orders, rate equations, and rate constants
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14 Terms
what is the rate of reaction?
change in concentrations of a reactant or a product per unit timed
does each reactant affect the rate of reaction equally?
no each reactant affects the rate of reaction differently, some don’t affect at all
what is the order of a reactant?
power to which the concentration of the reactant is raised by in the rate equation
what are the 3 possible for the order of reactant?
0
1
2
what does it mean if a reactant has a 0 order?
changing the concentration of the reactants have no affect on the rate of reaction
rate equation: rate a [A]0
![<ul><li><p>changing the concentration of the reactants have no affect on the rate of reaction</p></li><li><p>rate equation: rate a [A]<sup>0</sup></p></li></ul><p></p>](https://assets.knowt.com/user-attachments/fb491b5c-c042-45d6-9309-2c8e570919ec.png)
what does it mean if a reactant has a 1 order?
the rate of reaction is directly proportional to the concentration of the reactant
rate equation : rate a [A]1
![<ul><li><p>the rate of reaction is directly proportional to the concentration of the reactant </p></li><li><p>rate equation : rate a [A]<sup>1</sup></p></li></ul><p></p>](https://assets.knowt.com/user-attachments/f60facbe-1c6b-45e6-9f4a-65f26a4ddf7a.png)
what does it mean if a reactant has a 2 order?
the rate of reaction will equal the concentration of the reactant squared
rate equation: rate a [A]2
![<ul><li><p>the rate of reaction will equal the concentration of the reactant squared</p></li><li><p>rate equation: rate a [A]<sup>2</sup></p></li></ul><p></p>](https://assets.knowt.com/user-attachments/d6ca1633-ca69-4023-82eb-73c56c6c7492.png)
what is the formula for rate equation?
a[A]x[B]y[C]z
what is the rate equation?
Rate = K [A]x [B]y [C]z
how do you work out overall order of a reaction?
sum of the individual orders for each reactant
what is the rate constant (k)?
the constant that links the rate of reaction with the concentration of the reactants raised to the power of their orders in the rate equation
what is the overall order?
the sum of the individuals orders in a reactions equation