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Lilit [14]
3 years ago
8

Two chemical reactions are shown. Which statements is true?

Chemistry
1 answer:
Marizza181 [45]3 years ago
7 0

Answer:

The answer is b

Explanation:

they both are decomposition

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 Conduction is heat tranfer through physical contact. Hope this helps. :)
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You are given a cube of lead that is 1.000 cm on each side. The density of lead is 11.35. How many atoms of lead are in the samp
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<u>11.35 g</u><u> </u><u>atoms </u><u>of lead are in the sample.</u>

What does density mean?

  • The density of an area refers to the quantity of things—which may include people, animals, plants, or objects—there are in it.
  • Divide the number of objects by the area's measurement to determine density.
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We can calculate the volume of the cube by cubing the side of the cube.

Volume of cube = ( 1.000 cm)³

                           = 1.000 cm³

We can now determine the amount of lead in the cube by multiplying by the density. Because we know we have a 1.000 cubic centimeter and that lead has a density of 11.35 grams per cubic centimeter, we have 11.35 grams of lead.

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         = 11.35 g

Learn more about density

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