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Lady bird [3.3K]
3 years ago
7

How to write a lap conclusion

Chemistry
1 answer:
iris [78.8K]3 years ago
5 0
Describe how the lab went , any complication that happened, any rules or laws used in the lab 
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Polar winds are usually from the________ direction.
solong [7]
Polar winds are usually from the east direction.
6 0
3 years ago
When energy is added to a substance at constant volume and pressure, its temperature increases except ________.
Travka [436]

A. When the substance is in its gaseous state.

<u>Explanation:</u>

When a substance is expanding against its constant volume and pressure, its temperature increases except when the substance is in gaseous state and not in liquid or solid state. So the internal energy increase in the system not only increases and maintaining the volume and pressure of the system remains constant in its gaseous phase. In the first law of Thermodynamics, it is used specifically that to especially in the case of gaseous system.  

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7 0
3 years ago
What are humic acids?
Dominik [7]

Answer:

Los ácidos húmicos son restos de vida orgánica totalmente descompuestos. Son moléculas de cadena larga que son de alto peso y de color marrón oscuro. No son un solo ácido. Más bien, "ácido húmico" es un término amplio que se refiere a una mezcla compleja de muchos ácidos diferentes que son solubles en soluciones alcalinas. Existen de forma natural como parte del ciclo de vida de la naturaleza en suelos, océanos y arroyos. Cómo se forman?

Cuando las plantas y los animales mueren, sus moléculas quedan disponibles en el suelo para ser utilizadas por otros organismos. Bacterias, hongos, protozoos, lombrices de tierra e incluso insectos consumen el material fresco. Después de largos períodos de tiempo, cuando la materia en descomposición se ha comido y transformado a través de varios ciclos, lo que queda es un material resistente que resiste una mayor descomposición, llamado humus. (Este proceso se conoce como "humificación"). El humus es un término general que se refiere a compuestos estables y altamente complejos que son resistentes a una mayor descomposición. Y el humus consta de tres componentes: ácidos húmicos, ácidos fúlvicos y humus. Los ácidos húmicos y fúlvicos han demostrado ser invaluables para entornos de suelo saludables, particularmente por sus contribuciones a la estructura del suelo y la transferencia de nutrientes entre el suelo y las plantas.

5 0
3 years ago
How many atoms are in 0.250 moles of Rb?
Helen [10]

Answer:

1.51*10^23 atoms Rb

Explanation:

Use dimensional analysis

5 0
3 years ago
What happens to the solute particles when a solution forms?
Marysya12 [62]
The particles of the solute leave each other and become surrounded by particles of the solvent.
6 0
3 years ago
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