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atroni [7]
3 years ago
13

Which of the following statements are evidence that gases do not always behave ideally? Check all that apply.?

Physics
2 answers:
yaroslaw [1]3 years ago
8 0

Your answer will be A

Hope this helps you out a little


Lelechka [254]3 years ago
8 0

You can choose :

A) CO2 gas becomes dry ice (solid CO2) at 1 atm and –78.5 °C.

B) When two gases mix, Dalton's law of partial pressure follows.

C) At 4 K and 1 atm, helium is a liquid.

<em>Because all of them is the right answer.</em>

<h2>Further explanation</h2>

Gas is a substance that is composed of atoms or molecules (commonly called particles) with relatively far distances. Between gas particles, there are weak bonds, so weak are these bonds that the physical properties of substances are almost [1] not affected by the type of substance. For example fluorine and helium. Chemically the two are very different, but their physical behavior is very similar. Various studies conducted in the 1600s found that the physical properties of all gases were determined by:

  • Pressure (P)
  • Volume (V)
  • Number of moles (n)
  • Temperature (T)

The relationship between these variables is called the gas laws, and the gas that follows these laws is called the ideal gas. There are various kinds of gas laws, but for this discussion, we will discuss the ideal gas law and partial pressures and Dalton's law.

The Ideal Gas Law

When Avogadro's law, Charles's law, and Boyle's law combine to produce a statement called the ideal gas, which states that the volume of a gas is influenced by the number of moles, pressure, and temperature. Ideal gas shows that there must be gas-gas that have non-ideal behavior. There is not a single gas that follows the equation perfectly under all conditions. All real gases are non-ideal and deviate from the behavior predicted by equations.

Partial Pressure and Dalton's Law.

The ideal gas law applies not only to pure gas but also to gas mixtures. Gas has a very unconcerned nature to neighboring molecules so that the presence or absence of other gases is unchanged. It can be said, the pressure caused by gas when occupying a container alone is as large as the pressure caused by the gas when occupying the gas together with other gases. The total pressure is the amount of pressure from all gases.

Learn more

Gas laws brainly.com/question/1324262, brainly.com/question/6534032

Details

Class: High School

Subject: Physics

Keyword: Gas laws.

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(a) What is the minimum width of a single slit (in multiples of λ ) that will produce a first minimum for a wavelength λ ? (b) W
Kitty [74]

Answer:

The minimum value of width for first minima is λ

The  minimum value of width for 50 minima is 50λ

The  minimum value of width for 1000 minima is 1000λ

Explanation:

Given that,

Wavelength = λ

For D to be small,

We need to calculate the minimum width

Using formula of minimum width

D\sin\theta=n\lambda

D=\dfrac{n\lambda}{\sin\theta}

Where, D = width of slit

\lambda = wavelength

Put the value into the formula

D=\dfrac{n\lambda}{\sin\theta}

Here, \sin\theta should be maximum.

So. maximum value of \sin\theta is 1

Put the value into the formula

D=\dfrac{1\times\lambda}{1}

D=\lambda

(b). If the minimum number  is 50

Then, the width is

D=\dfrac{50\times\lambda}{1}

D=50\lambda

(c). If the minimum number  is 1000

Then, the width is

D=\dfrac{1000\times\lambda}{1}

D=1000\lambda

Hence, The minimum value of width for first minima is λ

The  minimum value of width for 50 minima is 50λ

The  minimum value of width for 1000 minima is 1000λ

4 0
3 years ago
Required to
IRISSAK [1]

Answer:

Explanation:

Force I think

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