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2 years ago

What is the heaviest non radioactive element?

1 answer:

8 0

“Lead.” If you pose the same question to a chemist, they'll probably glance at the periodic table on the wall and respond “Bismuth.”

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Can you live without chemical reactions

Oliga [24]

Answer:

Explanation:

your body wouldnt be able to repair, move, or do anything for that matter if we didnt consistently have chemical reactions in us.

7 1

2 years ago

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Identify and label the Brønsted-Lowry acid, its conjugate base, the Brønsted-Lowry base, and its conjugate acid in each of the f

julia-pushkina [17]

Explanation:

As per Brønsted-Lowry concept of acids and bases, chemical species which donate proton are called Brønsted-Lowry acids.

The chemical species which accept proton are called Brønsted-Lowry base.

(a) $HNO_3 + H_2O \rightarrow H_3O^+ + NO_3^-$

$HNO_3$ is Bronsted lowry acid and $NO_3^-$ is its conjugate base.

$H_2O$ is Bronsted lowry base and $H_3O^+$ is its conjugate acid.

(b)

$CN^- + H_2O \rightarrow HCN + OH^-$

$CN^-$ is Bronsted lowry base and HCN is its conjugate acid.

$H_2O$ is Bronsted lowry acid and $OH^-$ is its conjugate base.

(c)

$H_2SO_4 + Cl^- \rightarrow HCl + HSO_4^-$

$H_2SO_4$ is Bronsted lowry acid and $HSO_4^-$ is its conjugate base.

Cl^- is Bronsted lowry base and HCl is its conjugate acid.

(d)

$HSO_4^-+OH^- \rightarrow SO_4^{2-}+H_2O$

$HSO_4^-$ is Bronsted lowry acid and $SO_4^{2-}$ is its conjugate base.

OH^- is Bronsted lowry base and $H_2O$ is its conjugate acid.

(e)

$O_{2-}+H_2O \rightarrow 2OH^-$

$O_{2-}$ is Bronsted lowry base and OH- is its conjugate acid.

$H_2O$ is Bronsted lowry acid and OH- is its conjugate base.

6 0

2 years ago

The average atomic masses of some elements may vary, depending upon the sources of their ores. Naturally occurring boron consist

frez [133]

Sorry I don’t know but good luck!

6 0

3 years ago

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Which soup would likely be more flavorful, a nicely heated but not too hot to eat bowl of soup or a bowl of leftover soup direct

ira [324]

Answer:

The soup that is not too hot to eat would be better

Explanation:

because the flavours would be fresher than if it is leftover

3 0

2 years ago

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Assume that a point mutation changes the codon AUU to AUC. Why is this a neutral mutation

lukranit [14]

I used the genetic code table. mRNA codon ===> amino acid

1st base 2nd base 3rd base
A U U ===> Isoleucine
A U C ===> Isoleucine

The point mutation of codon AUU to AUC is a neutral mutation because it neither benefits nor deter the ability of the organism to survive and reproduce.

As you can see, Both codons result to the Isoleucine amino acid.

Another codon that will still result to the Isoleucin amino acid is AUA.

3 0

2 years ago