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Which is a characteristic of chemical equilibrium but not physical equilibrium?
Reversibility of reactions is a characteristic of chemical equilibrium but not physical equilibrium. In chemical equilibrium, the forward and reverse reactions continue to occur, while in physical equilibrium, there is no net change in the physical state of a substance.
What occurs when the forward and reverse reactions occur at the same rate?
If a forward and reverse reaction happen at the same rate, the result is called a dynamic equilibrium; the overall chemical composition does not change, even though reactions are constantly taking place.
What does the value of the equilibrium constant indicate?
The value of the equilibrium constant indicates the extent to which a reaction has reached equilibrium. A high value means that the equilibrium strongly favors the products, while a low value means the equilibrium strongly favors the reactants.
When does osmosis come to an end?
Osmosis will continue until equilibrium is reached, meaning that there is an equal concentration of solute on both sides of the semi-permeable membrane. Once equilibrium is achieved, osmosis will stop as there will be no net movement of water across the membrane.
Why reversible reactions never complete?
Reversible reactions never complete because they reach a state of dynamic equilibrium, where the rate of the forward reaction is equal to the rate of the reverse reaction. This means that products are constantly being converted back into reactants and vice versa, preventing the reaction from reaching completion.
Which is a characteristic of chemical equilibrium but not physical equilibrium?
Reversibility of reactions is a characteristic of chemical equilibrium but not physical equilibrium. In chemical equilibrium, the forward and reverse reactions continue to occur, while in physical equilibrium, there is no net change in the physical state of a substance.
What best describes chemical equilibrium a reactions have stopped b reactions continue with no effect on the concentration of reactant and products c reactions stop only when a?
B. Reactions continue with no effect on the concentration of reactant and products. Chemical equilibrium occurs when the rate of the forward reaction is equal to the rate of the reverse reaction, leading to a constant concentration of reactants and products.
What is the importance of equilibrium in the study of chemical reactions?
Equilibrium denotes a condition where the sum of forces is zero or balanced. This condition is related to Boundary conditions or limit values for Energy.This is important because at Equilibrium the forces are balanced and the condition is said to be stable and unchanging.
What happens in a reaction if it is at chemical equilibrium?
In a chemical system, there are forward and reverse reactions occurring constantly. As the forward reactions progress, the increased amount of products allows for more and more reverse reactions. Once the rate of the forward and reverse reactions are equal, the system is at equilibrium. The forward and reverse reactions continue at equal but opposite rates; however, there are no further changes in the concentration of the products and reactants.
When is reaction in chemical equilibruim?
a reaction is in chemical equilibrium when the rate of evaporation is equal to the rate of condensation. molecules are leaving and returning to the container at the same rate. Equilibrium can only be reached in a close container.
What correctly describes any chemical reaction that has reached equilibrium?
At equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction. The concentrations of reactants and products remain constant, although they are still reacting. The equilibrium position can be affected by changes in temperature, pressure, or concentration.
How do you describe an equilibrium system?
An equilibrium system is one in which the forward and reverse reactions proceed at the same rate, resulting in no overall change in the concentrations of reactants and products. At equilibrium, the concentrations of reactants and products remain constant, although the reactions continue to occur. The equilibrium state is dynamic, with molecules constantly interconverting between reactants and products.
What occurs when the forward and reverse reactions occur at the same rate?
If a forward and reverse reaction happen at the same rate, the result is called a dynamic equilibrium; the overall chemical composition does not change, even though reactions are constantly taking place.
What is Dynamic equilibrium?
Dynamic equilibrium is a state in which forward and reverse reactions occur at the same rate, maintaining a constant concentration of reactants and products. While the concentrations remain constant, the reactions continue to occur, leading to a dynamic balance.
How is dynamic equilibrium reached?
Dynamic equilibrium is when a reversible reaction stops changing its ratio of reaction but substances still move between chemicals at the same rate. In thermodynamics a reactions occur so vigorously that composition cannot be observed.
Where does dynamic equilibrium take place?
Dynamic equilibrium takes place in a closed system where the rate of the forward reaction is equal to the rate of the reverse reaction. This means that the concentrations of reactants and products remain constant over time, even though the reactions continue to occur. Examples include chemical reactions, such as the Haber process for ammonia production.
What does the value of the equilibrium constant indicate?
The value of the equilibrium constant indicates the extent to which a reaction has reached equilibrium. A high value means that the equilibrium strongly favors the products, while a low value means the equilibrium strongly favors the reactants.
