Physical Chemistry Answers

Given the Ag+/Ag=0.8V, Cu2+/Cu=0.34V Calculate the standard emf of the cell and the equilibrium constant

Given Cu2+/Cu=0.34V and Cu2+/Cu+=0.153V, calculate the equilibrium constant for the reaction Cu + Cu2+<->2Cu2+

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 Fe3+/Fe2+=0.77V, Zn2+/Zn=-0.76V, Sn2+/Sn=-0.14V, Ag+/Ag=0.8V, Al3+/Al=-2.56V

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

What will be the molecular Hamiltonian for BeH2 molecule?

A lead (Pb) pellet having a mass of 26 point 47 g at 89.98 degrees celsius was placed in a constant pressure colorimeter of negligible heat capacity containing 100.p ml of water the water temperature rose from the 22.50 degrees celsius to 23.17 degrees celsius what is the specific heat of the lead pellet?

what is the percent hydrogen. in ammonium oxalate