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3241004551 [841]
3 years ago
5

PLEASE HELP WILL MARK BRAINLIESTTTT!!!!

Chemistry
2 answers:
Brilliant_brown [7]3 years ago
7 0

Answer:

Iconic bond or covalent bond

Explanation:

Vikentia [17]3 years ago
4 0

Answer:

Valence electrons will either donate or receive electrons to form molecules.

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How many moles of gas would occupy a 25.0 liter when the temp is 22.0 degrees celsius and the pressure is 646 torr
Luda [366]

Answer:

0.877 mol  

Step-by-step explanation:

We can use the<em> Ideal Gas Law </em>to solve this problem.

pV = nRT     Divide both sides by RT

 n = (pV)/(RT)

Data:

p = 646 torr

V = 25.0 L

R = 0.082 06 L·atm·K⁻¹mol⁻¹

T = 22.0 °C

Calculations:

(a) <em>Convert the pressure to atmospheres </em>

p = 646 torr × (1 atm/760 torr) = 0.8500 atm

(b) <em>Convert the temperature to kelvins </em>

T = (22.0 + 273.15) K = 295.15 K

(c) <em>Calculate the number of moles </em>

n = (0.8500 × 25.0)/(0.082 06 × 295.15)

  = 0.877 mol

3 0
3 years ago
How to Convert 0.75g of nitrogen gas (N2) to liters.
Stells [14]

24

N2=22.4 liters

18g=22.4 litters

18÷.75=24

6 0
3 years ago
Explain the difference between elements and compounds, a teacher filled
stiv31 [10]

Answer:

Kindly check explanation.

Explanation:

So, without mincing words the solution to this particular Question is given below:

First, an ELEMENT is a that entity that has what is known as the atoms. Although, there might be more elements but the recognized elements are group into the periodic table/chart. Examples of elements are Hydrogen, Helium, Lithium, Beryllium, Boron, carbon, Nitrogen, oxygen, Fluorine, neon, sodium, magnesium, Aluminium and so on.

A COMPOUND consist of different elements that are chemically combined. Examples of compounds are; H2O, CaCO3, H2SO4, HNO3, MgCl2, NaCl, HCl and many more.

Also, elements has the same atoms while componds have different number of atoms since it is a combination of elements.

Finally, ELEMENTS can not be broken down through the use of chemical process while COMPONDS can be broken down through chemical processes.

To the second part of the question. The box that will represent elements will contain balls of the same colors and the balls are not joined together.

6 0
3 years ago
Chemical reactions cannot involve different states of matter. <br><br> True<br> False
ss7ja [257]

Answer:

False

Explanation:

I really have a strong hunch about my answer ,try that out....

HOPE IT HELPS YOU PO !!!!

6 0
3 years ago
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In the process of fossil formation, what materials replace the
Dahasolnce [82]
C. soil. If this isn’t C it’s definitely B.
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3 years ago
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