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Marina CMI [18]
3 years ago
5

Calculate the number of mols of oxygen and required to produce 260g of mgo by burning mg metel​

Geography
1 answer:
sladkih [1.3K]3 years ago
5 0

Answer:

jdjd

Explanation:

ssjsjjsjssssssssssss

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What gases are present in the Earth’s atmosphere and in what proportions?
babunello [35]

Answer:

Per order of the gas amount present in the atmosphere and in accordance with what was reported by the NASA we can find expressed in proportion, the following gases:

Molecular Nitrogen--------0,7808

Molecular Oxygen---------0,2094

Argon---------------------0,00934  

Carbon Dioxide----------0,00035

Neon-----------------0.00001818

Helium--------------0.00000524

Methane--------0.00000170

Krypton---------0.00000114

Hydrogen-------0.00000055

Explanation:

The Earth’s atmosphere is composed of many gases. Nitrogen is the main constituent gas, which represents around of 78% or 0,78 in proportion. Per order of the gas amount present in the atmosphere and in accordance with what was reported by the NASA we can find expressed in proportion, The following gases:

Molecular Nitrogen--------0,7808

Molecular Oxygen---------0,2094

Argon---------------------0,00934  

Carbon Dioxide----------0,00035

Neon-----------------0.00001818

Helium--------------0.00000524

Methane--------0.00000170

Krypton---------0.00000114

Hydrogen-------0.00000055

In addition of these gases, small amounts of water vapor can be present to.  

I hope it helps you

3 0
3 years ago
Could you help me with geography
SOVA2 [1]
1. E
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4 0
3 years ago
How do we locate and extract petroleum fossil fuels
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Answer:

<h2>Petroleum that is worthwhile extracting is usually found trapped in layers of permeable rocks by other layers of impermeable rock, but more recently reserves of gas and oil are being extracted from shale which is an impermeable rock but is porous in the sense that there are spaces (pores) within its structure in which ...</h2>

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3 years ago
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kifflom [539]
It’s relative location because your saying what area it’s in not the actual location
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3 years ago
Which of the following is not essential in the formation of black shale units?
melamori03 [73]

Answer:

B. Aerobic bottom water

D. High organic productivity in the overlying oxygen rich water

Explanation:

A Shale is a sedimentary rock usually formed from silt and clay-size mineral. There are different colors of Shale. The Black Shale is formed under anaerobic conditions. This means that oxygen is deficient in the water where the Shale forms.

A little amount of organic materials is required for the formation of Black Shale and because Black Shale is formed in an environment lacking oxygen, an oxygen-rich water would not be necessary for its growth. Sediments are necessary in the formation of Black Shale.

6 0
3 years ago
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