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defon
3 years ago
14

Chromatography and fractional distillation can be used to separate compounds.

Chemistry
1 answer:
Finger [1]3 years ago
3 0

Answer:

fractionao distillation of two colourless liquids

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An alpha particle is equivalent to the nucleus of an atom of which element?(1 point)
Katyanochek1 [597]

Answer:

this is what i got

Explanation:

α-decay: When a radioactive nucleus disintegrates by emitting an αα-particle, the atomic number decreases by two and mass number decreases by four. Example: 88​Ra226→86​Rn222+2​He4.

3 0
2 years ago
PLEASE HELP ASAP!
egoroff_w [7]

Answer:

Lithium fluoride i think but I am not really sure

But it should be Lithium fluoride

Explanation: that's because neighter boron nor nitrogen contains water

3 0
2 years ago
Is tropism the response of a plant to light, gravity, touching . or water?
solniwko [45]

Answer:

all

Explanation:

it can be from all as some plants are hydrotrophic i.e. they get attracted to water but some get away from water. Same sunflower faces sun from morning to evening but some plants get burnt while in sun.

3 0
3 years ago
Practice It!
Paladinen [302]
Mitosis hope that helps i tried:)
4 0
2 years ago
Read 2 more answers
Consider 0.01 m aqueous solutions of each of the following. a) NaI; b) CaCl2; c) K3PO4; and d) C6H12O6 (glucose) Arrange the sol
stealth61 [152]

Answer:

The solutions are ordered by this way (from lowest to highest freezing point):  K₃PO₄ < CaCl₂ < NaI < glucose

Option d, b, a and c

Explanation:

Colligative property: Freezing point depression

The formula is: ΔT = Kf . m . i

ΔT = Freezing T° of pure solvent - Freezing T° of solution

We need to determine the i, which is the numbers of ions dissolved. It is also called the Van't Hoff factor.

Option d, which is glucose is non electrolyte so the i = 1

a. NaI →  Na⁺  +  I⁻        i =2

b. CaCl₂ →  Ca²⁺  +  2Cl⁻      i =3

c. K₃PO₄ → 3K⁺ + PO₄⁻³     i=4

Potassium phosphate will have the lowest freezing point, then we have the calcium chloride, the sodium iodide and at the end, glucose.

7 0
3 years ago
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