Balancing Reactions WS
Balance the following chemical equations
a)
_____ Na (s) + _____ O 2(g)  _____ Na 2 O (s)
b)
_____ Al (s) + _____ Cl 2(g)  _____ AlCl 3(s)
c)
_____ N 2(g) + _____ O 2(g)  _____ NO 2(g)
d)
_____ HI (g)  _____ H 2(g) + _____ I2(s)
e)
_____ NH 3(g)  _____ H 2(g) + _____ N 2(g)
f)
_____ Al 2 S 3(s)  _____ Al (s) + _____ S 8(s)
g)
_____ BN (s) + _____ Cl 2(g)  _____ BCl 3(g) + _____ N 2(g)
h)
_____ SnF 4(aq) + _____ Cr (s)  _____ CrF 3(aq) + _____ Sn (s)
i)
_____ Mg (s) + _____ HCl (aq)  _____ MgCl 2(aq) + _____ H 2(g)
j)
_____ (NH 4 ) 3 PO 4(aq) + _____ CaBr 2(aq)  _____ Ca 3 (PO 4 ) 2(s) + _____ NH 4 Br (aq)
k)
_____ Pb(NO 3 ) 4(aq) + _____ K 2 Cr 2 O 7(aq)  _____ Pb(Cr 2 O 7 ) 2(s) + _____ KNO 3(aq)
l)
_____ AgClO 4(aq) + _____ Na 3 PO 4(aq)  _____ NaClO 4(aq) + _____ Ag 3 PO 4(s)
m)
_____ HCl (aq) + _____ Ca(OH) 2(s)  _____ CaCl 2(aq) + _____ H 2 O (l)
n)
_____ CH 3 COOH (aq) + _____ Ba(OH) 2(aq)  _____ Ba(CH 3 COO) 2(aq) + _____H 2 O (l)
o)
_____ C 3 H 8(g) + _____ O 2(g)  _____ CO 2(g) + _____ H 2 O (g)
p)
_____ C 6 H 14(l) + _____ O 2(g)  _____ CO 2(g) + _____ H 2 O (g)
q)
_____ C 3 H 6 OS 2(s) + _____ O 2(g)  _____ CO 2(g) + _____ H 2 O (g) + _____ SO 2(g)