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2 years ago

Which element of the scientific process includes the greatest amount of information about living things?

1 answer:

7 0

I would say its hydrogen, as it makes 51% of the cell constituents. This is followed by oxygen, which makes up 24% of the cell, and then carbon which is present as 11% of the total mass. Nitrogen makes up 4% of the cell, followed by other elements like phosphorous.

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Forensic toxicology involves not only the area of toxicology, but also the use of areas such as analytic chemistry and pharmacol

grandymaker [24]

Answer:

The answer is True

Explanation:

Forensic toxicology involves or employs or uses disciplines such as analytical chemistry, pharmacology and clinical chemistry to aid medical or legal investigation.

3 0

3 years ago

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Which will have the MOST kinetic energy?

Alenkasestr [34]

Answer:

should be B

because the player has more mass than the puck

Explanation:

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2 years ago

Gina made a poster for plastic recycling week and included this information on her poster:

Aloiza [94]

Answer:

Gina Should Put Rubber Tires Under The Synthetic Category

Gina Should Put Starch Under The Natural Category

Explanation:

Edge 2020

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3 years ago

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What is one energy transformation that is taking place in the photo?

Galina-37 [17]

I'm guessing the photo means photosynthesis. In that case, it is solar energy to chemical energy. Radiant energy and solar energy is kind of the same thing, so 4th answer.

4 0

2 years ago

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How many molecules are in 41.8 g of sulfuric acid

Anton [14]

Answer

× 10²³ molecules are in 41.8 g of sulfuric acid

Explanation

The first step is to convert 41.8 g of sulfuric acid to moles by dividing the mass of sulfuric acid by its molar mass.

Molar mass of sulfuric acid, H₂SO₄ = 98.079 g/mol

$Mole=\frac{Mass}{Molar\text{ }mass}=\frac{41.8\text{ }g}{98.079\text{ }g\text{/}mol}=0.426187053\text{ }mol$

Finally, convert the moles of sulfuric acid to molecules using Avogadro's number.

Conversion factor: 1 mole of any substance = 6.022 × 10²³ molecules.

Therefore, 0.426187053 moles of sulfuric acid is equal

$\frac{0.426187053\text{ }mol}{1\text{ }mol}\times6.022×10²³\text{ }molecules=2.57\times10^{23}\text{ }molecules$

Thus, 2.57 × 10²³ molecules are in 41.8 g of sulfuric acid.

3 0

7 months ago