Physical II - A Level Flashcards
What is the definition of rate of reaction?
Rate of reaction is the change in concentration of substance in unit time.
What is the unit of rate?
mol dm-3 s-1
What is the equation of rate?
Rate of reaction = k[A]^m[B]^n
What does k represent?
The rate constant for the reaction.
What does it mean if the order of reactants is 0 order?
The rate is proportional to the concentration to power of 0. There is the no effect on the rate.
What is the effect on rate when the reactants are 0 order?
There is the no effect on the rate.
What does it mean when the order of reactants are 1?
Rate is proportional to concentration.
What does it mean when the order of reactants are 2?
Rate is proportional to concentration squared.
What is the Arrhenius equation?
k = Aexp^(−Ea/RT),
