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) and 1.01x10^5pa (100 kPa, 1 bar, 0.986 atm, 760 mmHg) of pressure.