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2 years ago

Any expert know what is the answer?

Chemistry

1 answer:

cupoosta [38]2 years ago

3 0

Alkanes are non-polar: not soluble in water

alcohol is polar: soluble in water

The polarity of alcohols is affected by the -OH (hydroxyl) group, more OH, more polar, while non-polarity of alcohols is influenced by the carbon chain. the longer the carbon chain, the lower the polarity, the lower the solubility

butane : alkane: not soluble

1-2, ethanediol: alcohol: has 2 OH

Butanol has a longer carbon chain than ethanol

So the order of solubility in water (from largest to smallest)

1-2, ethanediol, ethanol, butanol, butane

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What is the mass of 3.01x1023 atoms of iron(atomic mass of fe=56)

nlexa [21]

Answer:

N = n× l

N = number of entities

n= moles

l = Avogadro's constant = 6.023 × 10^23

3.01 × 10^ 23 = n * 6.023 × 10^23

n = 3.01 × 10^23/6.023 × 10^23

n= 0.5moles

Molar mass = mass/ number of moles

Molar mass = 56

mass = 56 × 0.5

= 28g

Hope this helps.

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3 years ago

What is the chemical formula of (Sodium hydroxide ) ??

Margaret [11]

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what is the chemical formula of (Sodium hydroxide ) ??

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3 years ago

If you dispense 40 ml of hexane, but it turns out you only need 5 ml, what should you do with the remainder?

Natasha2012 [34]

After subtracting the volume needed from the volume dispensed, we got a remainder of 35ml

<h3>Subtraction of Numbers</h3>

Given Data

Volume of Hexane dispensed = 40ml

Volume needed = 5 ml

Let us compute the amount of excess hexane/ the volume that will remain

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Learn more about subtraction of numbers here:

brainly.com/question/4721701

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2 years ago

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aliya0001 [1]

I have attached the answer. hopefully, i read the problems correctly. let me know if I did not.

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Advocard [28]

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