150 degrees Celsius
the end of it
hydrogen
It depends on the temperature and pressure. So unless you get it VERY cold, it is a gas. * Boiling Point @ 1 atm: -423.0°F (-252.8°C, 20oK) * Freezing Point @ 1 atm: -434.5°F (-259.2°C, 14oK)
Yes, hydrogen is a gas at room temperature. It has a boiling point of -252.9 degrees Celsius, so it exists as a gas at typical room temperatures.
normally hydrogen is diatomic in gaseous form at sea level pressures on this planet. As all elements can be solid liquid or gas.... the triple point of Hydrogen is about 266 below zero
The boiling point of hydrogen is lower than that of fluorine. Hydrogen is a gas at room temperature and pressure, with a boiling point of -252.87°C, while fluorine is a gas at room temperature and pressure, with a boiling point of -188.12°C.
hydrogen is a gas consequently doesn't have a melting point. You can't melt oxygen can you. -------------------------------------------------------------------------------------------------------- Actually oxygen can freeze and melt: its melting point is -361.8°F (-218.8°C). Even hydrogen can freeze and melt: its melting point is -434.49 °F(−259.16°C) These are very cold temperatures!
At freezing point hydrogen is a liquid, equilibrated with its solid state of matter. Hydrogen: Melting point 14.01 K, -259.14 °C, -434.45 °F Boiling point 20.28 K, -252.87 °C, -423.17 °F
Only a liquid can boil. HCl boils at -84.9C
Yes, hydrogen can be made into a solid at very low temperatures. Solid hydrogen is formed when hydrogen gas is cooled below its melting point of 14 K (-259.15°C) and solidified into a crystalline structure.
Hydrogen sulfide is a gas at room temperature because it has a low boiling point of -60.3°C. This means that at room temperature (usually around 20-25°C), hydrogen sulfide remains in its gaseous state.
The question as posed has no meaning - nothing spontaneously expands. Hydrogen is, at room temperature, above its Joule-Thompson inversion point. It's hard to tell if that's what you were trying to ask or not.