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jekas [21]
3 years ago
5

One reason ionic compounds do not dissolve well in nonpolar solvents is that ___.

Chemistry
1 answer:
Lapatulllka [165]3 years ago
6 0

Answer:

d. there are no forces of attraction between ions and nonpolar molecules.

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 .

Ionic compound , are polar in nature , i.e. , have a positive and negative charge , polar solution can only dissolve in polar ,

As ,  there will be interaction between the opposite charge , and hence will dissolve .

And , in case of a polar and non polar solution , there won't be any interaction , and hence will not dissolve .

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Carbonate oxidation number
Svetllana [295]

Answer:

-2

Explanation:

carbonate oxifation number is -2

6 0
3 years ago
The human eye contains a certain protein called rhodopsin that changes shape when it is exposed to light. When rhodopsin absorbs
grandymaker [24]
The human eye contains a molecule called 11-cis-retinal that changes conformation when struck with light of sufficient energy. The change in conformation triggers a series of events that results in an electrical signal being sent to the brain. The minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 {\rm kJ}/{\rm mol}.
6 0
3 years ago
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Percent concentration is one of the most common and basic concentration measurement used by general public. true or false?
Aleksandr [31]

Answer:

  • <u>TRUE:</u> <em>Percent concentration is one of the most common and basic concentration measurement used by general public</em>

Explanation:

In chemistry there are many <em>concentration measurements</em> used to describe the mixtures. Some of them are, percent, molarity, molality, and molar fraction, among others.

Percent concentration is a popular one because it is commonly understood and used by the non specialist people, i.e. general public.

The percent concentration of a component is defined as: (amount of component in the mixture / amount of mixture) × 100.

The amounts may be measured in mass units (e.g grams) or volume units (e.g. mililiters).

For solutions, mass percent concentration is:

  • % = (mass of solute / mass of solution) × 100.

And voluem percen contration is:

  • % = (volume of solute / volume of solution) × 100

Since percentage is used in many profesional and personal activities, most persons use it.

For example, rubbing alcohol, that everyone buys in pharmacies, is 70%; vinager, used in the food, is acetic acid at 5% - 8%.

5 0
3 years ago
As fuel is burned in an airplane, it seems to disappear from the tank, suggesting that matter is destroyed during the reaction.
gregori [183]

Answer:

Well we know that matter is neither created nor destroyed by chemical reactions or physical transformations. It is not destroyed it simply was converted to gas. =D

6 0
3 years ago
3. Where are gastropods found? Choose all the correct answers.
dalvyx [7]
D.

Gastropods live in every conceivable habitat
4 0
3 years ago
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