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Chapter 18: Q1CP (page 720)

What is the most important general difference between a system in steady state and a system in equilibrium?

Short Answer

Expert verified

When a system is at equilibrium, there is no net heat transmission. The term "steady state" describes a (possibly) open system in which there may be heat transmission but no change in the system's state.

Step by step solution

01

Significance of the steady state and equilibrium

A chemical reaction is said to be in a steady state when the concentration of an intermediate remains constant, as opposed to equilibrium, where the rates of the forward and backward reactions are equal.

02

Determination of the difference between a system in steady state and a system in equilibrium

In contrast to steady state, which is the stage of a chemical reaction when an intermediate's concentration is constant, equilibrium is a condition in which the rates of the forward and backward reactions are equal.

In contrast to steady state, when just some components are maintained constant, equilibrium maintains the concentrations of all components at a constant level.

When a system is at equilibrium, there is no net heat transmission. The term "steady state" describes a (possibly) open system in which there may be heat transmission but no change in the system's state.

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Most popular questions from this chapter

At a typical drift speed of 5脳10-5m/s, an electron traveling at that speed would take about to travel through one of your connecting wires. Why, then, does the bulb light immediately when the connecting wire is attached to the battery?

A Nichrome wire 30 cm long and 0.25 mm in diameter is connected to a 1.5 V flashlight battery. What is the electric field inside the wire? Why you don鈥檛 have to know how the wire is bent? How would your answer change if the wire diameter change were 0.35 mm? (Not that the electric field in the wire is quiet small compared to the electric field near a charged tape.)

There are very roughly the same number of iron atoms per m3 as there are copper atoms per m3 , but copper is a much better conductor than iron. How does uiron compare with ucopper?

Why don鈥檛 all mobile electrons in a metal have exactly the same speed?

Why does the brightness of a bulb not change noticeably when you use longer copper wires to connect it to the battery? (1) Very little energy is dissipated in the thick connecting wires. (2) The electric field in connecting wires is very small, so emf鈮�EbulbLbulb. (3) Electric field in the connecting wires is zero, so emf鈮�EbulbLbulb. (4) Current in the connecting wires is smaller than current in the bulb. (5) All the current is used up in the bulb, so the connecting wires don鈥檛 matter.
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