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Sunny_sXe [5.5K]
3 years ago
8

Iodine, I2(s), is more soluble in dichloromethane, CH2Cl2(l), than water because:

Chemistry
1 answer:
Georgia [21]3 years ago
8 0

Answer:

A. the intermolecular forces are similar in both dichloromethane and iodine.

Explanation:

Solubility is determined by the principle , "like dissolves like" .

i.e. , if a compound is polar then it will dissolve in a polar compound only , and

if a compound is non - polar then it will dissolve in a non - polar compound only .

As,

Non polar compounds , have similar interaction , and hence gets dissolved , and similarly ,

polar compounds have similar dipole - dipole interaction , and hence gets dissolved .

From the question ,

Iodine, I₂(s), is more soluble in dichloromethane, CH₂Cl₂(l) , as both are non - polar in nature and hence due to similar interaction , are soluble .

Water is polar in nature and therefore less soluble in Iodine, I₂(s) .

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A. A scientist investigates a mouse's growth in nature by watching the animal.

A field study is a raw collection of data, typically in the natural habit of the organism; hence why an experiment taken in a lab isn't a field study.

7 0
2 years ago
Choose the number of significant figures indicated. 90
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There are 2 significant figures. All numbers in a whole number are significant.
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What do binary ionic compounds, binary molecular compounds, and binary acids have in common?
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8 0
2 years ago
The nucleus of a nitrogen atom contains 7 neutrons and 7 protons. Which of the following is a correct statement concerning nitro
bagirrra123 [75]

Answer:

Statement (E) is correct.

Explanation:

Both mass number and atomic mass are integer. Both are unit less.

Atomic mass is approximately equal to mass number of an atom with an unit of daltons or amu or u.

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4 0
3 years ago
A rook is dropped into a graduated cylinder filled with 35 mL of water.
KonstantinChe [14]

Answer:

5 cm³.

Explanation:

The following data were obtained from the question:

Volume of water = 35 mL

Volume of water + Rock = 40 mL

Volume of rock =.?

The volume of the rock can be obtained as follow:

Volume of rock = (Volume of water + Rock) – (Volume of water)

Volume of rock = 40 – 35

Volume of rock = 5 mL

Finally, we shall convert 5 mL to cm³. This can be obtained as illustrated below:

1 mL = 1 cm³

Therefore,

5 mL = 5 cm³

Thus, the volume of the rock is 5 cm³.

7 0
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