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Aleonysh [2.5K]
2 years ago
15

Why does a lone pair of electrons occupy more space around a central atom than a bonding pair of electrons?

Physics
1 answer:
Inessa [10]2 years ago
5 0

Answer:

The lone pair of electrons occupy more space because the electrostatic force becomes weaker.

Explanation:

When there is a bond pair of electrons in the 2 positively charged the atomic nuclei draw the electron density towards them, thereby reducing the bond diameter.

In the case of the lone pair, only 1 nucleus is present, and the enticing electrostatic force becomes weaker and the intensity of the electrons will be increases. Therefore, the lone pair occupies more space than the pair of bonds.    

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A force of 120 N is applied to the front of a sled so as to pull the sled a distance of 165
Marrrta [24]

Answer:

<h3>The answer is 19,800 J</h3>

Explanation:

The work done by an object can be found by using the formula

<h3>workdone = force × distance</h3>

From the question

force = 120 N

distance = 165 m

We have

work done = 120 × 165

We have the final answer as

<h3>19,800 J</h3>

Hope this helps you

8 0
3 years ago
Give me advantages and disadvantages of sustainable energy:​
AVprozaik [17]
An advantage of sustainable energy is that it diversifies the energy supply and reduces importance on imported fuels.
A disadvantage is that all types of gaining access to sustainable energy requires a lot of space/ land. This may prevent important necessities such as housing to not have enough land. Hope this helps ;)
5 0
2 years ago
A 64-kg skater initially at rest throws a 4.0-kg medicine ball horizontally to the left. Suppose the ball is accelerated through
maxonik [38]

Explanation:

64-kg skater initially at rest throws a 4.0-kg medicine ball horizontally to the left. Suppose the ball is accelerated through a distance of 1.0 mm before leaving the skater's hand at a speed of 7.0 m/s. Assume the skater and the ball to be point-like and the surface to be frictionless and ignore air resistance. Use a vertical y-axis with the positive direction pointing up and a horizontal x-axis with the positive direction pointing to the right.

Required:

a. Determine the acceleration of the ball during the throw.

b. Determine the acceleration of the skater during the throw.

7 0
2 years ago
Read 2 more answers
when two capacitor 3muF and 6muF are connected in a parallel and combination is charged to a potential of 120 volt the potential
Lunna [17]

Answer:

V₁ = V = 120 V

Explanation:

Such a combination of capacitors in which;

1- Potential difference across each capacitor is the same

2- Total charge is distributed amongst the capacitors

; is called Parallel Combination.

Therefore, in this case, the potential difference across each capacitor will also be the same. Because the capacitors are connected in parallel here. So the voltage across 3 μF capacitor will be the same as the voltage across the 6 μF capacitor and they both will be equal to the total potential difference.

<u>V₁ = V = 120 V</u>

4 0
2 years ago
If you drop an object from a height of 1.4 m, it will hit the ground in 0.53 s. If you throw a baseball horizontally with an ini
insens350 [35]

Answer:

The ball to hit the ground in 0.53 s.

Explanation:

Given that,

Height = 1.4 m

Time t = 0.53 s

Initial speed = 35 m/s

We need to calculate the time when the ball to hit the ground

Using equation of motion

s_{y}=u_{y}t-\dfrac{1}{2}gt^2+h_{0}

Where, s= vertical height

u= vertical velocity

t = time

h = height

Put the value in equation

0=0-\dfrac{1}{2}\times9.8\times t^2+1.4

t^2=\dfrac{1.4}{4.9}

t=\sqrt{\dfrac{1.4}{4.9}}

t=0.53\ s

Hence, The ball to hit the ground in 0.53 s.

5 0
3 years ago
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