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kozerog [31]
3 years ago
13

What element has the same number of valence electrons as argon

Chemistry
1 answer:
Ahat [919]3 years ago
7 0

Answer: There are two elements actually and those elements are Carbon and Silicon

Explanation:Plz mark brainliest if im right

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The force of attraction between one polar molecule and another polar molecule is​
Keith_Richards [23]

Answer:

Dipole-dipole forces

Explanation:

A polar compound is that compound which contains atoms that have a difference in charges i.e electrostatic attraction occurs between its constituent atoms. Polar molecules are attracted to other polar molecules with opposite charges and her held together with the aid of certain forces

The attractive force between the negative part of a polar molecule (-) and the positive part of another polar molecule (+) is called DIPOLE-DIPOLE FORCES. This dipole-dipole force gets stronger with an increasing polarity of the molecules involved.

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3 years ago
Jesim wants to help Nancy understand the movement that happens during one Earth year, Jassim holds a small globe representing Ea
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The answer is D jessim should spin the glove quickly while walking in a circle around nancy.
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3 years ago
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if the volume of a gas contracted from 648 mL to 0.15L, what was its final pressure if it started at a pressure of 485 kpa
bija089 [108]

Answer:

2100 kPa

Explanation:

The temperature is constant, so the only variables are pressure and volume.

We can use Boyle’s Law.

p₁V₁ = p₂V₂     Divide both sides of the equation by V₂

p₂ = p₁ × V₁/V₂  

p₁ = 485 kPa; V₁ =              648 mL  

p₂ = ?;            V₂ = 0.15 L = 150 mL      Calculate p₂

p₂ = 485 × 648/150

p₂ = 2100 kPa

4 0
3 years ago
Need help !!!!! ASAP
Oksi-84 [34.3K]
<h2>Hello!</h2>

The answer is:

The approximate volume is 9.84 L.

V=9.84L

<h2>Why?</h2>

Since we are given the numer of moles, the temperature and the pressure of the gas, we can calculate the approximate volume using The Ideal Gas Law.

The Ideal Gas Law is based on Boyle's Law, Gay-Lussac's Law, Charles's Law, and Avogadro's Law, and it's described by the following equation:

PV=nRT

Where,

P is the pressure of the gas.

V is the volume of the gas.

n is the number of moles of the gas.

T is the absolute temperature of the gas (Kelvin).

R is the ideal gas constant, which is equal to:

R=0.082\frac{atm.L}{mol.K}

So, we are given the information:

n=1.5mol\\Temperature=300K\\Pressure=3.75atm

Now, substituting the given information and isolating the Volume from The Ideal Gas Law equation, we have:

PV=nRT

V=\frac{nRT}{P}

3.75atm*V=1.5mol*0.082*\frac{atm.L}{mol.K}*300K

V=\frac{ 1.5mol*0.082*\frac{atm.L}{mol.K}*300K}{3.75atm}\\\\V=\frac{36.9atm.L}{3.75atm}=9.84L

So, the approximate volume is 9.84 L.

V=9.84L

Have a nice day!

7 0
4 years ago
What is the question tag for Lynne speaks french and German <br>​
KATRIN_1 [288]

Answer:

Doesn't she or (he)

Explanation:

i hope this works

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3 years ago
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