Are earthquakes scattered all over the world or do they seem to occur near each other (in groups)?

Answers

Answer 1

Answer: well really earthquakes come anywhere but it takes it time like it starts when the weather changes you know

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Find out the application of all the inert gases prepare a chart

Answers

Inert gases are group 18 elements. They have there valance shell completely filled, hence they donot undergo chemical reactions under normal conditions.

Following are the list of inert gases, along with their application:

Helium:Used as component of breathing gases due to its poor solubility in fluids or lipids. Helium is used in low temperature cryogenics.

Neon: Neon finds widespread applications in daily life such as lights, fog lights, TV cine-scopes, lasers, luminous warnings etc.

Argon: Argon is used in electrical components to provide a protective heat transfer medium for semiconductors. Argon is also capable to fill fluorescent and incandescent light bulbs. It assist in providing blue light.

Krypton: Krypton are usually mixed with a halogen to produce excimer lasers

Xenon: It is possible to generate X-rays from Xe. When Xe mixed with oxygen, it has to capability to enhance the contrast in CT imaging.

Radon: Radon is a radioactive element, which is used for radiotherapy and relief from arthritis.

Noble gases/inert gases are used in various fields including lamp fillers, metal welding or coolers

Further explanation

Noble gas (group 8A in the periodic system the element) is an element that is not reactive (stable)/inert

Its stability is caused by:

1. ns² np⁶ electron configuration (except He: 1s2), electrons in the subshell are already paired, making it difficult to form bonds with other elements

2. High ionization energy making it difficult to form positive ions (ionic compounds)

3. Low electron affinity that makes it difficult to bind electrons to become negative ions

Some noble gases such as Ar, Kr are obtained from multilevel distillation

The use of noble gases include:

1. Helium: filler of a gas balloon, mix with oxygen in a diver's tube, coolant
2. Neon: filler lights in red, can penetrate the fog
3. Argon: metal welding
4. Krypton and Xenon: colorful lights

Learn more

the periodic table

brainly.com/question/8543126

electron affinity

brainly.com/question/1440853

ionic compounds:Al₂X₃, XCO₃

brainly.com/question/2014634

Keywords : inert gas, application,electron configuration

Describe three properties of a frozen fruit bar including its state of matter.

Answers

The state of matter of a frozen fruit bar is solid. One property of solids is that they have a fixed shape, because the particles are tightly compressed and cannot move about. Another property is that solids can’t be compressed, because the particles have no space to move as a result of the compression. The frozen fruit bar has no free electrons so, like most other solids, it cannot conduct electricity.

Hydrogen is a liquid below what temperature?a.
100 degrees C
c.
-183 degrees C
b.
-253 degrees C
d.
0 degrees C

Answers

Answer:

The hydrogen exist as a liquid at -253 degree C.

Explanation:

Hydrogen is found as a molecular form H2. In order to become liquid , it must be cooled below its critical temperature. It become liquid at -253 degree C or 423.17 degree F or 20.8 K.

So hydrogen become liquid at -253 degree Celsius.

Hydrogen is a liquid below -253 degrees C

What does energy transformation mean

Answers

Energy transformation or energy conversion is the process of changing one form of energy to another form of energy. In physics, the term energy describes the capacity to produce certain changes within any system, without regard to limitations in transformation imposed.

A 93-L sample of dry air is cooled from 145 oC to -22 oC at a constant pressure of 2.85 atmospheres). What is the final volume?

Answers

Answer:

56 L

Explanation:

We're dealing with a gas in this problem. We may, therefore, apply the ideal gas law for this problem:

$pV = nRT$

We now that we have a constant pressure. Besides, R, the ideal gas law constant, is also a constant number. Let's rearrange the equation so that we have all constant variables on the right and all changing variables on the left:

$(V)/(T) = (nR)/(p) = const$