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adelina 88 [10]
2 years ago
8

Meaning of rust and rusting​

Chemistry
2 answers:
alexdok [17]2 years ago
8 0

Rust is a coating that occurs on the surface of iron as it oxidizes. Rust is also known as iron oxide and corrosion. This chemical compound comes in many different combinations of iron and oxygen. Rust is reddish-orange in color.

Rusting is an oxidation reaction. The iron reacts with water and oxygen to form hydrated iron(III) oxide, which we see as rust. Unlike rust, which can flake off the surface of iron and steel objects, the layer of aluminium oxide does not flake off

Yuki888 [10]2 years ago
7 0

Answer:a reddish- or yellowish-brown flaky coating of iron oxide that is formed on iron or steel by oxidation, especially in the presence of moisture.

Explanation: so basically rusting happens when a metal comes in contact with moisture and air, at a brown, dirty metal coat forms on it.

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D. the organism is able to survive and reproduce more than others in it's environment

Explanation:

It will only go extinct if it can't survive or reproduce.

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During chemical weathering, forsterite is dissolved by the carbonic acid in rainwater. The weathering reaction is as follows:
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Answer:

Keqq = 310

Note: Some parts of the question were missing. The missing values are used in the explanation below.

Explanation:

<em>Given values: ΔH° = -178.8 kJ/mol = -178800 J/mol; T = 25°C = 298.15 K; ΔS° = -552 J/mol.K; R = 8.3145 J/mol.K</em>

Using the formula ΔG° = -RT㏑Keq

㏑Keq = ΔG°/(-RT)

where ΔG° = ΔH° - TΔS°

㏑Keq = ΔH° - TΔS°/(-RT)

㏑Keq = {-178800 - (-552 * 298.15)} / -(8.3145 * 298.15)

㏑Keq = -14221.2/-2478.968175

㏑Keq = 5.73674166

Keq = e⁵°⁷³⁶⁷⁴¹⁶⁶

Keq = 310.05

4 0
3 years ago
How many moles of hydrogen do you need to react with 0.85 moles of nitrogen?
katen-ka-za [31]

Answer:

6 moles

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Why did the flame of the burning match or splint go out sodium carbonate and hcl?
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<span>The flame goes out on a burning match when sodium carbonate and hydrochloric

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