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Basile [38]
3 years ago
12

In a chemical reaction, an iron atom became the ion Fe2+. What happened to the iron atom?

Chemistry
2 answers:
Tems11 [23]3 years ago
6 0
Iron atom is oxidized or you can say it loses 2 electrons.
Sindrei [870]3 years ago
4 0

It lost electrons and was oxidized

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A piece of metal with a mass of 611 g is placed into a graduated cylinder that contains 25.1 ml of water, raising the water leve
jeka94

Mass of metal piece is 611 g and volume of graduated cylinder is 25.1 mL. When metal piece is placed in the graduated cylinder water level increases to 56.7 mL. The increase in volume is due to volume of metal piece that gets added to the volume of water.

Thus, volume of metal piece can be calculated by subtracting initial volume from the final one.

V_{metal}=V_{final}-V_{initial}=(56.7-25.1)mL=31.6 mL

Thus, volume of metal piece will be 31.6 mL. The mass of metal piece is given 611 g, density of metal can be calculated as follows:

d=\frac{m}{V}=\frac{611 g}{31.6 mL}=19.33 g/mL

Therefore, density of metal is 19.33 g/mL.

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3 years ago
What is the difference between a theory and a scientific law?
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Scientific laws and theories have different jobs to do. A scientific law predicts the results of certain initial conditions. ... In contrast, a theory tries to provide the most logical explanation about why things happen as they do.
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Reika [66]

Answer:

7. 3–ethyl–6 –methyldecane

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Explanation:

It is important to note that when naming organic compounds having two or more different substituent groups, we simply name them alphabetically.

The name of the compound given in the question above can be written as follow:

7. Obtaining the name of the compound.

Compound contains:

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Naming alphabetically, we have

3–ethyl–6 –methyldecane

8. Obtaining the name of the compound.

Compound contains:

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Naming alphabetically, we have

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Answer:

1) The overlap of the p orbitals of the carbon-carbon π bond would be lost

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Unlike simple bonds, a double bond can not rotate, since it is not possible to twist the ends of the molecule without breaking the π bond.

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natima [27]

Answer:

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