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Gelneren [198K]
2 years ago
12

9. Which of the following concentrations has units of moles of solute per liter of solution?

Chemistry
1 answer:
11Alexandr11 [23.1K]2 years ago
7 0
The best answer for this is A) I’m pretty sure it is
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A pure substance made up of molecules of the same kind of atoms is called...
slava [35]

Answer:

All substances that are  made up of the same kind of mole ules are called pure substances.

So what do you mean ?

Explanation:

5 0
3 years ago
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What are the benefits and dangers of the Iron element in our daily life?
Digiron [165]
Benefits; helps our red blood cells transport oxygen all around our body
8 0
3 years ago
If you can do this for me that would be great thank you!​
Stels [109]

Answer:

Mass is both a property of a physical body and a measure of its resistance to acceleration when a net force is applied. An object's mass also determines the strength of its gravitational attraction to other bodies. The basic SI unit of mass is the kilogram.

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Explanation:

6 0
2 years ago
Arrange the compounds in order of decreasing magnitude of lattice energy:
Alik [6]

Answer:

The correct answer is CaO > LiBr > KI.

Explanation:

Lattice energy is directly proportional to the charge and is inversely proportional to the size. The compound LiBr comprises Li+ and Br- ions, KI comprises K+ and I- ions, and CaO comprise Ca²⁺ and O²⁻ ions.  

With the increase in the charge, there will be an increase in lattice energy. In the given case, the lattice energy of CaO will be the highest due to the presence of +2 and -2 ions. K⁺ ions are larger than Li⁺ ion, and I⁻ ions are larger than Br⁻ ion.  

The distance between Li⁺ and Br⁻ ions in LiBr is less in comparison to the distance between K⁺ and I⁻ ions in KI. As a consequence, the lattice energy of LiBr is greater than KI. Therefore, CaO exhibits the largest lattice energy, while KI the smallest.  

8 0
3 years ago
Definition: This is a change in velocity per time.
ladessa [460]

Answer: acceleration

a = 5.36 m/s²

Explanation: solution attached:

Convert first 60 mi/h to m/s

Use the formula for acceleration

a = vf - vi /t

8 0
2 years ago
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