The melting and boiling factors rely upon pressure. A very good approximation for the speed of alter of your melting temperature with pressure is provided with the Clausius–Clapeyron relation: Oxygen dihydride is another way of referring to water, but modern day use often restricts the term "hydride" to ionic compounds https://kevalaniru.com/the-ultimate-guide-to-sustainable-packaging-for-the-horeca-industry/