Question
PLEASE HELP ME WITH THESE QUESTIONS
Balance the following equation in acidic solution using the lowest possible integer coefficients, What is the coefficient of water Fe3+(aq) + NH2OH2+(aq) rightarrow Fe2+(aq) +N2O(g) 0 1 2 4 6 Calculate the value of Keq at 25 degree C for the reaction F2(g) +l Edegree(F2/F)=2.866 V;Edegree(I2/I-)=0.535 V. Select answer that is closest. 6.0 x1078 1.4x10-79 2.33 2.6x1039 53x1039 Given the following standard reduction potentials. i) will lead metal displace Fe2+ ion from aqueous solution and ii) is the reaction Cl2 (g) + Fe (s) 2 Cl (aq) + Fe2+ (aq), spontaneous? (Edegree( Fe2+/Fe) = -0.440 V, Edegree(Pb2+Pb) = -0.125 V. Edegree( Cl2/cl) = 1.358 V; i) yes; ii) yes i)yes;ii)no i)no;ii)yes i) no; ii) no impossible to tell A voltaic cell consists of an MnMn2+ electrode (Ered degree =-1.18 V) and a Fe/Fe2+ electrode [Mn2+] = 0.050 M and Ecell = 0.78 V 0.24M 1.1M 1.8M 0.08M 0.040M In the electrolysis of molten NaCl, what are the products at the anode and cathode, respectively? Na+, Cl- Na(l), Cl2(g) Cl,Na+ Cl2(g),Na(l) Cl-,Na+ Which substance will NOT produce the stated element upon electrolysis? F2 from AlF3(l) Fe from
Explanation / Answer
30)b
31)A
32)C
33)A
34)D
35)E
