Difference between STP and NTP

STP and NTP are both acronyms used in physics that refer to specific conditions.

STP stands for Standard Temperature and Pressure, which is defined as a temperature of 0 °C (273.15 K) and a pressure of 1 atm (101.325 kPa).

NTP, on the other hand, stands for Normal Temperature and Pressure, which is defined as a temperature of 20 °C (293.15 K) and a pressure of 1 atm (101.325 kPa).

Table given below shows the differences between STP and NTP,

                Features STP(Standard Temperature and Pressure) NTP(Normal Temperature and Pressure)
Temperature    The temperature in STP is 0 °C  The temperature in NTP is 20 °C.
Pressure The pressure in STP is 1 atm or 101.325 kPa The temperature in STP is also 1 atm or 101.325 kPa
Area Of Usage  STP is mostly used in chemistry and physics NTP is used in thermodynamics
Physical/Thermodynamic Process STP is used for the measurement of the physical properties of gases and liquids. NTP is the standard condition for thermodynamic measurements.
Application STP find its application in industrial processes. NTP find its application in air conditioning and refrigeration applications.
Usage STP is used to calculate densities and volumes of gases. NTP is used in thermodynamics to calculate thermodynamic properties like internal energy and enthalpy.

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Difference between STP and NTP

NTP and STP are two terms which are widely used in physics and chemistry to explain the various physical and chemical properties of liquids and gases. Let’s learn about these and their difference in detail.

Table of Content

  • What is STP?
  • Uses Of STP
    • Fluid Mechanics
    • Thermodynamics
    • Acoustics
    • Astrophysics
  • What is NTP?
  • Uses Of NTP 
    • Calibration Of Instruments
    • Comparison of Data
    • Prediction of Behavior
    • Thermodynamic Calculations
  • Difference between STP and NTP

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