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3 years ago

When nitrogen and magnesium form an ionic bond, what is the formula?

Chemistry

2 answers:

prisoha [69]3 years ago

8 0

Mg ^+2 N^-3

Mg3N2. Magnesium nitride. I believe this would be the chemical formula.

BaLLatris [955]3 years ago

5 0

<u>Answer:</u> The chemical formula for the given compound is $Mg_3N_2$

<u>Explanation:</u>

Magnesium is the 12th element of the periodic table having electronic configuration of $[Ne]3s^2$

This element will loose 2 electrons and form an oxidation state of +2 units.

Nitrogen is the 7th element of the periodic table having electronic configuration of $[He]2s^22p^3$

This element requires 3 electrons and thus shows an oxidation state of -3 units.

By criss-cross method, the oxidation state of the ions gets exchanged and this form the subscripts of the other ions. It results in the formation of a neutral compound.

Thus, the chemical formula for the given compound is $Mg_3N_2$

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3 years ago

In the reaction, Zn(s) + 2 HCl(aq) --> ZnCl2 (aq)+ H2(g), 25 grams of Zn are reacted with 17.5 g of HCl. How many grams of H2

Gennadij [26K]

Answer:

0.480 g of H₂ are produced, in the reaction.

Explanation:

This is the reaction:

Zn(s) + 2HCl → ZnCl₂ (aq) + H₂ (g)

We havethe mass of both reactants, so we must work with them to find out the limiting reactant and then, determine the amount of H₂ produced.

Let's convert the mass to moles ( mass / molar mass)

25 g / 65.41 g/mol = 0.382 moles Zn

17.5 g / 36.45 g/mol = 0.480 moles HCl

Ratio is 1:2, so 1 mol of Zn react with the double of moles of HCl.

0.382 moles of Zn would need the double of moles to react, so (0.382 .2) = 0.764 moles of HCl. → We only have 0.480 moles, so the acid is the limiting.

Now let's determine the moles of H₂ formed.

Ratio is 2:1, so If i take account the moles I have, I will produce the half of moles of my product.

0.480 moles / 2 = 0.240 moles of H₂ are produced.

To find out the mass, we must multiply mol . molar mass

0.240 mol . 2g/mol = 0.480 g

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When does a gas directly change into a solid

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Read 2 more answers

use the internet to look up the sds for 2.0 m sodium hydroxide naoh to answer the following question a) list the potential acute

VashaNatasha [74]

A safety data sheet is informational data that states the properties of the various chemicals. According to the SDS of NaOH, it causes irritation, nausea, eye burn, burns in the digestive system, etc.

SDS is abbreviated for a safety data sheet which is a document that provides information on the chemicals including the properties, health hazards, measures, safety, prevention, etc.

According to SDS, NaOH results in various potential acute health effects including vomiting, diarrhea, nausea, irritation, etc. The chronic effect includes coma, burns in the eye, respiratory infection, digestive system, dermatitis, etc.

Therefore, sodium hydroxide has various acute and chronic health effects.

Learn more about SDS, here:

brainly.com/question/2471127

#SPJ4

Your question is incomplete, but most probably your full question was, Use the internet to look up the sds for 2.0 m sodium hydroxide, NaOH, to answer the following question: list the potential acute and chronic health effects.

6 0

2 years ago