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zaharov [31]
3 years ago
9

What are the merits of Mendeleev's periodic table? ​

Chemistry
2 answers:
MAXImum [283]3 years ago
8 0

Answer:

This is off topic but does anyone wanna talk? I'm bored.....

Explanation:

german3 years ago
4 0

Answer:

This law states that the physical and chemical properties of the elements are the periodic function of their atomic masses. This means that when the elements are arranged in the order of their increasing atomic masses, the elements with similar properties recur at regular intervals.

Explanation:

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Sodium reacts with water to form a colorless solution of sodium hydroxide and hydrogen gas.
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Answer True or False for each of the following statements. (a) The carburization surface was maintained at slightly less than 0.
fomenos

Answer:

verdadero/a

falso/b

verdadero/c

Explanation:

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What is produced during the replacement reaction of Cu(NO3) and zn
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Answer:

Cu, Zn(NO3)2

Explanation:

Zn is more reactive than Cu, so Cu will be displaced (replaced) in the reaction above.

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In the name, iron(III) oxide, the (III) represents
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3 years ago
A gas mixture contains the following gases with the mole fractions indicated: nitrogen (0.21), oxygen (0.16), carbon dioxide (0.
alukav5142 [94]

Answer:

Mole fraction Ar = 0.31

Explanation:

Remember that the sum of the mole fractions in a mixture of gases = 1

Mole fraction = Moles from a gas / Total moles

Mole fraction N₂+ Mole fraction O₂+ Mole fraction SO₂+ Mole fraction CO₂ + Mole fraction Ar = 1

N₂ = 0.21

O₂= 0.16

CO₂ = 0.23

SO₂ = 0.09

Mole fraction Ar = 1 - 0.21 - 0.16 - 0.23 - 0.09

Mole fraction Ar = 0.31

4 0
3 years ago
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