All categories

3 years ago

In a Lewis diagram for methane (CH4), which atom or atoms is inside, or central?

Chemistry

2 answers:

Ahat [919]3 years ago

7 0

Answer:

B carbon

Explanation

Lewis structure or dot structure is an easy way to get the bonding details of atoms in a molecule. If we talk about methane molecule carbon is central atom with four electrons that are bonded to four hydrogen atoms and each bond is single covalent bond.

Please see attached figure,

Hope it helps!

Marat540 [252]3 years ago

5 0

Answer:

B) carbon

Explanation:

A Lewis structure depicts the distribution of valence electrons around the atom. Since it is the valence electrons that are involved in the formation of chemical bonds, Lewis structures are therefore an import tools for visualizing molecular geometries.

In the given molecule methane, CH₄:

the valence configuration for C = 2s²2p²

the valence configuration for H = 1s¹

Since two electrons are required to form a bond, the C atom in methane can form one bond with each of the 4 H atoms. Therefore, in the Lewis diagram, the C atom will be in the center surrounded by the 4 H atoms.

You might be interested in

You and your roommates have already decided to spend a week volunteering in the relief effort over the winter break, but in orde

Vlada [557]

Answer:

I dont know the answer for that question it's hard question isn't it

5 0

3 years ago

Read 2 more answers

Compound is a clear liquid with a strong pleasantly fruity smell. If cooled it freezes at about. In the solid state it does not

son4ous [18]

Answer:

Compound 3 is a clear liquid with a strong pleasantly fruity smell. If cooled it freezes at about −10°C. In the solid state it does not conduct electricity. ... It dissolves slightly in water, and a solution of 2g in 100mL of water doesn't change the electrical conductivity of the water.

5 0

2 years ago

When 15.3 g of sodium nitrate, NaNO3,was dissolved in water in a calorimeter, the temperature fell from 25.00oC to 21.56oC. If t

satela [25.4K]

Answer:

20.468 kilo Joules is the enthalpy change when one mole of sodium nitrate dissolves.

Explanation:

Heat lost by solution ad calorimeter = Q

Heat capacity of solution ad calorimeter = C = 1071 J/°C

Change in temperature = ΔT = 21.56°C - 25.00°C = -3.44°C

$Q=C\times Delta T$

$Q=1071 J/^oC\times (-3.44^oC)=-3,684.24 J$

Heat gained by sodium nitrate = -Q = -(-3,684.24 J)=3,684.24 J

Moles of sodium nitrate = $\frac{15.3 g}{85 g/mol}=0.18 mol$

When 0.18 mole of sodium nitrate was dissolved in water 3,684.24 joulesof heat was absorbed by it.

Then heat absorbed by 1 mole of sodium nitrate :

$\frac{3,684.24 J}{0.18}=20,468 J=20.468 kJ$

1 J = 0.001 kJ

20.468 kilo Joules is the enthalpy change when one mole of sodium nitrate dissolves.

8 0

3 years ago

Name and describe one carrier opportunity for someone interested in taxonomy

weeeeeb [17]

Answer: One carrier interested in taxonomy is a veterinarian

Explanation:

Veterinarians as said, are interested in taxonomy. They are interested with animal organisms of all types with all species of animals. Hope this helps. Let me know if you need anything else.

5 0

2 years ago

Find the number of molecules in .815 mole of O2

Simora [160]

Answer:

4.9 × 10²³ molecules

Explanation:

Given data:

Number of molecules = ?

Number of moles of oxygen = 0.815 mol

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ molecules

0.815 mol × 6.022 × 10²³ molecules / 1 mol

4.9 × 10²³ molecules

6 0

2 years ago