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mojhsa [17]
3 years ago
11

Is drawing on paper a chemical or physical change

Chemistry
2 answers:
Tatiana [17]3 years ago
3 0

Answer:5

Explanation:

pav-90 [236]3 years ago
3 0

Answer:

physical change

Explanation:

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¿la densidad de una solución es mayor o menor al agregar agua?
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La densidad experimenta una disminución

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Hola!

En este caso, debemos recordar que la adición de agua incrementa el volumen donde se encuentra un soluto disuelto, el cual posee una cantidad de materia constante. De este modo, sabiendo que la densidad es:

\rho =\frac{m}{V}

Al incrementar el denominador (volumen), la densidad experimenta una disminución, al estar en relación inversamente proporcional.

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