For the first reaction:HNO3 + Al -> NH4NO3 + H2Balanced equation:4HNO3 + Al -> NH4NO3 + 3H2
For the second reaction:H2SO4 + K -> SO2 + S + H2OBalanced equation:H2SO4 + 2K -> SO2 + K2SO4 + H2O
For the first reaction:
HNO3 + Al -> NH4NO3 + H2
Balanced equation:
4HNO3 + Al -> NH4NO3 + 3H2
For the second reaction:
H2SO4 + K -> SO2 + S + H2O
Balanced equation:
H2SO4 + 2K -> SO2 + K2SO4 + H2O