Calculate the potential for half cell containing 0.1 M K_2Cr_2O_7(aq) , 0.20 M Cr^(3+)(aq) and 1.0xx10^-4 M H^(+)(aq) The half cell reaction is. CrO_7^(2-)(aq)+14H^(+)+6barerarr2Cr^(3+)(aq)+7H_2O(l) and the standard electrode potential is given as: E^@=1.33V .
Complete the following chemical equation : Cr_2O_7^(2-) (aq)+ Fe^(2+) (aq)+ H^(+) (aq)rarr
The cell reaction 2Ag^+(aq)+H_2(g)to2H^+(aq)+2Ag(s) ,best represented by :
Complete the reaction : Cu^(2+) (aq) + NH_3 (aq.) rarr
The cell reaction Hg_2Cl_2(s)+cu(s)to cu^(2+)(aq)+2Cl^-"(aq)+2Hg(l) ,best represented by :
Complete the following chemical reaction equations . Cr_2O_7^(2-) (aq) + Fe^(2+) (aq) + H^+ (aq) to
Complete the following chemical equation : Cr_2O_7^(2-) (aq)+ H_2S (g)+ H^(+) (aq) rarr
Consider the reaction: Cr_2O_7^2- + 14H^+ + 6e^- rarr 2Cr^(3+) + 7H_2O What is the quantity of electricity in coulombs needed to reduce 1 mol of Cr_2O_7^(2-) ?