Based on the electron configuration of the two

Chemistry

1 answer:

Lena [83]3 years ago

5 0

Answer:

3:1

Explanation:

Lithium is a group 1 element. This means it would donate one electron to form the cation.

Nitrogen on the other hand is a group 5 element. It would accept 3 electrons to form the anion.

This means there has to be three lithium atoms, each donating an electron each to the nitrogen atom for a compound to be formed.

The formular for the ionic compound would be given as;

Li₃N

Hence the ration is 3:1

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PLEASE HELP WITH THESE TWO QUESTIONS

adelina 88 [10]

1. Q=112.8 kJ

2. Q=5.01 kJ

<h3>Further explanation</h3>

The heat required for phase change :

melting/freezing :

Q = mLf

Lf=latent heat of fusion

vaporization/condensation

Q = mLv

Lv=latent heat of vaporization

m=50 g=0.05 kg

Lv (water) = 2256 kJ/kg

$\tt Q=0.05\times 2256=112.8~kJ$

m=15 g=0.015 kg

Lf for water = 334 kj/kg

$\tt Q=0.015\times 334=5.01~kJ$

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Write the formula equation for the reaction between hydroiodic acid and beryllium hydroxide

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The formula equation for the reaction between hydroiodic acid and beryllium hydroxide is as below

Be(OH)2 + 2 HI = BeI2 + 2H2O

Formula of hydroiodic is = HI
formula of beryllium hydroxide = Be(OH)2

1 mole of Be(OH)2 react with 2 mole of HI to form 1 mole of BeI2 and 2 mole of H2O

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What depends on public opinion and support?

Musya8 [376]

Answer:

It's C

Explanation:

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Seasonal variation on earth is due to the

Iteru [2.4K]

The tilt of the Earth on its axis is what causes the seasons.