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3 years ago

why do you need to think about polarity of the different ingredients in your salad dressing in order for it to turn out well?

Chemistry

2 answers:

Elena L [17]3 years ago

7 0

Answer:

No.

Explanation:

Hello,

In this case, a salad dressing makes up of an oil-and-vinegar heterogeneous mixture as long as if it is let to stand it is possible to decant its constituents by density difference, therefore, we do not mind about the polarity of the different ingredients. The only necessity is a well shaking before its use.

Best regards.

vazorg [7]3 years ago

3 0

So that they combine smoothly and you aren't left with separated looking salad dressing. With polarity only, like-polarities dissolve like-polarities. So you must make sure that all your ingredients are polar or all are nonpolar.

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Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 18.0 atm. Calculate the work, w , if the gas exp

Dominik [7]

Answer:

-32821.2 J (negative sign implies that work is done by the system)

Explanation:

The expression for the calculation of work done is shown below as:

$w=-P\times \Delta V$

Where, P is the pressure

$\Delta V$ is the change in volume

From the question,

$\Delta V$ = 18.0 - 1.00 L = 18.0 L

P = 18.0 atm

$w=-18.0\times18.0\ atmL$

Also, 1 atmL = 101.3 J

So,

$w=-18.0\times 18.0\times 101.3\ J=-32821.2\ J$ (negative sign implies that work is done by the system)

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3 years ago

What is the molar mass of magnesium

mina [271]

Hey there!

The molar mass of magnesium is 24.305 grams.

The molar mass of an element is the same as the atomic mass of an element, but measured in grams.

It's on the periodic table underneath the element symbol.

Hope this helps!

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3 years ago

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DerKrebs [107]

Answer:

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Explanation:

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3 years ago

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Consider the following statements.

Vsevolod [243]

Answer: B and C only

Explanation:

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3 years ago

You are asked to weigh approximately 0. 4g of acetylsalicylic acid to the nearest mg. When you enter the data in grams in your l

krok68 [10]

Number of significant figures will be 1

Given:

weight of acetylsalicylic acid = 0. 4g

To Find:

significant figures

Solution: Significant figures are the digits of value which carry meaning towards the resolution of the measurement. They are also called significant figures in chemistry. All the experimental measurements have some kind of uncertainty associated with them.

When we convert 0.4g acetylsalicylic acid to mg we get value 400mg

when we convert 400mg to gram we get value of 0.4 gram

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