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USPshnik [31]
3 years ago
10

When the liquid state and the gaseous state of a substance are in equilibrium, the rate of evaporation is

Chemistry
1 answer:
vazorg [7]3 years ago
3 0
C.) When the liquid state and the gaseous state of a substance are in equilibrium, the rate of evaporation is "<span>equal to the rate of condensation"

Hope this helps!</span>
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A hydrogen atom in an excited state can be ionized with less energy than when it is in its ground state. What is n for a hydroge
Molodets [167]

Explanation:

It is known that formula for the ionization energy of hydrogen atom is as follows.

               E = \frac{13.6 eV}{n^{2}}

or,          n = \sqrt{\frac{13.6}{E}}

The value of energy is given as 0.544 eV. Therefore, we will calculate the value of n as follows.

                   n = \sqrt{\frac{13.6}{E}}

                      = \sqrt{\frac{13.6}{0.544 eV}}

                      = 5

Thus, we can conclude that n equals to 5 for a hydrogen atom if 0.544 eV of energy can ionize it.

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2 years ago
PLEASE HELP<br> Thanks to Einstein's equation E = mc² we now know that energy is equivalent to what?
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Energy=mass x the speed of light squared.
4 0
3 years ago
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What is pressure in relation to a gas?
labwork [276]

The pressure of a gas is the force that a gas exerts per unit area of the container.

Pressure is defined as force per unit area. Gas molecules are constantly colliding against the walls of the container. The pressure of the gas is the force the gas is exerting on its container.

Since temperature is defined as the average kinetic energy of the molecules of a gas then the higher the temperature, the faster the particles move.

The volume of a container refers the size if the container.

The pressure of a gas is inversely proportional to its volume according to Boyle's law. Thus implies that if the pressure of the gas goes up, the volume has to go down.

For a compound to be called an acid, it must contain H+ and H3O+ when dissolved in water.

For a compound to be called a base, the compound must dissolve in water to yield hydroxide ions.

Learn more: brainly.com/question/11543614

7 0
2 years ago
HELP!!!! I WILL MARK BRAINLIEST WHOEVER ANSWERS FIRST
ELEN [110]

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I answered first, give me brainliest

Explanation:

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2 years ago
Identify the major attractive force in HF molecules.A) London Dispersion Forces (LDFs)
Llana [10]

Answer:

C) hydrogen bonding

Explanation:

All atoms and molecules have London Dispersion Forces between them, but they are usually overshadowed but the much stronger forces. In this scenario the major attractive force in HF molecules are hydrogen bonds. Hydrogen bonds are electrostatic forces of attraction found when Hydrogen is bonded to a more electronegative atom such as Oxygen, Chlorine and Fluorine.

6 0
3 years ago
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