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3 years ago

What was Aristotle’s theory of matter? Was it atomistic or formal?

1 answer:

8 0

Aristotle's theory of matter states that every physical object has matter and form. Aristotle posited that matter is formed into the substance it is by the form in which it appears. He also states that every material thing has form. Aristotle's theory is formal and not atomistic. Atomistic theory states that all matter is composes of small indivisible particles.

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Which answer provides the correct name for the following hydrocarbon?

ivanzaharov [21]

1) Hydrocarbon: CH3 - CH2 - CH2 - CH2 - CH3

2) Only single bonds => alkane => sufix ane

3) no substitutions

4) 5 carbons = > prefix penta.

Therefore, the name is pentane.

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3 years ago

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A rocket will rotate about a single point called the _?

Leokris [45]

Answer:

Center of gravity.

Explanation:

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3 years ago

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What is the pH of a 4.08*10-'M solution of H30+?

Mariana [72]

Answer:

8.4

Explanation:

-log(4.08x10^-9) = 8.4

- Hope that helped! Please let me know if you need further explanation.

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2 years ago

The most negative electron affinity is most likely associated with which type of atoms?

Llana [10]

Explanation:

elements are based on electrical conductivity

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3 years ago

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Approximately how many particles are in 2 moles?

schepotkina [342]

Answer:

$1.2\times10^2^4$ particles in 2 moles.

Explanation:

The number of particles that are contained in one mole, the international unit of amount of substance: by definition, exactly 6.022×10²³, and it is dimensionless. It is named after the scientist Amedeo Avogadro.

It is also known as Avogadro's constant.

∴ Number of particles in one mole = $6.022\times10^2^3$

∴ Number of particles in 2 mole = 2 times Number of particles in one mole

∴ Number of particles in 2 mole= $2\times6.022\times10^2^3=12.044\times10^2^3\approx1.2\times10^2^4$

Hence there are $1.2\times10^2^4$ particles in 2 moles.

4 0

3 years ago

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