First order reaction does not depend on which factor
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Independent of the unit in which concentration is expressed.
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are considering homogenous first order irreversible reaction
Half life is given by : ln2/k
K is the rate constant. Which depends upon temperature, ionic strength, suface area of reactant, light irradiation,presence of catalyst .
The k term is included in the rate law to denote the temperature dependency of the rate of reaction.
K = k. e^-E/RT
E denotes the activation energy
R denotes the gas constant
K. Is the frequency factor( total collision between reacting molecule per second)
T is the temperature
So K ( rate constant )depends on temperature and not on concentration.And hence the half life for first order homogeneous irreversible reaction does not depend upon the concentration
Half life is given by : ln2/k
K is the rate constant. Which depends upon temperature, ionic strength, suface area of reactant, light irradiation,presence of catalyst .
The k term is included in the rate law to denote the temperature dependency of the rate of reaction.
K = k. e^-E/RT
E denotes the activation energy
R denotes the gas constant
K. Is the frequency factor( total collision between reacting molecule per second)
T is the temperature
So K ( rate constant )depends on temperature and not on concentration.And hence the half life for first order homogeneous irreversible reaction does not depend upon the concentration
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