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ikadub [295]
3 years ago
7

What types of mixtures care separated by chromatography ?​

Physics
2 answers:
andrew-mc [135]3 years ago
4 0

Explanation:

i know the answer but i forgot...

BARSIC [14]3 years ago
3 0

Answer:

Paper chromatography is used to separate mixtures of soluble substances. These are often coloured substances such as food colourings, inks, dyes or plant pigments.

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Since the Sun has more mass, why do objects on earth not move closer to the Sun instead of staying put on Earth?
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Because the Earth has it's own gravity that keeps us put, and we also have the moon.

Explanation:

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If Dwight races his Chevy towards Chatham and travels 2460 meters in 60 seconds. what is his velocity?
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In a few sentences, compare and contrast pressurized water reactors and boiling water reactors.
kondaur [170]
For pressurized water reactors the coolant is not permitted to boil in the core of the PRW, however the coolant in boiling water reactors is permitted to do so in the core of BWR. Pressurized water reactors have an indirect cycle. Whereas, the boiling water reactors go through a direct cycle. Both are light water reactors. 
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3 years ago
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As the wave interacts with a wall, which kind of wave interaction is shown?
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 The answer would be a reflection. This is because, t<span>he color of an object is actually the wavelengths of the light reflected while all other wavelengths are absorbed. Color, in this case, refers to the different wavelengths of light in the </span>visible light spectrum<span>perceived by our eyes. The physical and chemical composition of matter determines which wavelength (or color) is reflected.</span>
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A sled with a mass of 20 kg slides along frictionless ice at 4.5 m/s. It then crosses a rough patch of snow that exerts a fricti
uysha [10]

Answer:The sled slides 16.875m before rest.

Explanation:

a=\frac{F}{m} =\frac{12N}{20kg}

a=0.6 m/s²

Vf=0=Vi-a.t

t=\frac{Vi}{a} =t=\frac{4.5m/s}{0.6 m/s2} =t=7.5seg

d= Vi.t - \frac{a.t^{2}}{2}

d= 4.5 * 7.5 - \frac{0.6*7.5^{2} }{2} \\\\d=16.875m

3 0
3 years ago
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