Are you working on a hydrogen generator?
Hydrogen is a gas at 20 degrees, Fahrenheit and Celsius, but it you are talking Kelvin, then it is a liquid.
Surface oxydation with the oxygen from the air.
The question must be clarified -- made more specific.
Hydrogen is a gas at 25 degrees Celsius.
Increases.
Hydrogen becomes a solid at -434.5 degrees Fahrenheit
Hydrogen is a gas at 20 degrees, Fahrenheit and Celsius, but it you are talking Kelvin, then it is a liquid.
i think it burns not sure
Hydrogen and Oxygen are gases at 20OC.
At room temp it is a gas.
water will become colder
20 degrees "nose up" or greater puts the aircraft in a stall more where lift is critically reduced
Nothing, a passivation occur.
Surface oxydation with the oxygen from the air.
The question must be clarified -- made more specific.
Hydrogen is a gas at 25 degrees Celsius.
Hydrogen does not react with water