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AURORKA [14]
3 years ago
7

_____ and _______ are necessary for rusting.​

Chemistry
2 answers:
Anastaziya [24]3 years ago
3 0

Answer :-

<h3>Water and Air are necessary for rusting .</h3>

Evgen [1.6K]3 years ago
3 0

Answer:

Water and Oxygen are necessary for rusting.

Explanation:

<h2>HOPE IT HELPS U!!!! </h2>
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Which statement correctly compares barium nitrate (Ba(NO3)2) and scandium nitrate (Sc(NO3)3)?
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<h2>D. They contain the same number of elements.</h2>

Explanation:

The formula (Ba(NO3)2) contains 9 atoms.  

1 Barium atom (Ba)

Contains 2 NO3 groups -

    2 Nitrogen atoms (N) x 2

    6 Oxygen atoms (O3) x 2

3 Elements in total

The formula (Sc(NO3)3) contains 13 atoms.

1 Scandium atom (Sc)

Contains 3 NO3 groups -

    3 Nitrogen atoms (N) x 3

    9 Oxygen atoms (O3) x 3

3 Elements in total

They do not have the same number of atoms.

They do not have the same number of oxygen atoms.

They do not contain the same number of NO3 groups.

They do have the same number of elements.

8 0
4 years ago
A which layer of the Earth will Jaron's
larisa [96]

Answer:

The inner core

Explanation:

Well, Jaron's tunneling machine would find it quite impossible to even penetrate the crust.

Our dynamic earth is arranged in concentric layers with each shell at varrying physical state and chemical properties.

As we go down the earth, the temperature and pressure increases significantly. The innermost layer of the erth is the inner core and it is expected that the temperature and pressure here should be the greatest. The pressure in the inner core is so great that the materials that were supposed to be in molten form exists as solid in there.

3 0
3 years ago
Please answer for brainliest and if your answer is correct I'll give extra points. screenshot of the question is below.
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Concentration - 3

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8 0
3 years ago
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What two elements make up dihydrogen monoxide?
loris [4]

hydrogen and oxygen I believe

8 0
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Which ecosystem is the least stable?
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tundra bc it has barley any food source and has vary little inhabitants

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