3 years ago

Please help will mark Brainly

Chemistry

1 answer:

Murljashka [212]3 years ago

5 0

C: tt

Remember, individuals must have two alleles for a gene, so someone could be homozygous dominant (EE), homozygous recessive (ee), or heterozygous (Ee). In this example, the recessive trait is having attached earlobes and is only seen in someone with the genotype ee (homozygous recessive)

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How many H atoms are in 6.43g x 10^24 molecules of water

kow [346]

Answer:

$12.86\times 10^{24}$ atoms of hydrogen

Explanation:

The molecular formula for a water molecule is $H_2O$ .

From the above formula, we can conclude that 1 molecule of water contains 2 atoms of hydrogen and 1 atom of oxygen.

There are $6.43\times 10^{24}$ molecules of water.

1 molecule of water = 2 atoms of hydrogen.

∴ $6.43\times 10^{24}$ molecules of water = $2\times 6.43\times 10^{24}=12.86\times 10^{24}$ atoms of hydrogen.

Therefore, there are $12.86\times 10^{24}$ atoms of hydrogen in $6.43\times 10^{24}$ molecules of water.

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Rb has larger radius.

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What is the correct way to represent the ionic compound sodium flouride

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The answer to that is: NaF

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A chemist dissolves silver nitrate (AgNO₃) in water. He also dissolves ammonium chloride (NH₄Cl) in water. He mixes the two solu

Leviafan [203]

Answer: $AgNO_3(aq)+NH_4Cl(aq)\rightarrow AgCl(s)+NH_4NO_3(aq)$

Explanation:

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.

The balanced chemical equation for reaction of silver nitrate in water.and ammonium chloride in water to give precipitate of silver chloride :

$AgNO_3(aq)+NH_4Cl(aq)\rightarrow AgCl(s)+NH_4NO_3(aq)$

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What happens to non metal when they combine with other elements

DaniilM [7]

Answer:

They gain electrons..

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