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Lapatulllka [165]
4 years ago
5

Which of the following absorbs most of the harmful UV radiation from the sun? Ozone Oxygen Carbon dioxide Sulfur dioxide

Chemistry
2 answers:
Oksana_A [137]4 years ago
8 0

the correct answer is ozone

katen-ka-za [31]4 years ago
6 0

A( Ozone.

The amount of Ozone in the actual Ozone Layer is quite small, yet still important because it absorbs most of the harmful UV (Ultraviolet) radiation from the Sun.

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Express250,000ml in liters
frutty [35]

Answer:

250,000 ML is equal to 250 Liters.

Explanation:

The term 'Mili' multiplies the term 'Liter' by 1,000. Per every liter is 1000 milliliters.

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3 years ago
What did timbuktu contributed to mali's important as a kingdom
Alex73 [517]
Timbuktu was considered a MASSIVE trade center in Mali. That is how all of the foreign goods came into the kingdom. It also had education centers which was very important in Mali.
5 0
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Which of the following is a correctly balanced reaction equation?
kompoz [17]

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Explanation:

6 0
2 years ago
7.744 Liters of nitrogen are contained in a container. Convert this amount to grams.
Xelga [282]

Answer:

9.69g

Explanation:

To obtain the desired result, first let us calculate the number of mole of N2 in 7.744L of the gas.

1mole of a gas occupies 22.4L at stp.

Therefore, Xmol of nitrogen gas(N2) will occupy 7.744L i.e

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Now let us convert 0.346 mole of N2 to gram in order to obtain the desired result. This is illustrated below:

Molar Mass of N2 = 2x14 = 28g/mol

Number of mole N2 = 0.346 mole

Mass of N2 =?

Mass = number of mole x molar Mass

Mass of N2 = 0.346 x 28

Mass of N2 = 9.69g

Therefore, 7.744L of N2 contains 9.69g of N2

7 0
4 years ago
What’s the fastest way to balance chemical equations
Anon25 [30]

Hey there!

The best way to balance chemical equations is to first start by balancing polyatomic ions such as OH and SO₄.

Next, balance other elements, but save elements that are by themselves for last, such as H₂ or Fe. Once you balance everything else you can do the ones by themselves, it's much easier.

Hope this helps!

6 0
3 years ago
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