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Yuliya22 [10]
4 years ago
5

If the temperature changes in a chemical reaction, what has occurred?

Chemistry
2 answers:
trasher [3.6K]4 years ago
5 0

Answer: Option (A) is correct.

Explanation:

There are two types of reactions, one is exothermic and another is endothermic.

On increasing the temperature in a reaction, the energy of molecules increases and hence there will be transfer of energy from molecules to the atmosphere.

On decreasing the temperature in a reaction, the molecules will absorb energy from the atmosphere.

Thus, it can be concluded that if the temperature changes in a chemical reaction, then energy was transferred.

tresset_1 [31]4 years ago
3 0

A. Energy was transferred

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less dense

Explanation:

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3 years ago
Si las partículas en una muestra de materia se atraen entre sí pero pasan facilmente entre sí la materia es
saveliy_v [14]

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4 years ago
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suter [353]
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4 0
3 years ago
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What happens when gases change to plasma?
IgorLugansk [536]

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8 0
3 years ago
1. La densidad de CCl4 (tetracloruro de carbono) es 1,58. g/mL.
Andre45 [30]

Answer:

La respuesta es

<h2>158 g</h2>

Explanation:

La masa de una sustancia cuando se le da la densidad y el volumen se puede encontrar usando la fórmula

<h3>masa = Densidad × volumen</h3>

De la pregunta

volumen = 100 mL

densidad = 1.58 g/mL

La masa de sustancia es

masa = 100 × 1.58

Tenemos la respuesta final como

<h3>158 g</h3>

Espero que esto te ayude

6 0
4 years ago
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