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bulgar [2K]
2 years ago
7

Relate the changes in molecular motion of particles as they change from solid to liquid to gas.

Physics
1 answer:
exis [7]2 years ago
8 0

Answer:

As the phase changes occur, the freedom of motion of the particles increases

Explanation:

In thermodynamics the state of matter: solid, liquid and gaseous.

We can characterize them, the solid state maintains a certain shape, which is why particles are tightly bound and can hardly move from their equilibrium positions.

The liquid state does not hold its shape, so the particles have more energy and can move a lot from their equilibrium position.

The gaseous state does not maintain the shape or the volume, so the interaction between the particles is very small, so they can move almost freely.

When examining the answer, the correct one is: As the phase changes occur, the freedom of motion of the particles increases.

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Explanation:

                    Fe₂O₃  + CO  → Fe₃O₄ + CO₂

Balancing the equation above, we can derive simple mathematical equations that are very easy to solve.

             aFe₂O₃  + bCO  → cFe₃O₄ + dCO₂

a,b,c and d are the coefficients needed to balance the equation above;

  Conserving Fe; 2a = 3c

                       O: 3a + b = 4c + 2d

                        C: b = d

 let a = 1;

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      Since b = d

                  3a + d = 4c + 2d

                    3a = 4c + 2d - d

                     3a = 4c + d

           a = 1, c = \frac{2}{3}

                    3 = 4 x \frac{2}{3}  +  d

                   d = \frac{1}{3}

                    b = \frac{1}{3}

multiplying a, b, c and d by 3:

            a = 3    b = 1     c = 2   and d = 1

                  3Fe₂O₃  + CO  → 2Fe₃O₄ + CO₂

Learn more:

Balanced equation brainly.com/question/2612756

#learnwithBrainly

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