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The cell diagram of a mercury cell can be written
Zn(s) | ZnO (s) NaOH (aq) HgO (s) HgO (I)
(a) Write the electrode reactions and cell reaction with electron number z = 2.
(b) Use data in Appendix H to calculate the standard molar reaction quantities ΔrH°, ΔrG°, and ΔrS° for the cell reaction at 298.15K.
(c) Calculate the standard cell potential of the mercury cell at 298.15K to the nearest 0.01V.
(d) Evaluate the ratio of heat to advancement, ξq / dξ, at a constant temperature of 298.15K and a constant pressure of 1 bar, for the cell reaction taking place in two different ways: reversibly in the cell, and spontaneously in a reaction vessel that is not part of an electrical circuit.
(e) Evaluate dE°cell,eq= dT , the temperature coefficient of the standard cell potential.
Formic acid is a weak acid along with a pKa of 3.75. The name comes by the Latin term "formica" ("ant") since this is very plentiful into the secretions of several species of ants,
separation of metal
No. of valence orbitals- No of Hybrid orbitals.Apply the formula for no. of hybrid orbitals.If it exceeds 4 then the answer is 0.
the standard EMF of cell Pt/H2
Anomalous behavior of Fe
The series of elements involving the filling of 5f-orbitals is called actinoids series. They follow Ac (89) and include the fourteen elements from Th (90) and Lw (103). The chem
Q. Determine the heat transfer? Ans. Let's say a blacksmith tosses a hot horse shoe into a bucket of water. The horseshoe will get cooler while the water gets hotter. Ideally
Assignment
An element has electronic configuration 2, 8, 18, 1. If its atomic weight is 63, then how many neutrons will be present in its nucleus: (1) 30 (2) 32 (3) 34
equation of hess''s law
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