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forsale [732]
3 years ago
5

Which statement is true according to the kinetic theory?

Chemistry
2 answers:
uranmaximum [27]3 years ago
8 0
The correct answer is option D. i.e.<span>All states of matter show random motion of particles.ding to the kinetic theory

According to the kinectic theory of matter, all the particles show random motion at the room temperature. Decreasing the temperature to absolute zero temperature i.e. 0 K will cease the motion of particles.</span>
love history [14]3 years ago
8 0

Answer:

The correct answer is the option d:All states of matter show random motion of particles

Explanation:

Hello!

Let's solve this!

According to kinetic theory, all states of matter have particle motion.

In the gas state the molecules are free and have a lot of movement.

In the liquid state the molecules are a little closer together but still have movement.

In the solid state, the molecules are more compact and although they do not have so much movement, they all vibrate in place. So they also have movement.

The correct answer is the option d:All states of matter show random motion of particles

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What is the freezing point of a solution of 0.5 mol of LiBr in 500 mL of water? (Kf = 1.86°C/m) –1.86°C –7.44°C –5.58°C –3.72°C
tresset_1 [31]

Answer:

  • Last choice: <em><u>- 3.72°C</u></em>

Explanation:

The freezing point depression in a solvent is a colligative property: it depends on the number of solute particles.

The equation to predict the freezing point depression in a solvent is:

  • ΔTf = Kf × m × i

Where,

  • ΔTf is the freezing point depression of the solvent,
  • m is the molality,
  • Kf is the cryoscopic molal constant of the solvent, and i is the Van'f Hoff factor, which is the number of ions produced by each unit formula of the ionic compound.

The calcualtions are in the attached pdf file. Please, open it by clicking on the image of the file.

Download pdf
6 0
3 years ago
What would you do to change a saturated solid/liquid solution to an unsaturated solution
Semenov [28]

Explanation:

Saturated solid/liquid solution is changed to an unsaturated solution by the dilution process.

When the saturated solution is diluted by addition large quantity of solvent it changed to an unsaturated solution.

Saturated solid/liquid solution can also be changed to an unsaturated solution by increasing the temperature or heating the solution.

A saturated solution is a solution where further solute will not dissolve in the solvent.

An unsaturated solution is a solution in which has the ability to dissolve more solute.

4 0
3 years ago
PLEASE HELP ME!!!!!!!!!!
frosja888 [35]

Answer:

hopefully that helps

Explanation:

-24

6 0
3 years ago
If the pH of a solution is 5.4 then the concentration of H+ ions is ___|_x10^-6
Svetllana [295]
H is 4*10^6 M , OH is 2.5*10^-9 M
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3 years ago
Alkanes and alkenes differ in that alkene molecules contain at least one:
Zarrin [17]

Answer:

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Explanation:

an alkene is a unsaturated hydrocarbon which means that it contain at least one double bond

4 0
3 years ago
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