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garik1379 [7]
4 years ago
5

An abandoned Indiana coal mine spoil bank (wastes) contains chunks of pyrite minerals. Under constant erosion and weathering, th

e pyrites leach large amounts of sulfuric acid (H2SO4). The spoil banks are also mixed with large quantities of basic limestone and clay carbonates. What should occur over time?
Chemistry
1 answer:
Minchanka [31]4 years ago
7 0

Answer:

The acid will be neutralized overtime

Explanation:

The presence of the pyrites leads to the leaching of large amounts of sulphuric acid, however the basic carbonates neutralizes the acid according to the reaction equation;

CaCO3 + H2SO4 ---> CaSO4 + CO2 + H2O.

This will prevent all the deleterious consequences associated with the leaching of the acid in the abandoned coal mine.

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If an atom of Bromine (Br) becomes an ion, which of the following does it most likely form?
lawyer [7]

Answer:

An atom of Bromine (Br) forms an ion and becomes Br⁻

Explanation:

  • Atoms of elements gain or lose electron(s) to attain a stable configuration and form ions.
  • When an atom gains electron(s) it forms a negatively charged ion called an anion.
  • For example, Bromine is a halogen and its atom requires to gain one electron to attain stability and form a bromine ion (Br⁻).
  • When an atom loses electron(s) it forms a positively charged ion called a cation.
  • For instance, atoms of calcium(Ca) requires to lose two electrons to attain stability and form calcium ion (Ca²⁺).

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A characteristic of an organism; can be genetic or acquired
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Genetic: an organism uses energy for cellular respiration, and has all the genes necessary to make the proteins to accomplish it.
8 0
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arsenic has an atomic number of 33 and an atomic mass of 75 amu. how many protons are in the element? help is very appreciated!
KengaRu [80]

Answer:

33

Explanation:

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8 0
2 years ago
How much heat is absorbed if 75.4 g of CO2 reacts?
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Answer:

6x

Explanation:

7 0
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Read 2 more answers
Which equation best represents the balanced net ionic equation for the reaction that occurs when aqueous solutions of lithium ph
forsale [732]

Answer:

2 PO₄³⁻(aq) + 3 Mg²⁺(aq) ⇒ Mg₃(PO₄)₂(s)

Explanation:

Let's consider the molecular equation that occurs when aqueous solutions of lithium phosphate and magnesium nitrate are mixed.

2 Li₃PO₄(aq) + 3 Mg(NO₃)₂(aq) ⇒ 6 LiNO₃(aq) + Mg₃(PO₄)₂(s)

The complete ionic equation includes all the ions and insoluble species.

6 Li⁺(aq) + 2 PO₄³⁻(aq) + 3 Mg²⁺(aq) + 6 NO₃⁻(aq) ⇒ 6 Li⁺(aq) + 6 NO₃⁻(aq) + Mg₃(PO₄)₂(s)

The net ionic equation includes only the ions that participate in the reaction and insoluble species.

2 PO₄³⁻(aq) + 3 Mg²⁺(aq) ⇒ Mg₃(PO₄)₂(s)

8 0
3 years ago
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