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Q: What is the chemical constant of a reaction?
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What is the unit of the equilibrium constant in a chemical reaction?

The unit of the equilibrium constant in a chemical reaction is dimensionless.


Does the rate constant change with concentration in a chemical reaction?

Yes, the rate constant can change with concentration in a chemical reaction.


What are the units of the equilibrium constant K in a chemical reaction?

The units of the equilibrium constant K in a chemical reaction are dimensionless.


What are the units of the equilibrium constant in a chemical reaction?

The units of the equilibrium constant in a chemical reaction are dimensionless, meaning they have no units.


What stays constant in a chemical reaction?

In a chemical reaction, the total mass of the substances involved stays constant. This is known as the law of conservation of mass.


How do you calculate the equilibrium constant for a chemical reaction?

To calculate the equilibrium constant for a chemical reaction, you divide the concentrations of the products by the concentrations of the reactants, each raised to the power of their respective coefficients in the balanced chemical equation. The resulting value represents the equilibrium constant for the reaction.


When does heat equal enthalpy in a chemical reaction?

Heat equals enthalpy in a chemical reaction when the reaction is carried out at constant pressure.


How can one determine the rate constant in a chemical reaction?

The rate constant in a chemical reaction can be determined by conducting experiments and measuring the reaction rate at different concentrations of reactants. By plotting the data and using the rate equation, the rate constant can be calculated.


What is the relationship between the equilibrium constant and the rate constant in a chemical reaction?

The equilibrium constant (K) and the rate constant (k) in a chemical reaction are related but represent different aspects of the reaction. The equilibrium constant describes the ratio of products to reactants at equilibrium, while the rate constant determines the speed at which the reaction occurs. The two constants are not directly proportional to each other, as they represent different properties of the reaction.


When does the change in enthalpy equal heat in a chemical reaction?

The change in enthalpy equals the heat in a chemical reaction when the reaction occurs at constant pressure.


What is the relationship between the rate constant (ka) and the equilibrium constant (kb) in a chemical reaction?

The rate constant (ka) and the equilibrium constant (kb) in a chemical reaction are related by the equation: ka kb / (1 - kb). This equation shows that the rate constant is inversely proportional to the equilibrium constant.


In what ways do reaction rate, rate law, and rate constant differ in chemical kinetics?

In chemical kinetics, reaction rate refers to how fast a reaction occurs, rate law is the mathematical expression that relates the reaction rate to the concentrations of reactants, and rate constant is a constant value that represents the speed of the reaction at a specific temperature.