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dmitriy555 [2]
3 years ago
11

In a metal lattice, the metal ions are _____ and they are _____.

Chemistry
1 answer:
den301095 [7]3 years ago
5 0

Answer:

a.)cations; free to move around

b.)cations; fixed in place

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Annie learns that the compound sulfuric acid is called the universal chemical. The acid is used in everything from gasoline to p
pochemuha

Answer:

D. H2SO4

Explanation:

The chemical  formula of a compound is an expression that stares out the elements (in form of symbols)present in a compound and the number of the atoms.

In the image;

There is one sulphur (S) atom, 4 oxygen(O) atoms and 2 hydrogen (H) atoms

The chemical formula is;

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The correct option is option D.

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Describe three different scenarios where a chemical process or reaction shows an increase in entropy.
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The request is characterized as knowing where things are and having the capacity to discover and utilize the things. 
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3 years ago
when 6.25 grams of pure iron are allowed to react with oxygen , a black oxide forms. if the product weighs 8.15 g, what is the e
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We are given with the mass of  pure iron that reacts with oxygen to form an oxide which has a given mass as well. the mass of oxygen reacted is 8.15-6.25 g or 1.9 grams. THen we convert the mass of the reactants to moles. Iron is equal to 0.1119 moles and oxygen is equal to 0.1188. We divide each number to the less amount. Hence iron is 1 and oxygen is approx 1. The empirical formula hence is FeO or ferrous oxide or Iron (II) oxide.
5 0
3 years ago
Explain why ionic compound do not form molecules.
Darina [25.2K]

Answer:

Because a molecule, by definition, has a valence of zero

(neutral charge, stable). Also by definition, an ion has a positive

or negative charge or valence and is not stable.

Explanation:

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Marking anybody who got it the brainliest​
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I can't open pdf.......

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