Definition a visual representation of data that uses unconnected plotted points

Chemistry

1 answer:

Vesna [10]6 months ago

3 0

A horizontal exempted is a bit tight but I think it’s a good idea

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1. Which is not true of binary compounds?

nignag [31]

Pretty sure it's b but not an definitely

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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.

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5 months ago

In your own words, explain how multiple approaches to a scientific investigation can be used to obtain the same result. Provide

aleksandr82 [10.1K]

Answer:B

Explanation:

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2 years ago

What is the formula for percent yield

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I think it is 89.3%?

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ddt, dde, pcbs and pbdes are all ________ddt, dde, pcbs and pbdes are all ________.a biodegradable and do not persist in the env

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The answer is <span>non-biodegradable and subject to bioaccumulation and/or bioamplification.

DDT (dichlorodiphenyltrichloroethane) is persistent, non-degradable insecticide and organic pollutant readily accumulated to soils and consequently affects organisms.
DDE (</span><span>dichlorodiphenyldichloroethylene) is non-degradable pesticide toxic to birds at the first place.
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PBDEs (polybrominated diphenyl ethers) are non-degradable compounds very toxic to environment, even able to affect brains of animals in the development period.</span>

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3 years ago

Definition a visual representation of data that uses unconnected plotted points​

Definition a visual representation of data that uses unconnected plotted points