Physics, asked by cbseajitgupta4374, 11 months ago

Write down the values of standard temperature and pressure (stp)

Answers

Answered by hetanshusonar
1
STP - Standard Temperature and Pressure
STP is commonly used to define standard conditions for temperature and pressure which is important for the measurements and documentation of chemical and physical processes:

STP - Standard Temperature and Pressure - is defined by IUPAC (International Union of Pure and Applied Chemistry) as air at 0 oC (273.15 K, 32 oF) and 105 pascals (1 bar).

STP - commonly used in the Imperial and USA system of units - as air at 60oF (520oR, 15.6oC) and 14.696 psia (1 atm, 1.01325 bara)
also named "1 Standard Atmosphere"
At these conditions, the volume of 1 mol of a gas is 23.6442 liters.
These conditions are the most commonly used to define the volume term Sm3 (Standard cubic meter)
Note! The earlier IUAPC definition of STP to 273.15 K and 1 atm (1.01325 105 Pa) is discontinued. However,

These conditions are still the most commonly used to define the volume term Nm3 (Normal cubic meter)
At these conditions, the volume of 1 mol of a gas is 22.4136 liters.

1 Pa = 10-6 N/mm2 = 10-5 bar = 0.1020 kp/m2 = 1.02x10-4 m H2O = 9.869x10-6 atm = 1.45x10-4 psi (lbf/in2)

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