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Ipatiy [6.2K]
2 years ago
11

Which statement best describes the law of conservation of mass? (1 point)

Chemistry
1 answer:
lisov135 [29]2 years ago
6 0

Matter cannot be created or destroyed in a chemical reaction best describe law of conservation of mass.

<h3>What is law of conservation of mass?</h3>

The law of conservation of mass states that for any system closed Mass can neither be created not destroy. the mass of the system must remain constant over time,.

Therefore, Matter cannot be created or destroyed in a chemical reaction best describe law of conservation of mass.

Learn more about law of conservation of mass here.

brainly.com/question/15289631

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Which member of each pair of compounds forms intermolecular H bonds? Draw the H-bonded structures in each case:
sveticcg [70]

FCH₂CH₂F will form Intermolecular Hydrogen bond

FCH₂CH₂F has H-F atoms linked together by Hydrogen bond whereas in HOCH₂CH₂OH here, carbon is linked with oxygen and oxygen is again linked with Hydrogen.

<h3>What is Intermolecular Hydrogen bond ?</h3>

Intermolecular hydrogen bonding refers to the formation of hydrogen bonds between molecules of the same or distinct substances. As an illustration, consider hydrogen bonds in water, alcohol, ammonia, etc.

  • An illustration. (i) hydrogen connection between the hydrogen fluoride molecules. (ii) The hydrogen bond in molecules of alcohol or water

  • Atoms within a molecule are held together by intramolecular forces. There are forces between molecules known as intermolecular forces.

Learn more about Hydrogen bond here:

brainly.com/question/1420470

#SPJ4

3 0
2 years ago
Complete the following: layers: Earth as _____: Sun
Maslowich

Answer:

D. Gas

Explanation:

The correct option is D.

Just like the sun, there is a layer of the earth that is gas. It is known as the atmosphere.

The earth's atmosphere is known to be a layer of gases that are surrounded by the earth and retained by the earth's gravity. The gases in the earth actually contain roughly 78% nitrogen, 21% oxygen, 0.97% argon and carbon dioxide, 0.04% trace amounts of other gases, and water vapor. This combination of gases is commonly called air.

5 0
3 years ago
3. If a cation replaces an anion, the compound would have 2 positive charges. Why would this never happen
Jet001 [13]

A cation will not replace an anion in a compound because the two positively-charged ions will repel each other.

<h3>Ions</h3>

Ions are atoms or group of atoms possessing an electrical charge.

  • Positively-charged ions are known as cations.
  • Negatively-charged ions are known as anions.

<h3>Ionic compounds</h3>

Ionic compounds are compounds which are composed of oppositely charged ions held together by strong electrostatic forces of attraction between the oppositely charged ions.

  • From law of electrostatics, like charges repel and unlike charges attract.

If a cation replaces an anion, the compound would have two l positive charges which will repel each other.

Therefore, a cation will not replace an anion in a compound because the two positively-charged ions will repel each other.

Learn more about ions and electrostatics at: brainly.com/question/13690700

3 0
3 years ago
Name the following alkene:<br> CH3CH2CH2CH2CH = CH2
Alexandra [31]

Answer:

1-hexene. is your answer.

3 0
3 years ago
Read 2 more answers
I will give you a brainliest.
Zina [86]

answer= 0.912 L or 912 mL

M(KClO3) =  122.55 g/mol

3.00 g KClO3 * 1  mol/122.55 g = 3.00/122.55 mol =0.02449 mol                

                          2KCIO3(s)=2KCI(s) + 3O2(g)

from reaction      2 mol                         3 mol

given                   0.02449 mol              x

x = 0.02449*3/2 =0.03673 mol O2

T = 24 + 273.15 = 297.15 K

PV = nRT

V= nRT/P = (0.03673 mol*0.082057 L*atm/K*mol*297.15 K)/0.982 atm =

= 0.912 L or 912 mL

8 0
3 years ago
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