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Darina [25.2K]
3 years ago
7

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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Which describes the number of protons in the atom of a particular element
igomit [66]

Answer:

Atomic Number

Explanation:

The number of protons an atom has is unique to that element. The number of protons is noted as the atomic number for that element on the periodic table.

4 0
3 years ago
The solubility of calcium oxalate, CaC2O4, in pure water is 4.8 × 10‑5 moles per liter. Cal­culate the value of Ksp for silver c
inn [45]

Answer:

2.3 × 10⁻⁹

Explanation:

Step 1: Write the reaction for the solution of calcium oxalate

CaC₂O₄(s) ⇄ Ca²⁺(aq) + C₂O₄²⁻(aq)

Step 2: Make an ICE chart

We can relate the molar solubility (S) with the solubility product constant (Ksp) through an ICE chart.

        CaC₂O₄(s) ⇄ Ca²⁺(aq) + C₂O₄²⁻(aq)

I                                0                 0

C                              +S               +S

E                                S                 S

The solubility product constant is:

Ksp = [Ca²⁺] × [C₂O₄²⁻] = S² = (4.8 × 10⁻⁵)² = 2.3 × 10⁻⁹

4 0
3 years ago
Aliphatic compounds are formed from a.animal fats b.plant cellulose c.bonding inorganic compound d.bonding hexane and methane mo
Mamont248 [21]
The answer of this question is D
5 0
3 years ago
The movement of substances from an area of low concentration to an area of high concentration is called what?
RUDIKE [14]

Answer:

Diffusion

Explanation:

8 0
3 years ago
The following pairs of soluble solutions can be mixed. In some cases, this leads to the formation of an insoluble precipitate. D
Westkost [7]

Answer:

a) K_{2} S and NH_{4} Cl :

There are no insoluble precipitate forms.

b) Ca Cl_{2} and (NH_{4} )_{2} Co_{3} :

There are the insoluble precipitates of CaCo_{3}  forms.

c) Li_{2}S and MnBr_{2} :

There are the insoluble precipitates of MnS  forms.

d) Ba(No_{3} )_{2} and Ag_{2} So_{4} :                        

As Ag_{2} So_{4} is insoluble, therefore no precipitate forms.

e) Rb_{2}Co_{3} and NaCl:

There are no insoluble precipitates forms.

Explanation:

a)

Solubility rule suggests:- K_{2} S ⇒ soluble, NH_{4} Cl ⇒ soluble.

                                          KCl ⇒ soluble, (NH_{4})_{2} S  ⇒ soluble.

There are no insoluble precipitate forms.

b)

Solubility rule suggests:- Ca Cl_{2} ⇒ soluble, (NH_{4} )_{2} Co_{3} ⇒ soluble.

                                        CaCo_{3} ⇒ insoluble, NH_{4} Cl  ⇒ soluble.

There are the insoluble precipitates of CaCo_{3}  forms.

c)

Solubility rule suggests:- Li_{2}S ⇒ soluble, MnBr_{2} ⇒ soluble.

                                        LiBr ⇒ soluble, MnS  ⇒ insoluble.

There are the insoluble precipitates of MnS  forms.

d)

Solubility rule suggests:- Ba(No_{3} )_{2} ⇒ soluble, Ag_{2} So_{4} ⇒insoluble.

                                     

As Ag_{2} So_{4} is insoluble, therefore no precipitate forms.

e)

Solubility rule suggests:- Rb_{2}Co_{3} ⇒ soluble, NaCl ⇒ soluble.

                                        RbCl ⇒ soluble, Na_{2} Co_{3}  ⇒ soluble.

There are no insoluble precipitates forms.

6 0
3 years ago
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