Answer:
Particle density is the volumetric mass of the solid soil. It differs from bulk density because the volume used does not include pore spaces. Particle density represents the average density of all the minerals composing the soil.
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The molecules are continually colliding with each other and with the walls of the container. When a molecule collides with the wall, they exert small force on the wall The pressure exerted by the gas is due to the sum of all these collision forces.The more particles that hit the walls, the higher the pressure.
<span>Solvent is ethyl alcohol.
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Crystallization is the correct answer for recovering salt from a solution by evaporating the solvent
Answer:
añadir agua a la mezcla para disolver la sal. Después la arena se separa del agua salada por filtración. Finalmente, el agua salada se deja evaporar.
Explanation:
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