Write the cell reaction and electrode half-reactions and calculate the standard potential of each of the following cells:.(a) Pt|Cl2(g)|HCl(aq)||K2CrO4(aq)|Ag2Cr O4(s)|Ag(b) Pt|Fe3+(aq),Fe2+(aq)||Sn4+(aq),Sn2+ (aq)|Pt(c) Cu|Cu2+(aq)||Mn2+(aq),H+(aq)|MnO2(s )|Pt

What is the ph of a solution with a concentration of 5.2 × 10–8 m h3o+?

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

Stage in which a typical star has completely stopped fusion