All categories

4 years ago

Two atoms with an electronegativity difference of 0.4 form a bond that is

Chemistry

1 answer:

vaieri [72.5K]4 years ago

6 0

Answer: The correct answer is 3.

Explanation:

Ionic bond is defined as the bond formed when there is complete transfer of electrons from one atom to another atom. Example: NaCl

Covalent bond is defined as the bond formed when there is sharing of electrons between two atoms. The atom which takes the shared pair of electron towards itself is known as electronegative atom. Example: HCl

Dependency of electronegativity difference on ionic and covalent polar bond:

If the electronegativity difference is greater than 0 and less than 2.0, then the bond is covalent polar in nature and it shares the electrons.

And if the electronegativity difference is 2.0 or greater, then the bond is ionic polar in nature and the electrons are transferred from one atom to another.

As, the electronegativity difference given is 0.4, so the bond will be covalent and sharing of electrons will be there.

You might be interested in

A mixture of helium, nitrogen and oxygen has a total pressure of 756 mmHg. The partial

Karolina [17]

Answer:

The partial pressure of oxygen in the mixture is 296 mmHg.

Explanation:

The pressure exerted by a particular gas in a mixture is known as its partial pressure. So, Dalton's law states that the total pressure of a gas mixture is equal to the sum of the pressures that each gas would exert if it were alone.

This relationship is due to the assumption that there are no attractive forces between the gases.

So, in this case, the total pressure is:

PT=Phelium + Pnitrogen + Poxygen

You know:

PT= 756 mmHg
Phelium= 122 mmHg
Pnitrogen= 338 mmHg
Poxygen= ?

Replacing:

756 mmHg= 122 mmHg + 338 mmHg + Poxygen

Solving:

756 mmHg - 122 mmHg - 338 mmHg = Poxygen

Poxygen= 296 mmHg

<u><em>The partial pressure of oxygen in the mixture is 296 mmHg.</em></u>

6 0

3 years ago

What is the progression of a space rock as it from space to Earth’s surface?

Bezzdna [24]

I think that's called "Trajectory"

3 0

4 years ago

Read 2 more answers

How many moles are represented by 3.01 - 1023 helium atoms?

Pavlova-9 [17]

Answer:

0.5 mol

Explanation:

Given data:

Number of atoms of He = 3.01 ×10²³

Number of moles = ?

Solution:

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 6.02 × 10²³ is called Avogadro number.

1 mole = 6.02 × 10²³ atoms

3.01 ×10²³ atoms × 1 mol / 6.02 × 10²³ atoms

0.5 mol

7 0

3 years ago

The urinary bladder is a muscular organ of the excretory system that collects urine excreted by the kidney. How does the nervous

Arlecino [84]

Explanation:

it helps in when the kidney has used the needful nutrients been taken then the unwanted waste product it sends it to the nervous system then the nervous system passes the waste product to the bladder in form of urine

3 0

3 years ago

In the electrolysis of water, how long will it take to produce 165.0 L of H2 at 1.0 atm and 273 K using an electrolytic cell thr

vladimir2022 [97]

In the electrolysis of water, 3490 hour will it take to produce 165.0 L of H2 at 1.0 atm and 273 K using an electrolytic cell through which the current is 113.0 mA.

<h3>What is Ideal Gas Law ?</h3>

The ideal gas law states that the pressure of gas is directly proportional to the volume and temperature of the gas.

It is expressed as

PV = nRT

where,

P = Pressure

V = Volume in liters

n = number of moles of gas

R = Ideal gas constant

T = Temperature in kelvin

Here,

P = 1.0 atm

V = 165.0 L

R = 0.0821 atm. L/mol.K (Ideal gas constant)

T = 273 K

n = ?

Now put the value in above expression, we get

PV = nRT

1.0 atm × 165.0 L = n × 0.0821 atm. L/mol.K × 273 K

165.0 atm. L = n × 22.4 atm. L/mol

$n = \frac{165.0\ \text{atm. L}}{22.4\ \text{atm. L/mol}}$

n = 7.36 mol

The reaction is

2H⁺ + 2e⁻ → H₂

1 mol of electrons is produced from 96500 C

So,

$96500 \frac{C}{\text{mol} \times e} \times 2e \times 7.36\ \text{mol}$

<em>= </em>1,420,480 C

<u>Convert milliampere to C/s</u>

1mA = 0.001 C/s

113.0 mA = 113.0 × 0.001

= 0.113 c/s

<h3>What is relationship between current, charge and time ?</h3>

The relation between current, charge and time is expressed as:

$I = \frac{Q}{t}$

where,

I = Current

Q = Charge in Coulomb

t = time

Now put the value in above formula we get

$I = \frac{Q}{t}$

$= \frac{1,420,480\ C}{0.113\ C/s}$

= 12,570,619.469 s

= 3490 hour

Thus from the above conclusion we can say that In the electrolysis of water, 3490 hour will it take to produce 165.0 L of H2 at 1.0 atm and 273 K using an electrolytic cell through which the current is 113.0 mA.

Learn more about the Ideal Gas Law here: brainly.com/question/25290815

#SPJ4

5 0

2 years ago