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3 years ago

What is the function of alloying elements (e.g., cr, v, w, and mo) in tool steels?

Chemistry

1 answer:

trasher [3.6K]3 years ago

8 0

Answer:

An alloy is the combination of metals homogeneously.

Explanation:

Alloys can also include other elements in combination with metals e.g carbon and Iron forms steel.

Alloys find a host of application in various industries and domestic use.

Alloying of metals helps to improve the physical and chemical properties of such materials better.

Some materials are alloyed to improve their strength.

Alloying can help heat and electrical conduction of a substance.

Alloys can greatly prevent rusting and produce corrosion resistant metals.

Alloys can provide a better means for a material to be worked.

Alloys can be more durable than original materials.

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How is condensation explained by the Kinetic Molecular Theory? Cooling reduces particle motion, resulting in coalescence by attr

lara31 [8.8K]

Temperature means, in this context, movement.

Condensation can be explained by the reduction of temperature of the system. This effect make possible the cohesion forces increases. In other words, the result is coalescence by attractive forces.

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3 years ago

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Which of these molecular electron configurations describe an excited state?

kherson [118]

<span>We have ground strate configurations of electrons,if electrons are filled in order of increasing energy. When there are electrons are in higher orbitals, we have an atom in an excited state. B, and C are excited states. In B, 2 electrons can fit in the 4s orbital, and that should fill fully before the 4p orbitals. In C, the same is true for 5s and 5p In D, this is not an excited state because 4s fills before 3d</span>

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3 years ago

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The equilibrium constant has been estimated to be 0.12 at 25 °C. If you had originally placed 0.069 mol of cyclohexane in a 2.8

scZoUnD [109]

Answer: Concentrations of cyclohexane and methylcyclopentane at equilibrium are 0.0223 M and 0.0027 M respectively

Explanation:

Moles of cyclohexane = 0.069 mole

Volume of solution = 2.8 L

Initial concentration of cyclohexane = $\frac{moles}{Volume}=\frac{0.069}{2.8}=0.025M$

The given balanced equilibrium reaction is,

cyclohexane ⇔ methylcyclopentane

Initial conc. 0.025 M 0

At eqm. conc. (0.025-x)M (x) M

The expression for equilibrium constant for this reaction will be,

K= methylcyclopentane / cyclohexane

Now put all the given values in this expression, we get :

$0.12=\frac{(x)}{(0.025-x)}$

By solving the term 'x', we get :

x = 0.0027

Concentration of cyclohexane at equilibrium = (0.025-x ) M = (0.025-0.0027) M = 0.0223 M

Concentration of methylcyclopentane at equilibrium = (x ) M = (0.0027) M

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3 years ago

Help plz I rly. Need it

babymother [125]

Answer:

It should be D.

Explanation:

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3 years ago

Liquids and solids are referred to as "condensed phases" because the attractive forces cause molecules to become stationary. lea

Savatey [412]

Answer:

leave little space between the molecules.

Explanation:

Matter is made up of small particles called molecules. These molecules present in matter are arranged inside its bulk.

In liquids and solids, the molecules are arranged very close together in such a way that there is only a little space between them. This is why liquids and solids are referred to as "condensed phases".

They are quite unlike gases where there is a lot of space between gas molecules.

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2 years ago

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