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Ira Lisetskai [31]
3 years ago
11

How do you dispose of an unknown chemical

Chemistry
1 answer:
melisa1 [442]3 years ago
6 0
The chemical contractor has to retrieve the chemical and a identification analysis would have to be conducted
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Using the periodic table, find the molecular mass of H2. H2 = g/mole
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Which analogy best represents a supersaturated solution? an empty elevator that has a maximum load of 20 people a single person
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Looking at the car in the picture above, explain how the electrons act to form this compound that is on the surface of the car,
dmitriy555 [2]

Answer:

The correct answer is "Iron and oxygen act as Fe3+ and O2− ions respectively, forming rust (Fe₂O₃) in the presence of water by the formation of an ionic bond".

Explanation:

Rust is formed when iron reacts with oxygen in the presence of water (either if the iron is submerged or exposed to moisture in the air), forming the chemical compound Fe₂O₃. The presence of water is needed for rust formation because iron and oxygen act as ions when they are exposed to water, particularly Fe3+ and O2− ions respectively. The bond formed between these two elements are ionic bonds, because it is comprised of the reaction between a metal (iron) and a non-metal (oxygen).

5 0
3 years ago
What information does an empirical formula give?
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Answer:

C. The lowest whole-number ratio of atoms in a molecule.

Explanation:

Hello there!

In this case, according to the definition of the empirical and the molecular equations, it is possible for us to consider the following example of molecular formula, C4H10, whose empirical formula is C2H5.

In such a way, it is possible for us to say that the empirical formula gives C. The lowest whole-number ratio of atoms in a molecule, as it is the result of the simplification of the molecular formula when possible.

Regards!

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3 years ago
Energy and frequency are
il63 [147K]
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