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trasher [3.6K]
3 years ago
9

How do atoms form double or triple covalent bonds?

Chemistry
1 answer:
Alex17521 [72]3 years ago
7 0

Answer:

Covalent bonding occurs when electrons are shared between atoms. Double and triple covalent bonds occur when four or six electrons are shared between two atoms, and they are indicated in Lewis structures by drawing two or three lines connecting one atom to another.

Explanation:

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Planck's constant relates the energy in one photon of electromagnetic radiation to the frequency of the radiation, varying:
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The answer is inversely

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3 years ago
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If the pressure of a gas is 100 kPa when the volume is measured to be 500 mL. What pressure would need to be exerted to have the
Korvikt [17]

Answer:

p2=125 kpa

Explanation:

Using Boyle's law

p1 x v1 = p2 x v2

p1=100kpa

v1=500ml

p2=?

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p2= (100x500)\400

p2=125 kpa

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8 0
4 years ago
Decide whether a chemical reaction happens in either of the following situations. If a reaction does happen, write the chemical
iragen [17]

Answer: The chemical equations are given below.

Explanation:

A balanced chemical reaction follows law of conservation of mass.

This law states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form. This also means that total number of individual atoms on reactant side must be equal to the total number of individual atoms on the product side.  

Single displacement reaction is defined as the reaction in which more reactive metal displaces a less reactive metal from its chemical reaction.

General equation representing single displacement reaction follows:

AB+C\rightarrow CB+A

C is more reactive element than element A.

The reactivity of metals is judged by the series known as reactivity series. Elements lying above in the series are more reactive than the elements lying below in the series.

  • 1. When solid lead metal is put in the beaker of 0.043 M Fe(NO_3)_2 solution.

Lead lies below in the reactivity series than iron. Thus, it will not replace iron from its chemical reaction.

Pb(s)+Fe(NO_3)_2(aq.)\rightarrow \text{No reaction}

  • 2. When solid iron metal is put in the beaker of 0.044 M Pb(NO_3)_2 solution.

Iron lies above in the reactivity series than lead. Thus, it will easily replace lead from its chemical reaction.

Fe(s)+Pb(NO_3)_2(aq.)\rightarrow Fe(NO_3)_2(aq.)+Pb(s)

Hence, the chemical equations are given above.

6 0
3 years ago
Plz help with chemistry quiz I’ll mark brainliest
nataly862011 [7]

Answer:

Among the given options which one best suits the definition of an element?

Explanation:

Element:

Element is the pure form of matter which cannot be broken down into new simpler substances either by physical or chemical means.

It is made up of the same type of atoms.

For example:

Copper, silver, gold, oxygen, etc.

Among the given options:

the third option that is elements are made of atoms is the correct option.

Remaining statements:

Elements are made up of complex chains of carbon and oxygen is wrong,

Elements can be broken down into other simpler substances is wrong.

Because we don't get any simpler substances from elements.

For example, if we break a gold rod many times also only its size varies and no new substance is obtained from it.

All elements have the same chemical properties is a wrong statement.

Because each element is unique and it has its own properties.

7 0
3 years ago
Combustion reactions are characterized by the reaction of a substance with
pashok25 [27]

Answer: Combustion reactions are characterized by the reaction of a substance with O2 to form one or more oxygen, often water. Combustion reactions emit heat, and they are important because most of society's energy is derived from them. Ex.: CH4 (g) + 2O2 (g) -- CO2 (g) + 2H2O (g)

Explanation: I hope thus helps UwU

8 0
3 years ago
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