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2 years ago

When coal goes through combustion it releases nitrogen and sulpur into the air in the form of what

Chemistry

1 answer:

katen-ka-za [31]2 years ago

7 0

Answer:

Over time, the plant matter transforms from moist, low-carbon peat, to coal, All types of coal also contain sulfur, which, when burned, releases toxic air pollution. Sulfur All this coal comes from mines, which are either underground or run on diesel—a major source of air toxins, nitrogen oxide, and soot.

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1.) 3.3482 hL =__________nL

Taya2010 [7]

Answer:

334820000000nL

Explanation:

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2 years ago

The order of elements in the periodic table is based on the atomic number.

Gnoma [55]

Yes it is for example look at Iodine and Tellurium.
Hope this helps :).

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2 years ago

What is the volume (in dm3 of 1 mole of oxygen at 5 MPa and 200 K?

vodka [1.7K]

<u>Answer:</u> The volume of oxygen gas is $0.332dm^3$

<u>Explanation:</u>

To calculate the volume of the gas, we use the equation given by ideal gas equation:

$PV=nRT$

where,

P = pressure of the gas = 5 MPa = 5000 kPa (Conversion factor: 1 MPa = 1000 kPa)

V = Volume of gas = 3.34 L

n = number of moles of oxygen gas = 1 mole

R = Gas constant = $8.31dm^3\text{ kPa }mol^{-1}K^{-1}$

T = Temperature of the gas = 200 K

Putting values in above equation, we get:

$5000kPa\times V=1mol\times 8.31dm^3\text{ kPa }mol^{-1}K^{-1}\times 200K\\\\V=0.332dm^3$

Hence, the volume of oxygen gas is $0.332dm^3$

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2 years ago

Which statement correctly describes a sample of gas confined in a sealed container? (1) It always has a definite volume, and it

Luda [366]

A gas does not have a specific shape or volume (so we reject option A), instead it adjusts itself to the container (which is further influenced by other forces such as gravity and temperature) and it with time, willl fill the whole container evenly, so the correct answer is:
(2) It takes the shape and the volume of any container in which it is confined

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2 years ago

Give examples of two properties of water that are caused by the attractions between water molecules.

solniwko [45]

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2. Waters high polarity.

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2 years ago