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IrinaVladis [17]
2 years ago
6

2. The hydrogen and oxygen atoms chemically bond to form the

Chemistry
1 answer:
olasank [31]2 years ago
5 0

Answer:

True.

Explanation:

hydrogen and oxygen=water or hydrogen oxide

H+O2=H2O.

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3 years ago
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Calculate the volume of a 0.5M solution containing 20g of NaOH
Tju [1.3M]

Answer:

1L

Explanation:

First, let us calculate the number of mole present in 20g of NaOH. This is illustrated below:

Mass = 20g

Molar Mass of NaOH = 23 + 16 + 1 = 40g/mol

Number of mole =?

Number of mole = Mass /Molar Mass

Number of mole of NaOH = 20/40 = 0.5mol

From the question given, we obtained the following data:

Molarity = 0.5M

Mole = 0.5mole

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Molarity = mole /Volume

Volume = mole /Molarity

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6 0
3 years ago
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What is the density of a block marble that occupies 255 cm^3 and has a mass of 1000g
RUDIKE [14]

Answer:

<h2>3.92 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =  \frac{1000}{255}  \\  = 3.921568...

We have the final answer as

<h3>3.92 g/cm³</h3>

Hope this helps you

4 0
3 years ago
Describe the valence electrons in nitrogen and how it could bond to other atoms.
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Answer:

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