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Why are nitric acid and hydrogen combinations not used as rocket fuel?

The "why not this combination" answer: in Ignition! it's mentioned that the main drive for using RFNA as a propellant is that it's an oxidizer that's liquid at outdoor temperatures (say, -40 ...
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Why are nitric acid and hydrogen combinations not used as rocket fuel?

"Kilojoules per mole" is not the most important measure of a rocket fuel's effectiveness. The most important is effective exhaust velocity, often expressed as "specific impulse". ...
Mark's user avatar
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