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Standard State Conditions

• Standard state conditions are accepted arbitrary conditions at which to take and state measurements.
  
  
• Standard state conditions are defined by Standard Temperature & Pressure (STP) with a temperature of 0 ^oC or 273.15 Kelvin (K) and a pressure of 1 atmosphere (1 atm = 101 325 Pa), temperature.
  
  
• At STP (Standard Temperature & Pressure) 1 mol of ideal gas occupies 22.4 L.
  
  
• Standard State Conditions are often denoted by the degree symbol as in the electric potential (E) at STD by E^o.
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  

• Pascal is a SI derived unit of pressure defined as as the force of one newton (N) applied over an area of 1 metre (m) (ie Nm^-1)