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olya-2409 [2.1K]
3 years ago
5

What is the coldest temperature ever achieved?

Chemistry
2 answers:
Georgia [21]3 years ago
8 0
For the whole world, the lowest temperature on earth was recorded at -128.6 degrees in Russia. This was in July of 1983
kupik [55]3 years ago
5 0

Answer:

The lowest natural temperature ever directly recorded at ground level on Earth is −89.2 °C

-273.144 degrees celsius. This is close to 'absolute zero', which is equal to -273.15 degrees celsius

Explanation:

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IgorLugansk [536]
-3 is the answer your looking for
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Which of the following methods separates a homogeneous solution by spinning the solution very fast?
Zolol [24]

Answer:

<em> The answer is </em><u><em>(D) Magnetism</em></u>

The methods separates a homogeneous solution by spinning the solution very fast is magnetism.

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What is the result in the double displacement reaction of hydrochloric acid and
gayaneshka [121]

Answer:

Lithium chloride (LiCl), carbon dioxide, and water

Explanation:

Li₂CO₃ + HCl ⇒ LiCl + CO₂ + H₂O

When lithium carbonate reacts with hydrochloric acid, lithium chloride, water, and bubbles of carbon dioxide gas are given off. This is the result of a double displacement reaction followed by a decomposition reaction.

Hope that helps.

6 0
4 years ago
Balancee las ecuaciones químicas por el método de tanteo e identifique que tipo de reacción es: 1.1.- Cloruro férrico acuoso rea
lakkis [162]

Respuesta:

2 FeCl₃(aq) + 3 Na₂CO₃(s) ⇒ Fe₂(CO₃)₃(s) + 6 NaCl(aq)

Explicación:

Consideremos la ecuación no balanceada que ocurre cuando cloruro férrico acuoso reacciona con carbonato de sodio sólido para formar carbonato férrico sólido y cloruro de sodio acuoso. Esta es una reacción de doble desplazamiento.

FeCl₃(aq) + Na₂CO₃(s) ⇒ Fe₂(CO₃)₃(s) + NaCl(aq)

Vamos a usar el método de tanteo. Empezaremos balanceando los átomos de C, multiplicando Na₂CO₃ por 3.

FeCl₃(aq) + 3 Na₂CO₃(s) ⇒ Fe₂(CO₃)₃(s) + NaCl(aq)

Luego, balancearemos los átomos de Fe, multiplicando FeCl₃ por 2.

2 FeCl₃(aq) + 3 Na₂CO₃(s) ⇒ Fe₂(CO₃)₃(s) + NaCl(aq)

Finalmente, obtendremos la ecuación balanceada, multiplicando NaCl por 6.

2 FeCl₃(aq) + 3 Na₂CO₃(s) ⇒ Fe₂(CO₃)₃(s) + 6 NaCl(aq)

4 0
3 years ago
A property is a characteristic that can be used to identify a substance. Properties can be ______ or _______.
kirill [66]

Answer:

a list of characteristics that can be used to identify a substance include color, odor, taste, density, melting point, boiling point, conductivity, and hardness.

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