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3 years ago

OXIDATION ELECTRON TRANSFER

Chemistry

1 answer:

AfilCa [17]3 years ago

5 0

Answer:

Loss of electrons

Explanation:

Oxidation occurs in a redox reaction where electrons are transferred from one reactant to another.

The loss of electrons is called oxidation.
The gaining of electrons is called reduction.
The reactant that causes oxidation is called the oxidizing agent
The reactant that causes reduction is called the reduction agent

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QUESTION 17

borishaifa [10]

Question 17:

False; cutting hair would change what it looks like but, braiding it keeps it the same substance it is.

Question 18 :

My best guess would either be A or D. I would lean more towards D because if there are different mixtures then it depends on what you are mixing.

Hope it helps in some way. <3

5 0

3 years ago

19. What is sthe mass of 6.02 x 1024 atoms

alekssr [168]

The mass of magnesium in $6.02 \times 10^{24}$ atoms is 240 g.

Answer: Option A

<u>Explanation:</u>

First, we have to convert the atoms to moles of magnesium.

We know that $6.02 \times 10^{24}$ atoms are present in 1 mole of magnesium. So,

$\text { 1 atom }=\frac{1}{6.02 \times 10^{24}} \text { moles }$

$6.02 \times 10^{24} \text { atoms }=\frac{6.02 \times 10^{24}}{6.02 \times 10^{23}} \text { moles }=10 \text { moles }$

Thus,

$Mass of M g= molar mass of M g \times No. of moles of M g$

$\text { Mass of } M g=24 \times 10=240 g$

Thus, 240 g of Magnesium is present in $6.02 \times 10^{24}$ atoms.

4 0

3 years ago

A solid substance turns directly into a gas. Which term describes this change?

igomit [66]

Sublimation.

Since evaporation is liquid into gas, melting is solid into liquid and deposition is the geological process where sediments are added to land forms.

8 0

3 years ago

Read 2 more answers

Typically, Adams gain or lose electrons to achieve A. An exchange of energy B. Ionization C. A stable electron configuration D.

Marina86 [1]

They lose electorens and they D. Vaporized

3 0

3 years ago

What is the number of electrons shared between the atoms in a molecule of nitrogen, N2

Murljashka [212]

Answer:

3 electrons is contributed from each Nitrogen atom.

Total 6 electrons are shared in N₂.

Explanation:

Nitrogen is belong to group VA
it have 5 electron in its outer most Shell.
it need 3 electrons complete its octet to become stable.
Nitrogen have total 7 electrons.
its atomic number is 7

The electronic configuration of Nitrogen is as:

1s², 2s², 2p³

it exist in diatomic form standard temperature and pressure.

Nitrogen form covalent bond and share 3 electron from each side.

total 6 electron are shared between 2 nitrogen atom.

For Covalent bonding it can share its 3 electrons.

The diagrammatic representation is in attachment.

5 0

3 years ago