Ch 18: Reaction Rates and Equilibrium Flashcards
1
Q
What is expressed as the amount of reactant changing per unit time?
A
The rate of chemical change/the reaction rate.
2
Q
What four things does the rate of the chemical reaction depend upon?
A
- Temperature
- Concentration
- Particle size
- The use of a catalyst
3
Q
At ________ ___________, no net change occurs in the actual amounts of the components of the system.
A
chemical equilibrium
4
Q
Stresses that upset the equilibrium of a chemical system include changes in the ____________ of reactants or products, changes in ___________, and changes in ________.
A
concentration, temperature, pressure
5
Q
What is [C]^c X [D]^d / [A]^a X [B]^b?
A
Equilibrium constant
6
Q
A value of K eq greater than 1 means that ________ are favored over _________.
A
products
reactants
7
Q
A value of K eq less than 1 means that _________ are favored over ________.
A
reactants
products
