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expeople1 [14]
2 years ago
11

Identify the elements and the number of atoms for each element in the following chemical formulas:

Biology
1 answer:
kvv77 [185]2 years ago
4 0
1. Note the amounts of atoms of all the component in HNO3, which are 1 atom of Hydrogen, 1 atom of Nitrogen and 3 atoms of Oxygen. Multiply each of the atomic weights by the amount of atoms of each element contained in the compound. Add up the results to obtain the molar mass: 1 + 14 + (16 x 3) = 63 gr/mole.
2. In one molecule of sodium sulfate, or Na2 SO4, there are seven atoms in all.
3. Magnesium dichloride is a magnesium salt comprising of two chlorine atoms bound to a magnesium atom. It is a magnesium salt, an inorganic chloride and a magnesium halide.
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Explanation:

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hope it helps!

7 0
3 years ago
If all 5' and 3' splice sites were always used to process the pre-mRNA into mRNA, how many possible distinct mRNA sequences woul
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The question lacks the diagram. The diagram has been attached below.

Answer:

1.

Explanation:

Exons may be defined as the coding region of the RNA whereas introns are the non coding region of the RNA. The introns must be removed out from the RNA to makes it functional molecule.

The splicing of the given molecule results in the formation of single mRNA. The 1 splicing of the introns remove intron A whereas the second splicing results in the removal of intron B. The functional mRNA consists of the mRNA with exon 1,2 and 3.

Thus, the answer is 1.

6 0
3 years ago
A student conducts an experiment where a thin piece of material is placed into a beaker to separate it into two halves. The stud
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1. Science has limits and cannot answer all questions. Define science, and then give an e question that science is able to answe
sattari [20]

Answer:

science is the study of the structure and behavior of our world and universe.

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5 0
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Answer: Nebula

Explanation:is a large cloud of gas

8 0
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