Activity

 

 


 

Activity

 

Chemistry and physics definitions of scientific terms

 

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Activity

 

Chemistry and physics

 

Definition of activity

 

Activity - For a mixture of substances, the absolute activity X of substance B is defined as XB = expd^/RI), where is the chemical potential of substance B, R the gas constant, and T the thermodynamic temperature. The relative activity a is defined as aB = exp[(^B-^B°)/Rr], where designates the chemical potential in the standard state. [2]

 

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Definition of activity

 

Chemistry and physics definitions of scientific terms

 

 

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