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IEVref:114-02-02ID:
Language:enStatus: Standard
Term: reaction rate
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Symbol: r
K
v
Definition: for a given chemical reaction αA + βB + … ↔ σS + τT + …, quantity given by

r= 1 α dc(A) dt = 1 β dc(B) dt = 1 σ dc(S) dt = 1 τ dc(T) dt MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmGadiWaaiWabaabaiaafaaake aacaWGYbGaeyypa0ZaaSaaaeaacaaIXaaabaGaeqySdegaamaalaaa baGaamizaiaadogacaGGOaGaamyqaiaacMcaaeaacaWGKbGaamiDaa aacqGH9aqpdaWcaaqaaiaaigdaaeaacqaHYoGyaaWaaSaaaeaacaWG KbGaam4yaiaacIcacaWGcbGaaiykaaqaaiaadsgacaWG0baaaiabg2 da9maalaaabaGaaGymaaqaaiabeo8aZbaadaWcaaqaaiaadsgacaWG JbGaaiikaiaadofacaGGPaaabaGaamizaiaadshaaaGaeyypa0ZaaS aaaeaacaaIXaaabaGaeqiXdqhaamaalaaabaGaamizaiaadogacaGG OaGaamivaiaacMcaaeaacaWGKbGaamiDaaaaaaa@603E@

where A, B, ... denote reactants, S, T, ... denote products, −α, −β, …, σ, τ, … are the corresponding stoichiometric numbers, and c(A), c(B), …, c(S), c(T), … are the amount-of-substance concentrations of A, B, ... S, T, ..., respectively

Note 1 to entry: The coherent SI unit of reaction rate is mole per cubic metre second, mol m−3 s−1.


Publication date:2014-03
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