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Vikentia [17]
3 years ago
11

Filtration, or screening, is one way to separate certain mixtures, as shown in the image. Which of these mixtures could be most

easily separated by filtration? A) oil and water B) dissolved sugar and water C) sugar and salt D) flour and marbles
Chemistry
1 answer:
erastovalidia [21]3 years ago
3 0

Answer: D

Explanation:

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Explanation:

When the covalent bonds in a molecule are polarized so that one portion of the molecule experiences a positive charge and the other portion of the molecule experiences a negative charge. This separation of opposite charges creates an electric dipole.

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Which of the following statements provides the BEST explanation for the many chemical similarities between two elements in a Mai
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Answer:

(b) Both have the same number of valence electrons.  

Step-by-step explanation:

We find the most striking chemical similarities between two Main Group elements when they are in the same Group of the Periodic Table.

Elements in the same Group have the same number of valence electrons.

(a) is <em>wrong</em>, because elements in the same group have <em>different masses</em>.

(c) is <em>wrong,</em> because atoms with the same number of protons belong to the s<em>ame element</em>.

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Gravity, its what holds the whole universe together
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3 years ago
Solid Magnesium reacts with a Iron (II) Chloride solution -&gt;
photoshop1234 [79]

Answer:

Magnesium + iron chloride   →    iron + magnesium chloride

Explanation:

It is the single replacement reaction.

Single replacement:

It is the reaction in which one elements replace the other element in compound.

AB + C → AC + B

Molecular equation:

Magnesium + iron chloride   →    iron + magnesium chloride

Chemical equation:

Mg(s)  + FeCl₂(aq)       →     MgCl₂(aq) + Fe(s)

Ionic equation:

Mg(s)  + Fe²⁺(aq) + 2Cl⁻(aq)       →     Mg²⁺(aq) + 2Cl⁻(aq) + Fe(s)

Net ionic equation:

Mg(s) + Fe²⁺(aq)      →   Fe(s) + Mg²⁺(aq)

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2 years ago
The measure of distance from one point to another is: volume speed mass length
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Answer:

When you measure distance, you are mesauring lenght.

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When you meausre volume, you measure an object in its three dimensions.

When you measure speed, you measure a relation between lenght and time.

When you measure mass, you measure weight.

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3 years ago
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