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Akimi4 [234]
2 years ago
8

Who developed the first scientific atomic theory?

Chemistry
1 answer:
Annette [7]2 years ago
7 0

Answer:

John Dalton

Explanation:

John Dalton (1766-1844) is the scientist credited for proposing the atomic theory. This theory explains several concepts that are relevant in the observable world.

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2. A 2.75 kg sample of a substance occupies a volume of 250.0 cm^3. Find its density in g/cm.
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Answer:

<h3>The answer is 11 g/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

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mass = 2.75 kg = 2750 g

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density =   \frac{2750}{250}  \\

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