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34kurt
2 years ago
6

What is the leaving group when converting a carboxylic acid to an ester?.

Chemistry
1 answer:
Ksju [112]2 years ago
6 0

Answer:

Hydroxyl group of the carboxylic acid is destined to leave and the oxygen of the alcohol moiety stays with its hydrogen destined to leave.

Hope this helps, please let me know if I'm wrong.

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Copper wire is used in electrical wiring because the metallic bonding between the atoms aids with the ___________ of the materia
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electrons can move freely through the material

7 0
3 years ago
How much energy would be absorbed as heat by 75 g of iron when heated from 295 k to 301 k?
Katen [24]

Answer:

Q=202.5J

Explanation:

Hello,

In this case, the increase in the temperature involves the addition of heat that is defined in terms of mass, heat capacity and temperature:

Q=mCp(T_2-T_1)

In this case, the heat capacity of iron is 0.450 J/(g*K), thus the heat results:

Q=75g*0.450\frac{J}{g*K}*(301-295)K\\\\Q=202.5J

In such a way, since the temperature is increased heat is added, that is why it is positive.

Best regards.

4 0
4 years ago
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Question
Ksju [112]

Answer: Science and Mathematics- Anthropologist, Meteorologist

Engineering and technology- Fuel Cell Technician, Computer programmer, electrical Drafter, Civil Drafter

6 0
3 years ago
When did the level of oxygen in Earth's atmosphere become high enough to sustain aerobic respiration? When did the level of oxyg
Alexeev081 [22]

Answer:

2.4 billion years ago

Explanation:

  • The formation of the tertiary atmosphere, with the re-arrangements of the plates, took  that influenced the long term evolution of the planet that transferred the carbon dioxide to the large continental stores and the surplus oxygen came into formation about 2.4 billion years ago during the massive oxygenation event that leads to the appearance at the end of the banded iron formations.  
  • The process of photosynthesis also added and reduced the material that reduces the oxidation of the atmosphere and kept ion place till 15% of the Precambrian period had ended.
7 0
3 years ago
Waves that require a medium through which to travel are electromagnetic waves. True or False?
aev [14]

Answer:

True

Explanation:

Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate.

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3 years ago
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