(Redirected from Standard temperature and pressure)
STP stands for standard temperature and pressure. Properties of gases are given under these conditions. <ref>Zumdahl, S.S., Zumdahl, S. L., DeCoste, D. J. (2006). World of Chemistry. Houghton Mifflin Company.</ref>
- Standard temperature is equal to 0 °C, which is 273.15 K.
- Standard pressure is equal to 1 atm.