first glance, increasing Coulomb's force should ...

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