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gayaneshka [121]
2 years ago
10

What is the F-Xe angle in the molecule - F; Xe * F_{2} (Xe has three lone pairs of electrons )?

Chemistry
1 answer:
Vanyuwa [196]2 years ago
6 0

The molecule has a Linear shape with a bond angle of 180  degrees.

<h3>What is bond angle?</h3>

Bond angle refers to the dihedral angle between two atoms that are connected to the same central atom. The central atom in this case is Xe.

We are told that there are three lone pairs of electrons that surround Xe. It then follows that the molecule has a Linear shape with a bond angle of 180  degrees.

Learn more about bond angle: brainly.com/question/6179102

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what is the inferred pressure, in million of atmospheres, in Earth's interior at a depth of 2900 kilometers?
NemiM [27]

Answer:

1.4 millions atmospheres

Explanation:

8 0
3 years ago
Give an example of each of the following chemical changes.
Andrews [41]

Answer:

Give an example of each of the following chemical changes.

(a) A photochemical reaction involving

(i) silver salt

(ii) water

(b) A reaction involving

(i) blue solution

(ii) formation of dirty green precipitate

(c) Two gases combine to form white solid.

(d) A reaction where colour change is noticed.​

Explanation:

a) A photochemical reaction involving  silver salt is used in black and white photography.

AgCl breaks down and converts into Ag during this photochemical reaction.

(ii) Photochemicalreaction involving water takes place in plants during the photosynthesis process.

Plants prepare food(carbohydrate) by using sunlight water and CO2 gas.

(b) A reaction involving

(i) blue solution:

For example reaction of copper sulfate solution with an iron nail.

When an iron nail is placed in CuSO4 blue color solution, then it changes to green color and reddish-brown solid deposits at the bottom of the container.

(ii) Reaction of ferrous sulfate with NaOH forms a dirty green precipitate of ferrous hydroxide.

(C) Two gases combine and form a white solid:

For example when HCl gas reacts with ammonia gas, then a white solid of ammonium chloride will be formed.

(d)  A reaction where the color change is noticed.:

When an iron nail is placed in CuSO4 blue color solution, then it changes to green color and reddish-brown solid deposits at the bottom of the container.

7 0
3 years ago
A 275 g sample of a metal requires 10.75 kJ to change its temperature from 21.2 oC to its melting temperature, 327.5 oC. What is
Vlada [557]

Answer:

c=0.127\ J/g^{\circ} C

Explanation:

Given that,

Mass of the sample, m = 275 g

It required 10.75 kJ of heat to change its temperature from 21.2 °C to its melting temperature, 327.5 °C.

We need to find the specific heat of the metal. The heat required by a metal sample is given by :

Q=mc\Delta T

c is specific heat of the metal

c=\dfrac{Q}{m\Delta T}\\\\c=\dfrac{10.75\times 10^3\ J}{275\times (327.5 -21.2)}\\\\=0.127\ J/g^{\circ} C

So, the specific heat of metal is 0.127\ J/g^{\circ} C.

4 0
2 years ago
Write a short story in about 150 to 200 words based on the image given below​
antoniya [11.8K]
Dude, writing someone else’s story or essay isn’t allowed, so i’ll just give some pointers

so the dude on the throne, a monarch, most likely the king, has a diamond or some other precious object in his hand. meanwhile, there’s a dude sitting on the floor, he looks unhappy, distressed, and maybe a little surprised. so what do you think happened to get to this point? what or who gave the king the diamond? why is the dude on the floor upset? then what’s going to happen? what’s the upset dude gonna
do? what’s the king gonna do? think of answers to the questions and it should start to form
6 0
2 years ago
The same amount of heat is removed from 2kg of water and from 1kg of water starting at the same temperature. What happen?
Luda [366]
The temperature of the 1 kg water will be lower.
Q=mcΔt
Q1= 1kg*c*Δt(1)
Q2= 2kg*c*Δt(2)

Q1=Q2
 1kg*c*Δt(1) = 2kg*c*Δt(2)
 Δt(1) = 2Δt(2)
We can see that change in temperature for 1 kg will be 2 times more that change in temperature for 2 kg of water.
5 0
3 years ago
Read 2 more answers
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