Chemical And Physical Equilibrium Flashcards
A chemical equilibrium reaction has different substances for the _ and _
Reactants
Products
Physical equilibrium reactions have one substance that
Changes phase
Physical equilibrium reactions has a substance that changes phase by
Moving in some combination from solid to liquid to gas
Water moving from solid to gas in physical equilibrium reaction looks like _
H2O(l) ↔️ H2O(g)
Chemical equilibrium has diffeeent substances for reactant and product (example)
HNO2 ↔️ H+ NO2-
Chemists use chemical equilibrium reactions to predict how reactants will behave in a _
Closed system
The system in a closed system is the _
Environment being studied
Equilibrium can only be obtained in a _
Closed system
In a closed system, no substance added or removed but _
Energy can be transferred in or out of
Catalysts do not shift position of equilibrium, but they increase the rate at which _
Equilibrium is achieved
In a catalyst, concentration of reactants and products remain constant but are not necessarily _
Equal
There are three systems; open system, closed system, and _ system
Isolated
Open system allows for free exchange of (2)
Matter
Energy
Closed system only allows exchange of
Energy
Isolated system does not allow any _
Exchange
