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deff fn [24]
3 years ago
12

Cuál es el método que utiliza el factor de la gravedad y la difusión de un líquido sobre un sólido para separar las partes de un

a mezcla de varios líquidos mezclados entre sí
Physics
1 answer:
Airida [17]3 years ago
4 0

Answer:

chromatography

Explanation:

Chromatography is one of the powerful technique that is used to separate the mixed components of liquid or the gas mixtures.

In this technique the separation of the mixture by passing the mixture in some solution or some suspension through the medium where the components are made to move at some different rates.

The basic idea in this experiment is that the mixture sample is in mobile phase and it is forced either by pumping or by  gravity or by capillary action through the stationary phase to separate the mixture.

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A radioactive isotope has a half-life of 5,000 years. A rock originally contained 16 grams of radioactive isotope, and now conta
mixas84 [53]

Answer:

10,000 years

Explanation:

Given that,

Half life of the radioactive isotope, t_{\frac{1}{2}} = 5000 years

Initial composition, N_0 = 16 grams

Final composition, N = 4 grams

We know that,

N=N_0\times (\dfrac{1}{2})^\frac{t}{t_\frac{1}{2}}}\\\\4=16(0.5)^\frac{t}{5000}}\\\\\dfrac{4}{16}=(0.5)^{\frac{t}{5000}}\\\\0.25=(0.5)^\frac{t}{5000}\\\\0.5^2=(0.5)^\frac{t}{5000}\\\\2=\dfrac{t}{5000}\\\\t=2\times 5000\\\\t=10000\ yrs

Therefore, the age of the rock is 10,000 years.

6 0
3 years ago
John is a runner.He runs the 100m sprint in 10.6s.What speed did he travel at (in m/s)​
astraxan [27]
ANSWER: 9.4ms a second

EXPLANATION

100/10.6 = 9.4

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(Hope this helps you. Have a good day.)

5 0
3 years ago
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tino4ka555 [31]

Answer: 3rd option

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7 0
3 years ago
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