TLC means Thin Layer Chromatography. It is a method that can best be described as "Affinity-Based" used in the separation of compounds that are in a mixture.
<h3>What is unreacted p-nitrobenzaldehyde?</h3>
Unreacted p-nitrobenzaldehyde is simply an organic aromatic compound that contains a nitro group para-substituted to an aldehyde. in this case, if it is unreacted, that means it is the same as before the chemical reation.
Note that the question is missing key information hence the general answer.
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The correct answer is Seafloor Spreading
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Answer:
BIPHASIC LIQUIDS are used ear cleaning, to softening the wax so that mild infections can be treated.
Explanation:
BIPHASIC LIQUIDS are liquids that contain two immiscible phases, one is suspension and the other is emulsion. In suspension, the finely solid are dispersed in a liquid or semi solidwhich is use for medicament
The emulsion consist of immiscible liquids, one is dispersed in globules.
They are used ear cleaning, to softening the wax so that mild infections can be treated.
Answer:
Recall from the 1st law of thermodynamic - Energy Balance gives;
assuming : there is no change in kinetic and potential energy, a steady state process, etc.
ΔU = ΔQ + ΔW
For this system, ΔW = +ve (engine does the work)
ΔU = -2952J
ΔQ = -ve? (Heat energy is been released)
Since the heat energy is removed, the internal energy must increase by
-2952J = 642J - ΔQ
ΔQ = (642 + 2952) = 3594 J was released from the engine and the amount that must be cooled off
Now to find the change in the internal energy of the engine?
Note that as as soon as the heat is removed, there would not be any change in the internal energy of the system because all the energy from the burning of the measure of fuel has been removed.
so ΔU = 0J