Topic Details (Notes format)

Triple Point

Subject: Chemistry

Book: General Chemistry

The triple point on a phase diagram is the specific temperature and pressure at which a substance simultaneously exists in solid, liquid, and gaseous states in equilibrium. For water, this is ~0.01 °C and 0.006 atm. The triple point is unique for each substance and is important for precise temperature calibration and understanding phase transitions.

Practice Questions

What is the chemical formula for calcium carbonate?

What is the chemical formula for propanol?

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Which element is the lightest in the periodic table?

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