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3 years ago

Pickled cucumbers remain edible much longer than fresh cucumbers. Why

Chemistry

1 answer:

Alla [95]3 years ago

7 0

The main reason why is because pickled cucumber contain a lot of salt, which can act as a preservative.

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Compute the atomic density (the number of atoms per cm3 ... rather than the mass density g/cm3) for a perfect crystal of silicon

serious [3.7K]

Answer:

$\large\boxed{\large\boxed{5.00\times 10^{22}atoms/cm^3}}$

Explanation:

You can convert the density into atomic density using the atomic weight and Avogadro's number

A dimensional analysis is very helpful:

$\dfrac{g}{cm^3}\times \dfrac{mol}{g}\times \dfrac{atoms}{mol}=\dfrac{atoms}{cm^3}$

Follow the chain: g cancels with g, mol cancels with mol; at the end, what remains is atoms/cm³, which is what you want.

Use that with your data:

$\dfrac{2.33g}{cm^3}\times \dfrac{1mol}{28.09g}\times \dfrac{6.022\times 10^{23}atoms}{mol}=\approx 5.00\times10^{22}atoms/cm^3$

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3 years ago

Eating a burger with no honey mustard

Scilla [17]

Answer:

nice that's awesome

Explanation:

lol

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3 years ago

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What fundamental building block makes up all matter in the universe

Sloan [31]

The building block that makes up all matter in the universe is atoms.

Hope that helps you:)

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3 years ago

On a topographic map every fifth contour is darkened. What is this line call?

Veronika [31]

I think it is D but im not sure

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4 years ago

Describing the Rock Cycle

Alex17521 [72]

Answer:

A, C, and D

Explanation:

A-Any type of rock can change into any other type of rock by weathering and erosion.

C-Rocks change slowly over time.

D- The rock cycle shows how the three rock types relate to one another.

Its correct on edge

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4 years ago

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