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Harlamova29_29 [7]
3 years ago
7

What does the cell nucleus contain~

Chemistry
1 answer:
Aloiza [94]3 years ago
5 0

Answer:

A. Chromosome

Explanation:

Chromosomes carry the genetic info, and the nucleus stores it.

Hope this helps :D

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Calculate how many moles of water molecules were produced in the combustion of ethanol in oxygen.
nadya68 [22]

There  are 3 moles of water formed in the complete combustion of ethane.

<h3>What is Combustion Reaction? </h3>

Combustion is a chemical reaction between substances , usually including oxygen and usually accompanied by the generation of heat and light in form of flame.

For example , the wood burning in a fireplace. The wood is a fuel which continuously react with oxygen in the air in a combustion reaction.

When ethane goes for combustion

reaction ,

C2H6+7/2 O2→2CO2+ 3H2O

As you can see on the above reaction 3 moles of water molecules are produced .

to learn More about Combustion Reaction click here brainly.com/question/15117038

#SPJ9

8 0
2 years ago
The average atomic mass recorded on the periodic table for krypton is 83.80 u. This indicates that the most abundant isotope of
Trava [24]
Krypton-84 is the most abundant type of Krypton. The answer is C.

 If you need this to be explained, I  will do my best it's a bit difficult to say how to find it out, but I will if you need me to.
7 0
3 years ago
James decides to walk home from school today. He lives 3 miles from school and can walk home in 45 minutes. At what rate is Jame
Natasha2012 [34]
One mile every 15 minutes
7 0
3 years ago
¿Cuál era su juego favorito cuando eran niños?​
blagie [28]

Answer:

mi juego favorito probablemente sería Mine craft cuando era más joven, aunque sigue siendo uno de mis juegos favoritos

Explanation:

7 0
3 years ago
Which of the following does not apply to water molecules?
serg [7]

Answer:

It is the last one.

Explanation:

Water molecules are polar, they have cohesive properties, and water is less dense when it is solid than when it is a liquid, that is why ice floats in liquid water. However, water is a very good solvent, it can dissolve many solids, including sugar, salt, and other hydrophilic substances.

4 0
3 years ago
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