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I have 4 assignments for unit 22 chemistry btec level. Are you able to do my assignments by friday?
perkin ring closure reaction of melonic ester with C2H5O-Na+
I read that in the first transition series,the stability of +2 oxidation state decreases from Sc to Cu.but,I observed that as we move along the 3d -series,the stability increases i
Preparation of saturated calomel electrode and determination of standard potentials of electrodes such as Cu 1 Cu, Zn 1 Zn, etc. Comparison of the potential values with values from
The energy of electron in hydrogen atom in its grounds state is -13.6 eV. The energy of the level corresponding to the quantum number equal to 5 is: (1) -0.54 eV (2)
Hno3 is aded to Ag ION then form Agcl so from where cl ion come
Describe the following electrochemical methods in terms of their working principles instrumentation and applications i. Potentiometry ii. polarography iii. Conductometry
I want to know how to determine the acid insoluble ash of a flour sample with principle,procedure as well as calculations.
A solution is prepared with 3.85g of a non-ionic unknown compound in 100.0g cyclohexane. The solution had a freezing point of 4.18 degrees Celsius. What is the molar mass of the un
It is important to differentiate the stoichiometric or empirical formula of a molecular substance from its molecular formula. The former expresses only the relative numbers of atom
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