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3 votes
2 answers
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Question regarding enthalpy of sublimation vaporization and fusion

While learning Thermochemistry, I came across the formula $\Delta H_{sub} = \Delta H_{vap} + \Delta H_{fus}$ Now my question is how that when we want to change the phase of a substance from solid to ...
Sarban Bhattacharya's user avatar
0 votes
2 answers
2k views

Why does substance that sublime not come to liquid state? [duplicate]

A substance that sublimates doesn't come to a liquid state at room temperature. But when we melt the substance it melts! Why does it skip the liquid state at room temperature?
Arifa Akhtar's user avatar
0 votes
1 answer
1k views

How to create liquid carbon, and what kinds of properties does it have? [duplicate]

Carbon sublimes at about 3915K. In a high pressure environment, shouldn't it be possible to create liquid carbon at high temperatures? Has this ever been done? What does it look like and what ...
Andreas Hartmann's user avatar