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Juliette [100K]
3 years ago
10

4. Mineral used as fuel.

Chemistry
2 answers:
Lubov Fominskaja [6]3 years ago
7 0

Answer:

coal

Explanation:

coal is used to heat water boiler

NemiM [27]3 years ago
3 0

Answer:

The mineral fuels—coal, petroleum, and natural gas—may be described as a special type of economic deposit. Geochemically they represent the concentration of carbon and hydrogen by processes that were initially biological in nature.

Explanation:

thank me later

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Under which conditions of temperature and pressure, the real gas behave ideally?​
labwork [276]

Answer:

A real gas will act as an ideal gas under high temperature and at a low pressure.

Real gases are non-ideal gases whose molecules occupy space and have interactions, consequently, they do not adhere to the ideal gas law.

An ideal gas has molecules that occupy negligible space and have no interactions, and which consequently obeys the gas laws exactly.

Explanation:

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2 years ago
Select the best definition of salt water:
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Water that contains large amounts of disolved salts
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2 years ago
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For each problem, define whether you are calculating for a scalar or vector quantity. Show your work to receive full credit.
Maslowich

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I dont get what you need help with

Explanation:

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3 years ago
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What is the molar mass of H3PO4? (atomic mass: H = 1.01, P = 30.97, O = 15.99)​
Sphinxa [80]

Answer:

98

Explanation:

molar mass of H3PO4=(3×1)+(31)+(4×16)=3+31+64=98

5 0
3 years ago
Which of the following atoms will have the same electron configuration?
chubhunter [2.5K]

Answer:

I. N−3

III. F−1

Explanation:

A positive charge indicates a loss of electrons whereas a negative charge denotes electron gain.

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So, the solution to this problem will be two species with the same number of electrons:

    Nitrogen in neutral state has 7 electrons, on gaining 3 the electrons becomes 10

   Fluorine in neutral state has 9 electrons, on gaining 1 more, it will have 10 electrons.

7 0
3 years ago
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