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Sholpan [36]
3 years ago
14

Thin-layer chromatography explain ?????​

Chemistry
1 answer:
Troyanec [42]3 years ago
3 0

Answer:

Explanation:

Thin-layer chromatography (TLC) is a chromatography technique used to separate non-volatile mixtures. ... After the sample has been applied on the plate, a solvent or solvent mixture (known as the mobile phase) is drawn up the plate via capillary action.

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Angela does 50 Joules of work to lift her 2.5 kg grocery bag. How far (distance) did she lift the grocery bags?
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If:

work done = force x distance

distance = work done ÷ force

so:

50 ÷ 2.5 = 20m
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How does geothermal energy differ from solar energy?
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Solar panels capture the sun's rays and convert it into heat and electricity, which is used to heat and cool your home, while geothermal solutions use the constant core temperature of the Earth to warm and cool a property.

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How much of this reactant should he order to make
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Answer:

the answer is Fe2O3

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What happens when mix coke and milk
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7 0
3 years ago
Read 2 more answers
In the process of attempting to characterize a substance, a chemist makes the following observations. Which are physical propert
Nitella [24]

Answer: a) The substance is a silvery white, lustrous metal :physical property.  

b) It melts at 649°C and boils at 1105°C : physical property.  

c) Its density at 20°C is 1.738 g/cm^3: physical property.  

d)  The substance burns in air, producing an intense white light : chemical property

Explanation:

Chemical property is defined as the property of a substance which is observed during a reaction where the chemical composition identity of the substance gets changed.

Physical property is defined as the property which can be measured and whose value describes the state of physical system. For Example: State, density etc.

a) The substance is a silvery white, lustrous metal is a physical property

b) It melts at 649°C and boils at 1105°C is a physical property.  

c) Its density at 20°C is 1.738 g/cm^3 is a physical property.  

d) The substance burns in air, producing an intense white light is a chemical property

7 0
4 years ago
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