## What are the units of k for each reaction order?

The units of the rate constant, k, depend on the overall reaction order. The units of k for a zero-order reaction are M/s, the units of k for a first-order reaction are 1/s, and the units of k for a second-order reaction are 1/(M·s).

## What is 4th order subwoofer?

A fourth order enclosure (vented box) is a sealed enclosure with the additon of a port tuned to a specific frequency. The port extends the low frequency response of the basic sealed enclosure usually providing a lower cut-off frequency.

**What are the units for the rate constant of a third order reaction?**

If the reaction is third order, the rate constant should have units of L2 mol-2 s-1.

### What are the units of k in a fourth order reaction?

Therefore, the unit of k is (mol/L)−3t−1 for fourth order reaction.

### What is the unit of rate constant of second-order reaction?

Solution : `”mol”^(-1)”L s”^(-1)` is the unit of rate constant for second order reaction.

**What are the units of a first order rate constant?**

Because the units of the reaction rate are always moles per liter per second, the units of a first-order rate constant are reciprocal seconds (s−1).

#### What is the unit of the rate constant for a reaction of order 3 2?

sec^-1

For a reaction having order equal to 3/2 , the units for rate constant are sec^-1 .

#### What are the units for rate constant for zero-order & second-order reaction?

The rate constant of the reaction is denoted by k. In a zero-order reaction, the rate constant is expressed as concentration/time or M/s, where ‘M’ is the molarity and ‘s’ is one second. ∴ k = mol L–1 s–1 is the unit of rate constant.

**What is the unit of second-order rate constant?**

For the units of the reaction rate to be moles per liter per second (M/s), the units of a second-order rate constant must be the inverse (M−1·s−1). Because the units of molarity are expressed as mol/L, the unit of the rate constant can also be written as L(mol·s).

## What is the unit of rate constant of first order reaction?

reciprocal seconds

Because the units of the reaction rate are always moles per liter per second, the units of a first-order rate constant are reciprocal seconds (s−1).

## What are the units for rate constant in chemistry?

More generally speaking, the units for the rate constant for a reaction of order (m +n) ( m + n) are mol1−(m+n) L(m+n)−1 s−1. mol 1 − ( m + n) L ( m + n) − 1 s − 1. The table below summarizes the rate constant units for common reaction orders. Note that the units in the table can also be expressed in terms of molarity ( M) instead of mol/L.

**What is the resistance of a 4 ohm subwoofer?**

In practical terms, if two 4-ohm subwoofers are connected in parallel, the total resistivity would be 4/2, which gives resistance of 2 Ω. With subwoofers in parallel, you get louder sound but suffer lower sound quality.

### What is the difference between 2 ω and 4 Ω subwoofers?

Comparison Chart 2 Ω subwoofer 4 Ω subwoofer Louder sound Softer sound Poorer sound quality Better sound quality Generally more expensive Generally cheaper than 2-ohm subwoofers Lower resistivity Higher resistivity

### What is the impedance of a subwoofer?

The amplifier is made to work with speakers within a specific impedance range. You’ll notice that most stereo speaker designed for home use come with 8 ohms ratings while vehicle speakers are often 4 or 2 ohms. 2 Ω and 4 Ω units are different in the following areas: Let’s now see what each of these subwoofers is.