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Chapter 14: Problem 10

Give two examples of static equilibrium and two examples of dynamic equilibrium Your examples do not have to be chemical examples.

Short Answer

Expert verified
Two examples of static equilibrium could be a book lying on a table and a frozen lake. Two examples of dynamic equilibrium could be a car moving at a constant speed, and a person swinging on a swing at a steady rhythm.

Step by step solution

01

Identifying Static Equilibrium

Static equilibrium refers to an object at rest, so we need to identify situations in which an object is perfectly still because all of the forces acting on it are balanced. For example, a book lying on a table, or a frozen lake that's perfectly still on a windless day.
02

Identifying Dynamic Equilibrium

Dynamic equilibrium refers to a system which continually changes, but maintains an overall steady state. These situations involve motion, but the motion is steady and stable. For example, a car moving at constant speed, or a person swinging back-and-forth on a swing but maintaining a steady rhythm.

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Most popular questions from this chapter

An equilibrium mixture at a specific temperature is found to consist of \(1.2 \times 10^{-3}\) \(\operatorname{mol} / \mathrm{L} \mathrm{HCl}, 3.8 \times 10^{-4} \mathrm{moll} \mathrm{O}_{2}, 5.8 \times 10^{-2}\) \(\mathrm{mol} / \mathrm{L} \mathrm{H}_{2} \mathrm{O},\) and \(5.8 \times 10^{-2} \mathrm{mol} / \mathrm{L} \mathrm{Cl}_{2}\) according to the following: $$4 \mathrm{HCl}(\mathrm{g})+\mathrm{O}_{2}(\mathrm{g}) \rightleftarrows 2 \mathrm{H}_{2} \mathrm{O}(\mathrm{g})+2 \mathrm{Cl}_{2}(\mathrm{g})$$ Determine the value of the equilibrium constant for this system.

Explain the meaning of the terms reversible reaction, completion reaction, and reaction at equilibrium.

In the context of Le Chatelier's principle, what is a "stress"? List the stresses that affect chemical equilibria.

Describe and explain how the concentrations of \(A, B, C,\) and \(D\) change from the time when A and \(B\) first combine to the point at which equilibrium is established for the reaction $$A+B \rightleftarrows C+D$$

Changes in the concentrations of the reactants and products at equilibrium have no effect on the value of the equilibrium constant. Explain this statement.
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