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ikadub [295]
3 years ago
5

Give an example of one type of energy conversion (change to another form). Be sure to explain your example.

Chemistry
1 answer:
Daniel [21]3 years ago
3 0
Potential to Kinetic Energy. 
When you a basketball in your hand that is potential energy. Then, when you bounce the ball that is kinetic energy. 
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What is reasoning in science?
loris [4]

Answer:

Scientific reasoning (SR), broadly defined, includes the thinking skills involved in inquiry, experimentation, evidence evaluation, inference and argumentation that are done in the service of conceptual change or scientific understanding.

6 0
3 years ago
How many atoms are in 5.40 moles of Copper, Cu?
Degger [83]
A would be the answer
4 0
3 years ago
For the energy diagram of the chemical reaction depicted here, which statement is the best conclusion?
34kurt

The reaction shown here is an exothermic reaction.

<h3>What is an exothermic reaction?</h3>

An exothermic reaction is one in which the energy of the reactants is greater than the energy of the products. This implies that energy is given out in the process. Whether a reaction is endothermic or exothermic shows in the nature of the reaction profile curve.

For an endothermic reaction, the part of the diagram that represents the energy of the products is higher than the part that represents the energy of the reactants. This is clear from the image attached here.

If we look at the reaction graph very well, we will observe that the energy of the reactants is far above that of the products. Thus it follows that the reaction shown here is an exothermic reaction.

Learn more about exothermic reaction:brainly.com/question/15765092

#SPJ1

3 0
2 years ago
A sample of helium gas has a volume of 1.25 L and a temperature of 22 °C, under a constant pressure. What is the new volume if t
Digiron [165]

Answer:

the new volume is 1.35L

Explanation:

The computation of the new volume in the case when the temperature rises to 45 degrees is shown below:

GIven that

Volume = 1.25L

And, the temperature is 22 degrees celsius

So, T_1 = (275 + 22)k

= 297 k

Now

T_2 = (275 + 45)k

= 320 k

Now as it is a constant pressure

So, the new volume is

\frac{V_1}{T_1} = \frac{V_2}{T_2}  \\\\V_2 = \frac{V_1}{T_1}\times T_2 \\\\= \frac{1.25}{297}\times 320

= 1.35L

hence, the new volume is 1.35L

5 0
3 years ago
De la siguiente reacción química Fe2O3 + 3 H2O → __Fe(OH)3 para que se cumpla el balanceo en ella, en el espacio qué coeficiente
MrRa [10]

Answer:

Para que se cumpla el balanceo en la reacción química, en el espacio se debe asignar 2 como coeficiente estequiométrico.

Explanation:

La ley de conservación de la materia establece que, dado que no se puede crear ni destruir ningún átomo en una reacción química, el número de átomos que están presentes en los reactivos debe ser igual al número de átomos presentes en los productos.

Luego, debes equilibrar la ecuación química. Para eso, primero debe mirar los subíndices al lado de cada átomo para encontrar el número de átomos en la ecuación. Si el mismo átomo aparece en más de una molécula, debes sumar sus cantidades.

Los coeficientes ubicados frente a cada molécula indican la cantidad de cada molécula para la reacción. Este coeficiente puede modificarse para equilibrar la ecuación, del mismo modo que nunca debe alterar los subíndices.

Al multiplicar el coeficiente mencionado por el subíndice, obtienes la cantidad de cada elemento presente en la reacción.

En este caso la reacción química es:

Fe₂O₃ + 3 H₂O ⇒ ____ Fe(OH)₃

Entonces, teniendo en cuenta todo lo anterior, se puede determinar la cantidad de elementos en cada lado de la ecuación:

  • Lado izquierdo: 2 hierro Fe, 6 oxígeno O y 6 hidrógenos H
  • Lado derecho: 1 hierro Fe, 3 oxígeno O y 3 hidrógenos H

Se puede observar que la reacción química no esta balanceada porque se tiene diferentes cantidades de cada elemento a cada lado de la reacción. Para equilibrarla, se comienza balanceando el hierro. Para eso, el coeficiente estequiométrico debe ser dos:

Fe₂O₃ + 3 H₂O ⇒ 2 Fe(OH)₃

Entonces:

  • Lado izquierdo: 2 hierro Fe, 6 oxígeno O y 6 hidrógenos H
  • Lado derecho: 2 hierro Fe, 6 oxígeno O y 6 hidrógenos H

Ahora, a cada lado de la reacción se tiene la misma cantidad de cada elemento, por lo que la reacción esta balanceada.

<u><em>Para que se cumpla el balanceo en la reacción química, en el espacio se debe asignar 2 como coeficiente estequiométrico.</em></u>

<u><em></em></u>

7 0
3 years ago
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