Question

please answer it fast 5th one​

Answer 1

Answer:

5) H2 +O2=H2O

2 H2+O2=2 H20

Answer 2

$\rm2C + O_2 \longrightarrow 2CO$

$\rm N_2 + O_2 \longrightarrow 2NO$

$\rm C+CO_ 2\longrightarrow 2CO$

$\rm H_2 + Cl_2 \longrightarrow2HCl$

$\rm2H_2+O_2 \longrightarrow 2H_2O$

I hope it is helpful