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Colt1911 [192]
3 years ago
5

Question 15 (1 point)

Chemistry
1 answer:
Yuliya22 [10]3 years ago
6 0

Answer:

mh cjwe cejwh cjefblewkbfhfwouf

Explanation:

jhbckwjebfljbewfjbwefbwc

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A homogeneous mixture is made by dissolving some salt in a beaker of water. The mixture is referred to as a
CaHeK987 [17]
In that case, the salt<span> would be the </span>solvent<span> and the </span>water<span> the </span><span>solute. 
So, it would be solution!

Have a nice day! :D</span>
3 0
3 years ago
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What is the volume of an object that has a mass of 3.5 grams and has a density of 2.50 g/mL? Include units and proper sig figs l
jolli1 [7]

1.4mL

Explanation:

Given parameters:

Mass of object = 3.5g

density = 2.5g/mL

Unknown:

Volume of the object = ?

Solution:

Density is the mass per unit volume of a body. It is an intensive property that is the same for the same substances.

   Density = \frac{mass}{volume}

  since the volume is unknown; we make it the subject of the formula;

 Volume = \frac{mass}{density}

Volume = \frac{3.5}{2.5}

Volume of the object = 1.4mL

learn more:

Density brainly.com/question/4825250

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8 0
3 years ago
On the atomic level energy and matter exhibit the characteristics of
shepuryov [24]

Answer:

  • <em>On the atomic level, energy and matter exhibit the characteristics of </em><u>both waves and particles.</u>

Explanation:

The dual behavior of subatomic particles as waves and particles is known as the wave - particle duality.

And this principle is the basis of the quantum theory.

Such principle is widely applied to the electrons; i.e., the electrons posses wave and particle propeties, which must be understodd as that some of their properties may be explained as if they were particles and others as if they were waves.

For example, from the particle point of view electrons have mass. You can find in internet that the mass of one electron is about 9.1093837015×10⁻³¹ kg or about 1/1836 times the mass of one proton.)

Since, the point of view of the wave characteristics, electrons have wavelength, Louis de Broglie deduced the equation that relates the wavelength and the mass, through this realtion:

  • Wavelength (λ) =  Planck’s constant (h) divided by the product of the mass (m) and the the speed (v) of the particle.

         λ = h / mv

4 0
3 years ago
Why is it important for lens makers to know then density of the glass they are using??
vlada-n [284]
The density of a glass helps determine the weight of the optical assembly and, along with lens diameter, becomes critical for weight sensitive applications. 
6 0
3 years ago
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is this true or false. In a boreal forest biome, many trees shed their leaves and grow new ones each year
soldier1979 [14.2K]
The answer will be false.
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3 years ago
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