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Rzqust [24]
3 years ago
10

How many electrons does each oxygen atom share with the other oxygen atom so that each atom has an octet?

Chemistry
1 answer:
MrMuchimi3 years ago
8 0
Oxygen shares two electrons of each to be octet .
EG: O=O
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In the reaction between bromine and sodium, a bromine atom gains an electron. What ion is formed? Is the bromine oxidized, or is
SVETLANKA909090 [29]

Answer: The ion formed after the reduction of bromine is Br^-

Explanation:

The electronic configuration of Sodium (Na) = [Ne]3s^1

The electronic configuration of Bromine (Br) = [Ar]3d^{10}4s^24p^5

From the above configurations, Sodium ion will loose 1 electron in order to gain stable electronic configuration and that electron is accepted by the Bromine atom because it is 1 electron short of the stable electronic configuration.

Na\rightarrow Na^++e^-   (oxidation reaction)

Br+e^-\rightarrow Br^-   (Reduction reaction)

Bromine atom is reduced to form Br^-

Reduction reactions are the reactions in which the element gain electrons.

Oxidation reactions are the reactions in which the element looses its electrons.

3 0
4 years ago
Read 2 more answers
How many grams of ammonia are produced when 1.0 mole of nitrogen reacts
Varvara68 [4.7K]

Answer: N2(g) + 3H2-> 2NH3(g)  This is the balanced equation

Note the mole ratio between N2, H2 and NH3.  It is 1 : 3 : 2  This will be important.

 

moles N2 present = 28.0 g N2 x 1 mole N2/28 g = 1 mole N2 present

moles H2 present = 25.0 g H2 x 1 mole H2/2 g = 12.5 moles H2 present

Based on mole ratio, N2 is limiting in this situation because there is more than enough H2 but not enough N2.

 

moles NH3 that can be produced = 1 mole N2 x 2 moles NH3/mole N2 = 2 moles NH3 can be produced  

grams of NH3 that can be produced = 2 moles NH3 x 17 g/mole = 34 grams of NH3 can be produced

 

NOTE:  The key to this problem is recognizing that N2 is limiting, and therefore limits how much NH3 can be produced.

Explanation: here you go!! good luck! hope this helped

7 0
3 years ago
How much energy is released when 33.8 g of water freezes? The heat of fusion for water is 6.02 kJ/mol.
zhuklara [117]

Answer:

11.29Kj

Explanation:

1. find moles of 33.8g of water

Molar mass of H2O: 18.02g/Mol

33.8/18.02= 1.88mols

2. find energy

1.88 x 6.02= 11.29Kj

5 0
3 years ago
How many dollars are in 140 dimes? using dimensional analysis
Nutka1998 [239]

Answer:

1 dollar

Explanation:

3 0
1 year ago
Which model of the atom is considered to be most accurate?
postnew [5]
The correct answer is B)wave mechanical. Hope that helps! If you have any questions about the answer i gave you please let me know!
7 0
3 years ago
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