A compound made out of 1 nitrogen atom and 2 oxygen atoms
Answer:
well what above wave?? do you have a picture
Explanation:
Answer:
Energy is transferred between the earths surface and atmosphere.Energy move place to place
Answer:
a. All of the below
Explanation:
Column chromatography in chemistry is a chromatography method used to isolate a single chemical compound from a mixture.
TLC can be used to analyze a chemical reaction to determine if the reactants have been consumed and a new product has formed. Running a tlc of ferrocene, the acetylferrocene product mixture, and co-spot, when you view the TLC plate under a UV light, you will notice that acetylferrocene product is on the right-most lane, this shows that the reaction appears to be a success: the higher spot of ferrocene has been consumed), and a new product spot is present. From these we can observe that the we can use this to identify the number of products of the reaction, determine if the starting material is still present in the reaction and the elution in a chromatography column of the starting material and products. Therefore, all the choices are correct.
Carbon electrodes are changed frequently in electrolysis as the carbon in the carbon electrodes burns to give out Carbon-di-oxide.
Carbon electrodes are used in electrolysis to facilitate the transfer of electrons between the anode and the cathode. The carbon electrode is usually in the form of a rod or plate and is electrically connected to the anode.
The carbon electrode may also be used to help reduce the overall resistance of the electrolytic cell.
Carbon electrodes are used in electrolysis because they are chemically inert and have a high electrical conductivity.
However, carbon electrodes must be changed frequently because they become corroded and lose their electrical conductivity over time.
This is because carbon burns out in the Carbon electrodes to give out Carbon-di-oxide. That is why the carbon anodes should be changed frequently.
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