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Results tagged with chemistry
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user 103
Questions regarding the application of chemistry in space exploration, for example the composition of rocket propellants.
4
votes
Why do we search for extra-terrestrial water?
The other two answers give one basic, primary reason: If we're looking for signs of life, water is assumed to be an essential building block and a good hint the place has any chance to host life.
The …
- 55.1k
4
votes
Could we get free O₂ on Mars?
The experiment in question, MOXIE, "Mars Oxygen ISRU Experiment" uses a process of solid oxide electrolysis, to produce oxygen from Martian atmospheric $CO_2$.
First, as reversal of the process of bu …
- 55.1k
12
votes
Is there a maximum Isp for "exothermic chemical reaction rockets"?
The theoretical limit is set by the specific energy of the reaction of combustion of the propellant.
Knowing specific energy $e$ of given substance, we can put a cap on obtainable specific impulse $I …
- 55.1k
4
votes
Accepted
What limits burning speed of solid propellant?
I've asked the same question on Chemistry.SE and got some more factors than mentioned in the answers here.
flexible binding agent (rubber), that prevents forming cracks under pressure, is essential …
- 55.1k