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Calculate the emf of the following voltaic cells;
(a) Pt/Fe2+(0.1M),Fe3+(0.2M)//Ag+(1M)/Ag
(b)Zn/Zn3+(10^-3M)//Ag+(10^-3M)/Ag
(c)Al/Al3+(0.1M)//Sn2+(0.37M)/Sn
Given that Zn/Zn2+(1M)//Cu2+(1M)/Cu
(a) calculate the emf of the cell
(b) predict if the reaction is spontaneous or non spontaneous
Given that Zn/Zn2+ E=0.34V, Cu2+/Cu E=1.10V
Given that Zn/Zn+ E=-0.76V and cu+/Cu E=+0.33V (a) calculate the end of the cell (b) predict it's spontaneous or non spontaneous
Name five different representations of mathematical ideas in the learning of
algebra.
A closed container of cubic shape is 15 cm on a side contains four times Avogadro's number of molecules at a temperature of 20.0 degree celsius.Calculate the amount of force exerted by the gas on one of the walls of the vessel.
At temperature of 20 degree Celsius, the length of a copper rod is 30 cm with a mass of 250g .Ravi heats up the copper rod by supplying 5 kJ of heat .Determine the length of the rod(in cm) after being heated.
What will be the molecular Hamiltonian for BeH2 molecule?
Addition reaction of carbonyl compounds
Water H2o
if the speed of an observer v is added to the speed of light c, the resultant speed will be equal to :
(a) v+c
(b) v-c
(c) c
(d) v
The maximum kinetic energy of emitted photoelectrons in a photoelectric cell is 7.5X10-19 J. What is the stopping
