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erastovalidia [21]
4 years ago
5

Does the solubility of a substance increase as its temperature increases

Chemistry
1 answer:
Rom4ik [11]4 years ago
7 0

Answer:

Not necessarily

Explanation:

In the event of incresing the temprature it is not necessary that the solubility will increase always. Solubility of solids increases but solubility of gases dectreases on increases the temprature.

In solid solubility may remain unchange on increasing the temprature. This happens due to the fact that on increasing the temprature the mobility of substances increases due to thus the solubility increases.

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Which answer best describes crude oil? Crude oil is a mixture of many organic compounds that need to be isolated to be used. Cru
stepladder [879]

Answer: The correct answer is crude oil is a mixture of many organic compounds that need to be isolated to be used.

Explanation:

Crude oil is a naturally occurring petroleum product which is unrefined. It consists of various hydrocarbon deposits and organic compounds.

The refining of crude oil is important because it yield some important compounds that can be used in various purposes.

The refining of crude oil produces products such as gasoline, petrol, diesel and various other forms of petrochemicals which can be used on daily basis.

Hence, the correct statement is  crude oil is a mixture of many organic compounds that need to be isolated to be used.

7 0
4 years ago
What are the characteristics of non-ideal solutions? a. The solute-solute and solvent- solvent interaction is different fromm th
finlep [7]

Answer:All the above

Explanation:

Non-ideal solutions are those solutions which do not obey Raoult's law in any conditions.

The molecular interactions of two components that is solute and solvent  are different.

If there are two components A and B then the molecular interaction between A-A,B-B would be different from the molecular interactions in A-B .

The enthalpy of mixing and volume of mixing for non-ideal solutions have  non zero values.

Enthalpy of mixing can be negative or positive in case of non-ideal solutions. If the enthalpy of mixing is negative so energy has been  released upon mixing the two components and if enthalpy of mixing is positive then energy is absorbed upon mixing the two components.

Non-ideal solutions are simply those solutions which are not ideal hence they should not be having the characterstics of ideal solutions.

For ideal solutions the molecular interactions between  the two components are equal.

So the molecular interaction between A-A,B-B  would be equal to the molecular interaction between A-B. Also the enthalpy of mixing and volume of mixing for ideal solutions are zero hence all the statements provided here are correctly charactersing non-ideal solutions.

4 0
4 years ago
Which shows three human body parts in order from the simplest level of organization to the most complex?
nikklg [1K]

Answer:

red blood cell → heart tissue → circulatory system

Explanation:

The levels of organization from the simplest level of organization to the most complex is cell, tissue, organ, organ, organ system, and organism. Red blood cells are cells, heart tissue is tissue in the heart and the circulatory system is an organ system that ensures blood, oxygen, and nutrients are flowing through the body.

4 0
3 years ago
Read 2 more answers
Which of the following scenarios best illustrates the opponent-process theory of color vision?
Kitty [74]

Answer:

Kayla sees afterimages of opposing colors when she stares at a poster for a long time.

Explanation:

The "opponent-process theory" is a theory developed by <em>Edward Hering. </em>It states that<u> three color pairs</u>, which are opposing in nature, are linked by the cone receptors. These pairs are:

  • blue/yellow
  • red/green
  • black/white

This can be done when you stare at an<em> afterimage patch</em> for<u> 30 seconds.</u> Such as what Kayla is doing. Once the color stimuli is removed and she fixates her attention to a dot at the center of her field,<em> she'll notice the colors being reversed</em>. This means that if she sees the original color as<em> "blue,"</em> she'll see it now as <em>"yellow"</em> and<em> vice-versa</em>.

Extended inspection of a color in a pair results to it being <u>fatigued</u>. This allows the<u> non-fatigued color pair to be noticed</u>.

So, this explains the answer.

6 0
3 years ago
Why does a weather balloon filled with Helium rise? (Refer to "Densities of Common Substances" table.)
nirvana33 [79]
B density is less than air
6 0
4 years ago
Read 2 more answers
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