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padilas [110]
3 years ago
9

Explain how paper chromatography could be used to separate a mixture of different coloured inks

Chemistry
1 answer:
aleksandrvk [35]3 years ago
5 0
The mobile phase is a suitable liquid solvent or mixture of solvents. You probably used paper chromatographyas one of the first things you ever did in chemistry to separate out mixturesof coloured dyes - for example, the dyes which make up a particular ink

I hope that this answer helps you out
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In the reaction fecl2 + 2naoh fe(oh)2(s) + 2nacl, if 6 moles of fecl2 are added to 6 moles of naoh, how many moles of fecl2 woul
pychu [463]
The balanced chemical reaction would be 

<span>fecl2 + 2naoh =  fe(oh)2(s) + 2nacl

Initial amounts of the reactants are given, so, we need to determine which of the reactants is the limiting reactant and use this amount to determine what is asked. However, what is being asked is how many of the FeCl2 is used in the reaction, showing that it is NaOH that is the limiting reactants. Thus, we just use the initial amount of NaOH and relate the substances by the chemical reaction as follows:

6 mol NaOH ( 1 mol FeCl2 / 2 mol NaOH ) = 3 mol FeCl2

Therefore, 3 moles of FeCl2 is used up and 3 moles of FeCl2 is also left after the reaction.</span>
5 0
2 years ago
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During the formation of a chemical bond between two hydrogen atoms, which of the following statements is always true?
Wewaii [24]

A) Energy is released during the formation of the bond.

Explanation:

During the formation of a chemical bonds between two hydrogen atoms, energy is always released during the formation of this bond type.

Bond formation process is usually exothermic and energy is released during the formation of the bond.

  • Bond breaking process is an endothermic process in which energy is absorbed from the surrounding.
  • Whenever a bond is broken, the bond energy value is positive but when a bond is formed, the bond energy value is given a negative sign.

For a bond formation process in which hydrogen atoms are bonded covalently, energy is usually released.

Learn more:

Enthalpy changes brainly.com/question/10567109

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5 0
3 years ago
During an investigation, similar glow sticks were placed in two beakers containing water at different temperatures. A record of
allochka39001 [22]

Answer:

i got you dawg just gimme one sec i'll get to you fr g

Explanation:

6 0
3 years ago
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What are the chemical processes used to make chloroquine?
4vir4ik [10]
You spell Chlorine wrong but the process is called electrolysis  
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3 years ago
__C2H4+__O2--&gt;__CO2+__H2O
mihalych1998 [28]

Answer:

Here is your answer mate :D

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