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Pavlova-9 [17]
3 years ago
9

20 points! Help please

Chemistry
2 answers:
Olin [163]3 years ago
5 0

Answer: 2N2O3 -> 2N2 + 3O2

Explanation:

Anton [14]3 years ago
4 0

Answer:

2 2 3

Explanation:

2N2O3=2N2+3O2.. ....

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Fundamental differences in the cell, the basic unit of life, allow for broadest classification of all living organisms into thre
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Empirical formula of a compound is CH3. If the molar mass of the
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                             HERE WE TAKE CH3,

                      C = 1 × 12 = 12g

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How to balance barium and oxygen yield barium oxide
olga55 [171]
Barium : Ba^{+2} with +2 being the charge
Oxygen : O^{-2} with -2 being the charge

The given equation can be written as:
Ba + O = BaO

Since the sum charges of Barium and Oxygen equals 0, there is no need to add subscripts.

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3 years ago
How much heat would need to be absorbed for 40g of ice to melt?
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3 years ago
There are 4.78 g of dry LICIO4 and
astraxan [27]

Answer:

The number of moles of H₂O is 0.135 mol.

The number of moles of LiClO₄ is 0.0449 mol.

Explanation:

Mole is an important standard unit used for the measurement of large quantities of atoms, molecules, or other particles. One mole is equal to 6.022×10²³ units.

The number of moles of a substance is calculated by:

\frac{mass of substance}{molecular weight of  substance}

To find the number of moles of H₂O:

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Number of moles = \frac{2.43}{18.02} = 0.135 mol.

To find the number of moles of LiClO₄:

Mass of LiClO₄ given = 4.78g

The molecular weight of LiClO₄ = 106.39g

Number of moles = \frac{4.78}{106.39} = 0.0449 mol.

Learn more about Moles here:

brainly.com/question/855186

#SPJ2

4 0
2 years ago
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