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PIT_PIT [208]
3 years ago
7

Three fundamental types of organic molecules are proteins, carbohydrates, and lipids. What is the fourth type?

Chemistry
2 answers:
CaHeK987 [17]3 years ago
8 0
The answer is salts. It’s substance is used for cooking
Alja [10]3 years ago
5 0

Answer:

Nucleic acids

That make our genes.

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damaskus [11]
Mostly in my opinion I think it’s the secound one
8 0
3 years ago
Stings to the touch
likoan [24]
It’s A because bleach doesn’t sting on touch and you can’t taste it
8 0
3 years ago
If you had a mixture of ethanol, glycerol, ethylene glycol, methanol, and water, how could you separate these five substances ou
leonid [27]

Fractional distillation

Explanation:

The best way to separate the mixtures out is through the process of fractional distillation.

In fractional distillation, liquid - liquid mixtures are separated based on the differences in boiling point of their components. Let us examine the boiling points of the component of the mixtures:  

     Ethanol                  78⁰C

     Glycerol                290⁰C

     Ethylene glycol     197.6⁰C

     Methanol               64.7⁰C

     Water                     100⁰C

We see that the liquids in the mixture have different boiling points. In this process, the mixture is heated in a distillation column. When the boiling point of any component is reached, it will rise up in the column and can be channeled to a condenser where it is cooled and collected.

The liquid with the least boiling point is first separated with the one with the highest boiling is recovered last:

   Order of recovery;

               Methanol               64.7⁰C

               Ethanol                  78⁰C

                Water                    100⁰C

               Ethylene glycol     197.6⁰C

                Glycerol                290⁰C

Learn more:

Physical properties brainly.com/question/10972073

#learnwithBrainly

3 0
3 years ago
What is 25 grams of HF?
Shtirlitz [24]
HI

I found a link that will direct you to the answer of this questions
<span>http://click.dji.com/ANbvbbP7bwUWtSACp6U_?pm=link&as=0004</span>
7 0
3 years ago
Which of these can be recycled in an attempt to conserve resources?
Brums [2.3K]

Answer:

aluminum

Explanation:

Hope this helped!!!

4 0
3 years ago
Read 2 more answers
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