--- title: "Phase diagram of water Template – Chemistry Diagram | MolDraw" url: https://www.moldraw.com/templates/genchem-phase-water/ description: "Phase diagram of water template: Schematic P–T phase diagram of water: ice, liquid, vapour, the negative solid–liquid slope, triple point 0.01 °C / 0.006…" lang: en publisher: Scidart Academy generated: 2026-10-28 --- [MolDraw](https://www.moldraw.com/) › [Templates](https://www.moldraw.com/templates/) › [General & inorganic](https://www.moldraw.com/templates/general-and-inorganic/) › Phase diagram of water [General & inorganic](https://www.moldraw.com/templates/general-and-inorganic/)Premium # Phase diagram of water template ![Phase diagram of water template: Schematic P–T phase diagram of water: ice, liquid, vapour, the negative solid–liquid slope, triple point 0.01 °C / 0.006 atm, critical point 374 °C / 218 atm, normal melting and boiling points.](https://www.moldraw.com/templates/genchem-phase-water.webp) [Edit in MolDraw](https://www.moldraw.com/)Download with Pro Premium template. Preview and edit it free in MolDraw; downloading and exporting it is part of [MolDraw Pro](https://www.moldraw.com/pricing). Schematic P–T phase diagram of water: ice, liquid, vapour, the negative solid–liquid slope, triple point 0.01 °C / 0.006 atm, critical point 374 °C / 218 atm, normal melting and boiling points. ## What the template shows - Which phase is stable at each temperature and pressure; lines are where two phases coexist - normal melting point - normal boiling point - Solid (ice) - Gas (vapour) - Triple point - Critical point - schematic, not to scale - Each line is a two-phase equilibrium; at the triple point solid, liquid and vapour coexist (0.01 °C, 0.006 atm = 611.657 Pa). - The solid–liquid line leans left (negative slope): ice is less dense than water, so pressure lowers the melting point (Clapeyron equation). - Above the critical point (374 °C, 218 atm) liquid and gas can no longer be told apart: a supercritical fluid. - At 1 atm water melts at 0 °C and boils at 100 °C; below 0.006 atm ice sublimes directly (freeze-drying). - Every part of this figure is editable · sources on the template card Drawn with 257 shapes – every one editable in MolDraw. ## Sources - [Atkins, de Paula & Keeler, Atkins' Physical Chemistry, 11th ed., OUP 2018, ch. 4](https://openlibrary.org/isbn/9780198769866) Textbook - [NIST Chemistry WebBook: water](https://webbook.nist.gov/cgi/cbook.cgi?ID=C7732185) Database ## How to use this template 1. Press **Edit in MolDraw**. The template opens on the canvas of the free MolDraw editor. 2. Change anything: move structures, edit atoms and labels, recolour highlights or delete what you do not need. 3. Add your own structures, arrows and text next to it, or combine several templates on one page. 4. Export the drawing as PNG, SVG or PDF for slides, worksheets, theses and papers. ## Frequently asked questions ### Is the Phase diagram of water template free? You can preview the Phase diagram of water template here and open and edit it in MolDraw for free. Downloading or exporting it is part of MolDraw Pro, together with the other premium templates. ### Can I edit the Phase diagram of water template? Yes. It opens as an ordinary MolDraw drawing, so every structure, arrow, label and colour can be changed, and you can add your own content around it. ### Is the chemistry checked? Every structure is checked with RDKit and every curly arrow passes MolDraw’s electron-flow audit. The sources used are listed on this page. ### Which MO diagrams are included? 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