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Standard temperature and pressure

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"STP" redirects here. For the American grunge band, see Stone Temple Pilots.

STP (Standard Temperature and Pressure), are the conditions most often used in chemistry to study or test a chemical.

STP is 0 °C ( 273.15 Kelvin), 1.01x10^5pa or 100 kPa (1 bar or 0.986 atm), 760 mmHg of pressure.