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Akimi4 [234]
3 years ago
5

What is the net ionic equation for the reaction of alum (KAl(SO4)2.12H2O.) and KOH?

Chemistry
1 answer:
Lesechka [4]3 years ago
7 0
<span>The net ionic equation for the reaction of alum (KAl(SO4)2.12H2O.) and KOH is </span>the solid AlOH3  formed.
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Both prokaryotes and eukaryotes have small, free-floating organelles. The cell makes these organelles from nucleic acids and ami
serg [7]

Answer:

C. ribosomes

Explanation:

Both prokaryotic and eukaryotic cells contain certain structures called ORGANELLES. They possess some in common and others are not found in one or the other. According to this question, a small, free-floating organelle made from nucleic acid and amino acid is found in both eukaryotes and prokaryotes. This organelle is RIBOSOMES.

Ribosomes are organelles responsible for the synthesis of protein in both eukaryotes and prokaryotes. They can be found free-floating or attached to endoplasmic reticulum. Ribosomes are predominantly made of RNA (nucleic acid) and proteins i.e. Ribosomal RNA (rRNA) and proteins is their structural constituent. Hence, the organelle in this question is RIBOSOME.

5 0
3 years ago
Darwin's theorized that three conditions were necessary for natural selection to occur, which of the following is NOT one of the
Mekhanik [1.2K]

Answer:

The correct option is: stable environment

Explanation:

According to the Darwin's theory, natural selection is the concept by which all the small useful variations of traits are preserved.

According to Darwin, there are three <u>necessary and sufficient conditions</u> for the occurrence of natural selection:

1. struggle for existence

2. variation

3. inheritance

These conditions are said to be necessary because if these conditions are not satisfied then natural selection does not occur.

These conditions are said to be sufficient because if these conditions are satisfied, then natural selection will most definitely occur.

8 0
3 years ago
Which of the following is the correct formula for Ca2+ reacting with NO2??
mariarad [96]

Answer:

B. Ca(NO2)2

Explanation:

Ions (charged atoms) combine with one another to form stable ionic compounds. In this case, calicium ion (Ca2+) is said to react with NO2, which has a charge of -1 i.e. +1-1(2) = 1-2 = -1.

This means that calcium has a charge of +2 while nitrite ion has charge of -1, hence, when they combine, they exchange their charges, which become their subscript as follows:

Ca2+ + NO2- → Ca(NO2)2

Ca(NO2)2 is a stable ionic compound called calcium nitrite. Notice that it takes two atoms of NO2- to react with one atom of Ca2+.

5 0
3 years ago
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Anika [276]

Answer:

complex

Explanation:

becaause it fits in the words equation I hoped i helped

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3 years ago
Why is dilute, not concentrated, hydrochloric acid used during preparation of cyclohexaanol?
lorasvet [3.4K]
I think <span>500 m but i just think i dont know </span>
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