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The expression for equilibrium is when the rate of the forward reaction is equal to the rate of the reverse reaction and the concentrations of reactants and products remain constant over time. Mathematically, it can be represented as: [ \text{rate}{\text{forward}} = \text{rate}{\text{reverse}} ]
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What is the expression for force constant?
The expression for the force constant (k) in Hooke's Law is given by the equation F = kx, where F is the force applied, k is the force constant, and x is the displacement from equilibrium. The force constant is a measure of the stiffness of a spring or a bond.
Are all objects at equilibrium stable?
No, not all objects at equilibrium are stable. There are two types of equilibrium: stable equilibrium, where a system returns to its original state when disturbed, and unstable equilibrium, where a system moves away from its original state when disturbed. Objects at unstable equilibrium are not stable.
What is another word for balanced forces?
Equilibrium.
What is the Difference between static equilibrium's and dynamic equilibrium?
Static equilibrium refers to a system at rest where all forces are balanced, while dynamic equilibrium refers to a system in motion where the rate of change is constant. In static equilibrium, objects are stationary, while in dynamic equilibrium, objects are moving at a constant speed and direction.
What are the two kinds of equilibrium?
The two kinds of equilibrium are static equilibrium, where an object is at rest with no linear or angular acceleration, and dynamic equilibrium, where an object is moving at a constant velocity with no linear or angular acceleration.
What is the significance of Kc in equilibrium expression?
Kc is the equilibrium constant.
The equilibrium constant for the reaction below is 0.49 At equilibrium O2 equals 0.11 and N2 equals 0.15 What is the equilibrium concentration of NO?
To find the equilibrium concentration of NO, first calculate the equilibrium constant expression using the given concentrations of O2 and N2. Then, rearrange the equilibrium constant expression to solve for the concentration of NO. Finally, substitute the values of O2 and N2 concentrations into the rearranged expression to find the equilibrium concentration of NO.
What is the equilibrium expression for the dissolution of Ag2CO3?
The equilibrium expression for the dissolution of Ag2CO3 is: Ag2CO3(s) ⇌ 2Ag+(aq) + CO3^2-(aq).
What does equilibrium and equilibrium mixture mean?
A quantity that characterizes the position of equilibrium for a reversible reaction; its magnitude is equal to the mass action expression at equilibrium. K varies with temperature.
Why is it important to write a balanced reaction before determining the equilibrium expression and equilibrium concentrations?
So you can use the coefficants to go from one substance to another
What is the correct form for the equilibrium constant expression for this reaction H2g plus F2g 2 HFg?
The correct form for the equilibrium constant expression for this reaction is Kc = [HF]^2 / ([H2] * [F2]), where the square brackets denote molar concentrations of each species at equilibrium.
How can you use a balanced chemical equation to write an equilibrium constant expression?
To write an equilibrium constant expression using a balanced chemical equation, you need to identify the reactants and products involved in the equilibrium and write the expression as a ratio of the products raised to their stoichiometric coefficients divided by the reactants raised to their stoichiometric coefficients. The general format is [products]/[reactants]. The coefficients from the balanced equation become the exponents in the expression.
What is the expression that represents the equilibrium constant expression for H2SO3?
The equilibrium constant expression for H2SO3 is K = [H+]^2[HSO3-]/[H2SO3].
Which species are left out from the Keq expression?
The substances left out from the equilibrium constant expression (Keq) are usually pure solids, pure liquids, and solvents. These do not affect the equilibrium position because their concentrations remain constant. Only species that are present in aqueous or gaseous form and participate in the reaction are included in the Keq expression.
The equilibrium constant for the reaction below is 0.625. At equilibriumO 2 0.40 and H2O 0.20. What is the equilibrium concentration of H2O2?
Given the equilibrium constant (Kc) is 0.625 and the concentrations of O2 and H2O at equilibrium are 0.40 and 0.20 respectively, you can use the equilibrium expression Kc = [H2O2] / ([O2] * [H2O]) to solve for the equilibrium concentration of H2O2. Plugging in the values, you can calculate the concentration of H2O2 at equilibrium.
Why doesnt the solid appear in the Ksp expression?
In the Ksp expression, only the concentration of the dissolved ions is included because the solid is considered to be in equilibrium with the ions in solution. Therefore, its concentration remains constant and is not included in the expression. Including the solid in the Ksp expression would not affect the equilibrium constant value.
What if kc expression is greater than 1 in chemistry?
If the Kc expression is greater than 1 in chemistry, it means that the concentration of products in the equilibrium mixture is higher than the concentration of reactants. This suggests that the reaction favors the formation of products at equilibrium.
