N2+O2→?+H2O →?+Mg→Mg(NO3)2

Question

N2+O2→?+H2O →?+Mg→Mg(NO3)2

Answer 1

1) n2 + o2 = 2no
2) 4no + h2o = n2o + 2hno3
3) 10hno3(разб) + 4mg = 4mg(no3)2 + n2o↑ + 5h2o