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Mashcka [7]
3 years ago
6

The ion mn2+ has how many unpaired electrons

Chemistry
1 answer:
photoshop1234 [79]3 years ago
3 0
It has 5 unpaired electrons
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Rina8888 [55]
Electronic distribution of iron Fe²+

1s^2,2s^2,2p^6,3s^2,3p^6,3d^6,4s^2

26 -  2 = 24 electrons

hope this helps!

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What are the answers to these questions
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1. Coal (B)

Explanation:

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3 years ago
Read 2 more answers
GOOD REWARD<br> I will report those who gives random answers.
Helen [10]

Answer:

3 mol AlCl₃.

Explanation:

Hello!

In this case, according to the specified reactants and products, it is possible to set up the following balanced chemical reaction:

Al(NO_3)_3+3NaCl\rightarrow 3NaNO_3+AlCl_3

Whereas we evidence the 1:3 mole ratio between aluminum nitrate and sodium chloride; thus, since different moles were reacting, we need to identify the limiting reactant by computing the moles of AlCl₃ produced by each reactant as follows:

n_{AlCl_3}^{by\ Al(NO_3)_3}=4molAl(NO_3)_3*\frac{1molAlCl_3}{1molAl(NO_3)_3} =4molAlCl_3\\\\n_{AlCl_3}^{by\ NaCl}=9molNaCl*\frac{1molAlCl_3}{3molNaCl} =3molAlCl_3

Thus, we infer that NaCl is the limiting reactant as it produces the fewest moles of AlCl₃; consequently the produced amount of this product is 3 mol.

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5 0
3 years ago
A sodium bromide solution is added to a beaker containing aqueous chlorine. What would happen?
Darya [45]

Answer:

See detailed explanation.

Explanation:

Hello!

In this case, for the described chemical reaction, we can proceed as follows:

A) For the complete chemical reaction we note down every reacted and produced species as well as the proper balancing process:

2NaBr(aq)+Cl_2(aq)\rightarrow 2NaCl(aq)+Br_2(g)

In which gaseous bromine may give off.

B) The dissociated ionic equation requires the ionization of the aqueous species in ions, expect for chlorine which is not ionized:

2Na^+(aq)+2Br^-(aq)+Cl_2(aq)\rightarrow 2Na^+(aq)+2Cl^-(aq)+Br_2(g)

C) For the net ionic equation we cancel out the sodium ions as they are at both reactants and products:

2Br^-(aq)+Cl_2(aq)\rightarrow +2Cl^-(aq)+Br_2(g)

D) Based on C) we infer that the spectator ions here are the sodium ions.

Best regards!

6 0
3 years ago
Express the process of cellular respiration as a chemical equation
yan [13]
C6H12O6 + 6O2 >> 6Co2 + 6H2o + energy 
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3 years ago
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