Question

Balance the following chemical reaction equations using the lowest whole number coefficients.
a. _____Na(s) + _____O2 (g) _____Na2 O(s)
b. _____NCl3 (l) _____N2 (g) + _____Cl2 (g)
c. _____C2 H4 (g) + _____O2 (g) _____CO2 (g) + _____H2 O(g)
d. _____TiCl4 (aq) + _____H2 O(l) _____TiO2 (s) + _____HCl(aq)
e. _____CaCl2 (aq) + _____KOH(aq) _____Ca(OH)2 (s) + _____KCl(aq)

Answer 1

a)4Na+O2=2Na2O

b)2NCl3=N2+3Cl2

c)C2H4+3O2=2CO2+2H2O

d)TiCl4+2H2O=TiO2+4HCl

e)CaCl2+2KOH=Ca(OH)2+2KCl