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serious [3.7K]
3 years ago
5

• Write the chemical formulae of the following:-

Chemistry
2 answers:
a_sh-v [17]3 years ago
6 0

The chemical formulae of the given compounds are as follows:

  • Magnesium chloride: MgCl₂
  • Aluminium chloride: AlCl₃
  • Calcium oxide: CaO
  • Calcium carbonate: CaCO₃
  • Copper nitrate: Cu(NO₃)₂

<h3>Chemical formulae</h3>

A chemical formulae a set of chemical symbols showing the elements present in a compound and their relative proportions in that chemical compound.

The information provided by a chemical formula include:

  • The atoms of elements present in the compound
  • The ratio in which the elements are combined in the compound
  • The state in which the compound occurs

The chemical formulae of the given compounds are as follows:

  • Magnesium chloride: MgCl₂
  • Aluminium chloride: AlCl₃
  • Calcium oxide: CaO
  • Calcium carbonate: CaCO₃
  • Copper nitrate: Cu(NO₃)₂

Learn more about chemical formulae at: brainly.com/question/8007130

motikmotik3 years ago
3 0

Answer:

• Write the chemical formulae of the following:-

1) Magnesium Chloride = MgC12.

2) Aluminium Chloride = A1C13 .

3) Calcium Nitrate = CaO

4) Calcium Carbonate = CaCo3

5) Copper Nitrate = Cu ( No3)2.

Explanation:

Hope this helps you !!

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Firdavs [7]
Well, the cause of a volcanic eruption is when the lower crust melts. This leads to the formation of magma. The volcano is an opening through which the magma is discharged. The rock inside the earth melts. This magma is diffused upwards through the volcano. If magma reaches the top of the volcano, it behaviour depends on viscosity. So what happens before a volcanic eruption is that the lower crust melts, causing the formation of magma, which is released through the volcano. Hope i helped. 
3 0
4 years ago
1. Why is carbon dioxide a gas at low temperatures at mars
wlad13 [49]

1. carbon dioxide is a gas at low temperatures at mars because in the oxidizing environment organic compounds are oxidized to form carbon dioxide.

2. The 1 electron in outermost shell of Na is shared with 7 electrons of outermost shell of chlorine giving neutral charge on compound.

3. Electrostatic force of attraction is between the metal and non-metal.

4. When metal and non metal exchange electrons to form a neutral or no charge compound it is said to have form ionic bonds.

Explanation:

1. Temperature at Mars is very low -80 Fahrenheit  (-60 degrees) because water is not present in the planet. Carbon dioxide is abundant in Mars. The atmosphere is oxidizing at Mars which oxidizes the organic compounds and forms carbon dioxide.

2. NaCl combines by sharing of electrons forming ionic bonding. Different atoms of the different element share electrons to form ionic bonds. Such bond is formed when electrons is transferred between the atoms. In the NaCl, Na has 1 electron (electropositive) in its outer shell and chlorine has 7 electrons (electronegative). Both share the electrons getting their octet complete and a neutral charge on the compound formed.

3. Electrostatic force of attraction is between the metal and non-metal when bond is formed. The ionic bonds is formed between metal and non metals when electron exchange takes place. The electrostatic force is the attraction between two opposite charges on the ion.

4. When a metal and non metal exchange electrons in which metal is electropositive and non metal is electronegative the bonds form is called ionic bond. The electron is transferred from metal to non metal and thus giving neutral charge on the compound i.e. the outer shell has its octet complete.

6 0
3 years ago
Now consider the reaction a+2b⇌c for which in the initial mixture qc=[c][a][b]2=387 is the reaction at equilibrium? if not, in w
Paul [167]
Solving this chemistry is a little bit hard because the question didn't give some important detailed. 
So first, there are a couple problems with your question. 
We will just need to know which direction will it proceed to reach equilibrium.
Your expression for Kc (and Qc ) for the reaction should be: 
Kc = [C] / [A] [B]^2 
You have not provided a value for Kc, so a value of Qc tells you absolutely nothing. Qc is only valuable in relation to a numerical value for Kc. If Qc = Kc, then the reaction is at equilibrium. If Q < K, the reaction will form more products to reach equilibrium, and if Q > Kc, the reaction will form more reactants.
5 0
3 years ago
An ionic bond is a bond
vesna_86 [32]

Answer:

That involve the complete transfer of an electron from one atom of an element to another

7 0
3 years ago
A neutralization reaction is a reaction between choose. That results in the formation of choose. And choose.
andrey2020 [161]

Neutralization reaction is the reaction that occur between acid and base.

<h3>What is Neutralization reaction?</h3>

Neutralization reaction is the reaction that take place between acid and base to produce salt and water. For examples HCl react with NaOH to produce NaCl and H2O

Therefore, Neutralization reaction is the reaction between acid and base.

The question is not complete but the option are gotten from another website.

Here are the options.

  • an acid and a base
  • a fuel and oxygen
  • an acid and a metal
  • a salt and a base

Learn more about neutralization from the link below.

brainly.com/question/4090568

8 0
3 years ago
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