Which element is oxidized and which is reduced in the following reactions? N2(g)+3H2(g)→2NH3(g)
Express your answers as chemical symbols separated by a comma. Enter the oxidized element first.
3Fe(NO3)2(aq)+2Al(s)→3Fe(s)+2Al(NO3 )3(aq)
Express your answers as chemical symbols separated by a comma. Enter the oxidized element first.
Cl2(aq)+2NaI(aq)→I2(aq)+2NaCl(aq) Express your answers as chemical symbols separated by a comma. Enter the oxidized element first.
PbS(s)+4H2O2(aq)→PbSO4(s)+4H2O(l) Express your answers as chemical symbols separated by a comma. Enter the oxidized element first.