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2 years ago

Why doesn’t vegetable oil stay dissolved in vinegar to make a salad dressing?

2 answers:

7 0

<span>Vegetable oil is nonpolar, whereas vinegar is polar (about 95% water). Like dissolves like so polar and nonpolar dont mix.</span>

allsm [11]2 years ago

4 0

In order for things to dissolve they must dissolve in a solvent similar to them (polar and polar or nonpolar and nonpolar) Oil is nonpolar and vinegar is polar therefore oil wont dissolve in vinegar

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What is energy efficiency, and why is increasing it important?

MrMuchimi

A measure of how much work we can get from each unit of energy. It's also important because we don't want to kill plants.

3 0

3 years ago

Some gas was collected when the pressure was 760mmHg. It occupied 500mL when the pressure was increased to 800mmHg. What was the

Ivan

Answer:

<h3>The answer is 526.32 mL</h3>

Explanation:

To find the original volume we use the formula for Boyle's law which is

$P_1V_1 = P_2V_2$

Since we are finding the original volume

$V_1 = \frac{P_2V_2}{P_1} \\$

From the question we have

$V_1 = \frac{500 \times 800}{760} = \frac{400000}{760} = \frac{40000}{76} \\ = 526.315789...$

We have the final answer as

Hope this helps you

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2 years ago

All solutes will dissolve at some point.<br> O True<br> O False

Over [174]

Answer:

False

Explanation:

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2 years ago

What is released when the chemical bond is broken between the second and third phosphates of an atp?

Semmy [17]

The question was "What is realesed when the chemical bond is broken between the second and third phosphates of an atp?" The answer is hydrolysis.

6 0

3 years ago

- How many atoms are in 1.70 moles of Ca?

vazorg [7]

Answer:

1 mole = 6.02 x 1023 atoms

Explanation:

6.5 moles 6.02 x 1023 atoms = 3.9 x 1024 atoms

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3 years ago