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rate constant

   Also found in: Wikipedia 0.02 sec.
rate constant [′rāt ‚kän·stənt]
(physical chemistry)
Numerical constant in a rate-of-reaction equation; for example,rA=kCaACbBCcC, whereCA,CB, andCCare reactant concentrations,kis the rate constant (specific reaction rate constant), anda, b,andcare empirical constants.


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where, k = velocity constant or specific reaction rate constant and [DELTA]H = heat of reaction (vulcanization) or cure enthalpy.
Regression fit of the data to the model yielded estimates of the absorption rate constant ([k.
The European Central Bank has held its policy rate constant since June 2003, and both the Bank of England and the Bank of Canada have kept policy rates unchanged after having raised them in the latter half of 2004.
 
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