What is the density of saturated water vapor

What is the density of saturated water vapor

51g.
The content (density) of water vapor in air is limited. Within the range of aerodynamic pressure (2MPa), it can be considered that the density of water vapor in saturated air only depends on the temperature and has nothing to do with the air pressure. The higher the temperature is, the higher the density of saturated water vapor is. For example, at 40 ℃, the density of saturated water vapor in 1m3 air is 51g regardless of its pressure of 0.1MPa or 1.0MPa

What is the density of saturated salt water

Under normal temperature and pressure, the density of saturated salt water is 1.33 g / cm3
This can be measured by yourself in the laboratory!

What is the density of saturated brine?

Under normal temperature and pressure, the density of saturated salt water is 1.33 g / cm3
This can be measured by yourself in the laboratory!
Respondent: 1loveoriole - Assistant II 11-9 14:19
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The relationship among linear density, area density and volume density

In fact, it doesn't matter. It's just some values set for the convenience of calculation. These values have no relationship with each other. For example, the linear density indicates the mass of the same length, but it doesn't matter whether the length is thick or thin. There is only one dimension, and the other dimensions are not considered, while the area density considers the calculation of two dimensions

What does linear density mean in physics?

There are several kinds of linear density in physics, such as the linear density of electric field, the linear density of magnetic induction and so on. Here, it refers to a group of abstract non-existent methods to measure the density of electric or magnetic materials (field is also a material). In addition, the linear density refers to the mass of a line segment that can ignore the volume on the relative length. It is the ratio of the mass to the length. Thus, the average linear density is calculated, Sometimes it's useful for people to measure the length of wire at zero

The linear density of lever, please help me!
The problem is: there is a lever, the fulcrum is at one end of it. At 0.1M away from the fulcrum, hang an object with a mass of 49kg, apply force to the other end of the lever to keep the lever level. If the linear density of the lever is 5kg / m, how to find the most labor-saving lever length?

Let the lever length L and linear density be μ, then the lever weight G1 = μ LG, the arm of force L1 = L / 2, the moment M1 = G1 · L1 = μ L & sup2; g / 2 hang an object with mass m = 49kg, the weight G2 = mg, the arm of force L2 = 0.1M, the moment M2 = mgl2, the force acting on the other end f, the arm of force L3 = L, so the moment m3 = - F

How to measure the linear density of steel wire
To design a method to measure the linear density of steel wire, it is necessary to have the necessary equipment for the experiment

1. Make a simple densimeter by binding the wire to the bottom of the stick
2. Put the densimeter into the water and mark the position where the water submerges the wooden stick. 1. Measure the length L1 from the bottom of the wooden stick to this scale
3. Put the densimeter into the milk and mark the position where the milk submerges the stick. 2. Measure the length L2
4. The ratio of the two lengths is the ratio of the density of water to the density of milk
5. L1 / L2 = water density / milk density
(I've done this topic in junior high school before.)

What is the linear density of charge
Seek expert answers

If you think of electric charge as a point on a piece of paper, if you have more points, the density will be higher. Of course, the distribution of electric charge is not necessarily planar. It can be distributed on a line or a solid. So there are terms of area density, line density and volume density

On the linear density integral of College Physics
Why DQ = λ DL instead of DQ = D λ L (λ is linear density and related to DL)

λ (linear density) is an integral of length to get the amount of charge. The equation you listed later means to integrate f = λ L. you can understand that λ = y, l = x, y is a function of X

Area density of charge in College Physics
Is 2 π R × Dr an area element in DQ = σ 2 π R × Dr? Isn't the area formula 2 π r square?

Let's take a ring with a width of DR and a radius of R. because DX is very small, the area of the ring is approximately equal to the circumference times the width, that is, DS = 2 π RDR