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Lina20 [59]
3 years ago
12

40 000 L + 125 000 L scinetific notation

Chemistry
1 answer:
Sladkaya [172]3 years ago
8 0
4 x 10^4 L +1.25 x 10^5
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What will happen when the rates of evaporation and condensation are equal​
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The element X has three naturally occurring isotopes. The masses (amu) and % abundances of the isotopes are given in the table b
denis-greek [22]

Answer:

220.42098 amu

Explanation:

(220 .9 X  .7422) + (220 X .0.1278) + (218.1 X 0.13) =     220.42098 amu

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So, we will take mass of one and multiply by abundance percentage that is provided and add them together.

In order to calculate the  average atomic mass, we have to convert the percentages of abundance to decimals. So, you get

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6 0
3 years ago
In counting the electron domains around the central atom in VSEPR theory, a ________ is not included.
GenaCL600 [577]

Answer:

B

Explanation:

In counting the electron domains around the central atom in VSEPR theory, a Core level electron pair is not included.

Core level electron pair are the electrons other than the electrons in the valency shell of an atom. They in the proximity of the nucleus. They do not participate in the bonding.

VSEPR is the abbreviation for Valence shell Electron Pair repulsion theory. VESPR is a model for predicting molecular geometries based on the reduction in the electrostatic repulsion of the valence electrons of a molecule around a central atom.

5 0
3 years ago
Part a predict the product and propose a mechanism for the elimination reaction that results when (s)-(1-chloropropyl)benzene is
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Answer:

Propenyl-benzene

Explanation:

Hello,

Elimination reaction of solid (1-chloropropyl)-benzene due to the heat in presence of ethanol turns out based on the attached picture in which both the chlorine a the hydrogen in the second carbon go out and subsequently get together to form propenyl-benzene and hydrochloric acid.

Best regards.

7 0
4 years ago
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