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sergejj [24]
3 years ago
7

Is oil and water a solution, colloid, or suspension?

Chemistry
1 answer:
Ulleksa [173]3 years ago
7 0
Emulsions are an example of colloids<span> composed of tiny particles </span>suspended<span> in another immiscible (unmixable) material. An emulsion is a </span>suspension<span> of two liquids that usually do not mix together. These liquids that do not mix are said to be immiscible. An example would be </span>oil and water<span>.
INFORMATION HOPE THIS HELPED! PLEASE MARK ME AS BRAINLIEST THANK YOU.

</span>
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What coefficient should be used to make the following equation balanced? N2+O2--&gt; _NO
IgorLugansk [536]
<h2>                  ║∧║······→Hello.←······║∧║</h2>

                                          Your answer should be:

                                                N2 + O2 → 2NO

<h2>····················································································</h2>

I hope this answered your question!

Thanks for spending time reading this :)

(<em>A brainliest would be appreciated!)</em>

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7 0
3 years ago
Identify one trait in a plant that could be changed with selective breeding and explain how the change would be useful? Science.
saul85 [17]
The answers is 67 don’t ask me I don’t know but trying to get free points
3 0
3 years ago
How many of the planets have an orbital period of less than one Earth year?
GrogVix [38]

Since orbital period depends on how far you are from the sun, planets closer to the sun have a orbital period less than one earth year.

These planets are Mercury and Venus

8 0
3 years ago
some inkjet printers produce picoliter-sized drops. how many water molecules are there in one picoliter of water? the density of
GrogVix [38]

3.37 x 10¹⁰ molecules

Explanation:

Given parameters:

Volume of water = 1pL = 1 x 10⁻¹²L

Density of water = 1.00g/mL = 1000g/L

Unknown:

Number of water molecules = ?

Solution:

To solve this problem, we first find the mass of the water molecule in the inkjet.

       Mass of water = density of water x volume of water

Then, the number of molecules can be determined using the expression below:

        number of moles = \frac{mass of water}{molar mass of water}

 Number of molecules = number of moles x 6.02 x 10²³

Solving:

Mass of water = 1 x 10⁻¹² x 1000 = 1 x 10⁻⁹g

Number of moles:

Molar mass of H₂O = 2 + 16 = 18g/mol

Number of moles = \frac{1 x 10^{-12} }{18} = 5.6 x 10⁻¹⁴moles

Number of molecules =  5.6 x 10⁻¹⁴   x   6.02 x 10²³ = 33.7 x 10⁹

                                     = 3.37 x 10¹⁰ molecules

Learn more:

Number of molecules brainly.com/question/4597791

#learnwithBrainly

4 0
3 years ago
Identify all the examples that support the Law of Conservation of Mass through chemical changes.
wariber [46]

Answer:

B

C

Explanation:

7 0
3 years ago
Read 2 more answers
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