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Dimas [21]
3 years ago
15

Si se rompe un utensilio de cristal en un laboratorio, cómo se recoge?

Biology
1 answer:
stiks02 [169]3 years ago
4 0

Answer:

Si se nos rompe un material de vidrio:

o Lo recogeremos inmediatamente para evitar cortes.

o Usaremos guantes anticorte con la suficiente protección para

recogerlos. Los guantes de trabajo de piel flor vacuno son suficiente.

o Si se nos rompe una pieza de vidrio mientras estamos fregando

tendremos especial ya que el agua dificulta la visión del vidrio.

o Si es necesario descontaminaremos los trozos antes de retirarlos.

o Introduciremos los trozos en un recipiente cuyas paredes no pueda

perforar con objetos de evitar cortes a otras personas.

o Nunca lo depositaremos directamente en una papelera, al coger la

bolsa el personal de limpieza puede cortarse.

o El vidrio no contaminado por productos químicos puede depositarse

en los contenedores de vidrio para reciclar. Si lo hacemos así el medio

ambiente nos lo agradecerá.

o El vidrio contaminado con productos peligrosos, como termómetros

de mercurio rotos, lo gestionaremos como residuo peligroso.

Debemos separar los residuos según el tratamiento que se les va a dar,

(reciclado, gestión como RP, etc.) desde el momento mismo de su

generación.

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1. Which one lived in Antarctica earlier, the labyrinthodont, the lystrosaurus, or the duck-billed dinosaur? Explain
liubo4ka [24]

Answer:

The correct answer is - The labyrinthodont.

Explanation:

Fossils of These duck billed dinosaur were found in the Antarctica in sands that were 66 to 67 million years old, however these are also found in north America and north Europe.

About 110 million years ago, labyrinthodonts, the dinosaur that are amphibians. These are the animals that were lived in the river valleys of the Gondwana and the rift valley that was located at that time between Australia and Antarctica.

Thus, the correct answer is - The labyrinthodont.

7 0
3 years ago
Which of these bones is classified as a flat bone?
denis-greek [22]

The last one (d)
Sternum

3 0
3 years ago
A list of the cell fibers from largest to smallest would read: 1. microtubules, intermediate filaments, microfilaments
Dahasolnce [82]

A list of the cell fibers from largest to smallest would read:  

1. microtubules – is a microscopic tubular structure that is present in numbers in the cytoplasm of cells. These are usually aggregated to form complex structures. 

<span>2. intermediate filaments – are cytoskeletal components that is usually found in the cells of vertebrate species and </span>other organisms like plants, fungi, unicellular organisms. 

3. <span>Microfilaments – are filamentous structures that can be found in the cytoplasm of eukaryotic cells and it will form part of the </span>cytoskeletons<span>. They are composed primarily of polymers of actin. But in cells, they usually interact with other proteins.</span>

4 0
3 years ago
In a eukaryotic cell in mitotic S-phase, a spontaneous DNA double-strand break occurred due to replication fork collapse. Geneti
Allushta [10]

Answer: The DNA repair process was called recombination repair.

Explanation: A sister or homologous chromatide is used to generate recombination and be repaired in this sort of cases.

8 0
3 years ago
What is the pH if 20 mL of pH = 2 solution is diluted to a final volume of 600 mL?
Mashutka [201]

Explanation:

Hydrogen atoms contain 1 proton and 1 electron while being devoid of neutrons. When they lose their electron they form an ion or H+, a particle carrying a unit of positive charge.  pH measures how basic or acidic a water-based solutions are, with a formula for pH is

pH = -log[H+].

...where pH is -base 10 log of the concentration of hydrogen ions within the solution.

Initial volume= 20 mL

Final volume= 600 mL

# of dilutions= \frac{600}{20} = 30

for a pH 2= [H+]= 10^{=2}

∴ [H+]=  \frac{10^{-2}}{30} = 3.333 * 10^{-4}

and pH is an antilog of [H+]= - log \frac{10^{-2}}{30} = 3.333 * 10^{-4}

∴pH = 3.47

Learn more about pH at brainly.com/question/4981491

Learn more about pKA at brainly.com/question/11062486

#LearnWithBrainly

7 0
3 years ago
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