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zhuklara [117]
3 years ago
15

DNA coils tightly during division and assembles into visible..

Chemistry
2 answers:
miss Akunina [59]3 years ago
7 0
Chromosomes or sister chromatids

Alenkinab [10]3 years ago
4 0

the answer is chromosomes


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Complete the chemical equation for the formation reaction of ethyl alcohol (C2H5OH,l) from its constituent elements in their sta
oee [108]

Answer:

2C(s, graphite)+ 3H₂(g) + ½O₂(g) ⟶ C₂H₅OH(ℓ)  

Explanation:

The thermodynamic standard state of elements and compounds is defined as their most stable state at 25 °C and 1 bar

The elements in ethanol, C₂H₅OH, are C, H, and O.

Their most stable states at standard conditions are C₂H₅OH(ℓ), C(s, graphite), H₂(g), and O₂(g)

The equation for the formation of ethanol from its elements is  then

2C(s, graphite) + 3H₂(g) + ½O₂(g) ⟶ C₂H₅OH(ℓ)

4 0
3 years ago
Which phrase is the best definition for the word common in environmental science?
andreev551 [17]
I believe that the best definition of the word common in environmental science is a typical resource. A typical resource is a resource that is not hard to find and is very common. The answer to the question will hence be A.
The answer could not be the other three choices because a shared resource is a resource that is used by more than one organism in the environment. A worthless resource is one that has no use in the environment while a rare resource is one that is hard to find.
7 0
3 years ago
Read 2 more answers
How must atoms change so that they can join to form an ionic compound
Zina [86]
Atoms must gain or lose electrons in order to become ions if they are to form ionic bonds.
7 0
3 years ago
Write the chemical equation of in elements
Scilla [17]

Answer : The balanced chemical reaction will be:

CuO+H_2SO_4\rightarrow CuSO_4+H_2O

Explanation :

As per question when copper(II) oxide react with sulfuric acid then it gives copper(II) sulfate and water.

This reaction is known as double displacement reaction in which cation of two reactants exchange their places to give two different products.

The balanced chemical reaction will be:

CuO+H_2SO_4\rightarrow CuSO_4+H_2O

8 0
4 years ago
Select the correct answer from each drop-down menu. How are real gases different from ideal gases? Real gases differ from ideal
lawyer [7]

They have a mass for the particles

There are no totally elastic collisions

There are intermolecular forces

8 0
4 years ago
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