What observations would lead you to believe that the ink is actually a mixture?

1 answer:

3 0

When using filter paper chromatography to separate ink, one will observe that more colours are mixed into darker inks. The darker an ink is, the more the colours that will be separated out during chromatography process. Thus, the observation that the darker the ink, the more colours are mixed into it will lead one to believe that ink is a mixture.

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The Milky Way Galaxy is one of

9966 [12]

Answer:

Billions in the known universe!

Explanation:

Because there are approximately 100 billion galaxies in the observable universe.

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3 years ago

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Metamorphic rocks that melt in a holt fluid can recystallize into a different form of rock

kotykmax [81]

I think that type of rock is call Igneous rock because the igneous rock is molten rock from volcanoes.

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2 years ago

IUPAC NAME FOR:<br>CH2(OH)-CH2-CH(C2H5)-OH

fgiga [73]

The IUPAC name for the organic compound CH2(OH)-CH2-CH(C2H5)-OH is Pentan-1,3-diol

This compound above belong to class of organic compound called the alkanols

<h3>What are organic compounds?</h3>

Organic compounds are compounds which contains carbon and hydrogen only.

Some few classes of organic compounds includes the following:

Alkanes
Alkenes
Alkynes
Alkanols
Alkanals
Alkanones
Esters
Ketones and other

So therefore, the IUPAC name for the organic compound is CH2(OH)-CH2-CH(C2H5)-OH is Pentan-1,3-diol

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brainly.com/question/704297

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1 year ago

he heat of fusion of tetrahydrofuran is . Calculate the change in entropy when of tetrahydrofuran melts at . Be sure your answer

lana [24]

Answer:

$\Delta S=1.8x10^{-3}\frac{kJ}{K}=1.8\frac{J}{K}$

Explanation:

Hello.

In this case, given the heat of fusion of THF to be 8.5 kJ/mol and freezing at -108.5 °C, for the required mass of 5.9 g, we can compute the entropy as:

$\Delta S=\frac{n*\Delta H}{T}$