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mars1129 [50]
4 years ago
6

What subscripts would properly complete the formula unit Al_N_?

Chemistry
2 answers:
Zanzabum4 years ago
8 0
The subscripts that would properly complete the formula unit would be 1 for both. This compound is  called aluminum nitride. It is a ceramic type of material that which has outstanding properties. Hope this answers the question. Have a blessed day.
navik [9.2K]4 years ago
7 0

Answer: The value of subscript to complete the given formula will 1 and 1 for both the elements

Explanation:

AL_xN_y

In the given formula Al is the symbol of aluminium metal and N is symbol of nitrogen atom.

Aluminium has tendency to looses three electrons from its valence shell to attain noble gas configuration where as nitrogen atom has tendency to gain three electrons to attain noble gas configuration. By loosing three electrons aluminium atom will get converted into aluminium cation with 3+ charge (AL^{3+})and by gaining three electrons nitrogen atom will get converted into nitride ion (N^{3-}). So, if the transfer of three electrons from aluminum atom to nitrogen atom occurs, the compound we will obtain will be AlN that is aluminum nitride.

Hence, the value of subscript to complete the given formula will :x=1, y=1


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A chemist determines by measurements that 0.0850 moles of oxygen gas participate in a chemical reaction. Calculate the mass of o
Shtirlitz [24]

Answer:

The mass of oxygen that participates is 2.72g

Explanation:

Oxygen gas is O2.

O2 has the molar mass of approximately 32.

Mass can be calculated by multiplying the molar mass and the moles.

Moles = Mass/Molar mass

therefore, Mass= Moles*Molar mass

Which is equal to 32*0.085= 2.72g

8 0
3 years ago
A gas mixture contains 3.0 mol of hydrogen (H2) and 7.3 mol of nitrogen (N2). The total pressure of the mixture is 304 kPa. What
Inga [223]

Answer:

Mole fraction H₂ = 0.29

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Explanation:

You need to know this relation to solve this:

Moles of a gas / Total moles = Partial pressure of the gas / Total pressure

Total moles = 3 mol + 7.3 mol → 10.3 moles

Mole fraction H₂ → 3 moles / 10.3 moles = 0.29

Mole fraction = Partial pressure of the gas / Total pressure

0.29 . 304 kPa = Partial pressure of H₂ → 88.5 kPa

5 0
4 years ago
In scientific notation, the number 0.00262 is expressed as
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Answer:

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5 0
3 years ago
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<u />

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