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2 H2 + O2 = 2 H2O
C2H6 + O2 = H2O + CO2 =>
2 C2H6 + 7 O2 = 6 H2O + 4 CO2
(NH4)2CO3 = NH3 + H2O + CO2 =>
(NH4)2CO3 = 2 NH3 + H2O + CO2
CuCO3(s) = CuO(s) + CO2(g) =>
CuCO3(s) = CuO(s) + CO2(g)
C108H218 + O2 = CO2 + H2O =>
2 C108H218 + 325 O2 = 216 CO2 + 218 H2O
K + I3 = KI =>
3 K + I3 = 3 KI
S + O2 = SO2 =>
S + O2 = SO2
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Zn(NO3)2 + Ba(OH)2 = Zn(OH)2 + Ba(NO3)2 =>
Zn(NO3)2 + Ba(OH)2 = Zn(OH)2 + Ba(NO3)2
LiOH + HBr = LiBr + H2O =>
LiOH + HBr = LiBr + H2O
As3 + N5 = As3N5 =>
As3 + N5 = As3N5
K + CL = KCL =>
K + CL = KCL
LiOH + HBr = LiBr + H2O =>
LiOH + HBr = LiBr + H2O
Zn(s) + HCl(aq) = ZnCl2(aq) + H2(g) =>
Zn(s) + 2 HCl(aq) = ZnCl2(aq) + H2(g)
S + O2 = SO4 =>
S + 2 O2 = SO4
Na + S = NaS =>
Na + S = NaS
KOH + NANO3 = KNO3 + NAOH =>
KOH + NANO3 = KNO3 + NAOH
ZN(OH)2 + KOH = K2ZNO2 + H2O =>
ZN(OH)2 + 2 KOH = K2ZNO2 + 2 H2O
Mg2 + O2 = Mg2O2 =>
Mg2 + O2 = Mg2O2
Zn(s) + CuSO4(aq) = ZnSO4(aq) + Cu(s) =>
Zn(s) + CuSO4(aq) = ZnSO4(aq) + Cu(s)
H2 + Fe3O4 = Fe + H2O =>
4 H2 + Fe3O4 = 3 Fe + 4 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C2H + O2 = CO2 + H2O =>
4 C2H + 9 O2 = 8 CO2 + 2 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Fe + S = Fe2S3 =>
2 Fe + 3 S = Fe2S3
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
Al + HgCl2 = AlCl3 + Hg2 =>
4 Al + 6 HgCl2 = 4 AlCl3 + 3 Hg2
Na + S = NaS =>
Na + S = NaS
Pb(NO3)2(aq) + KI(aq) = KNO3(aq) + PbI2(s) =>
Pb(NO3)2(aq) + 2 KI(aq) = 2 KNO3(aq) + PbI2(s)
C + Fe2O3 = Fe + CO =>
3 C + Fe2O3 = 2 Fe + 3 CO
H2SO4 = S + H2O + O2 =>
2 H2SO4 = 2 S + 2 H2O + 3 O2
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
HCl + Zn(OH) = ZnCl + H2O =>
HCl + Zn(OH) = ZnCl + H2O
P + O2 = PO =>
2 P + O2 = 2 PO
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
NAO + H20 = NAOH =>
20 NAO + H20 = 20 NAOH
Mg + NaF = MgF2 + Na =>
Mg + 2 NaF = MgF2 + 2 Na
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
Au + KCN + H2O + O2 = KAu(CN)4 + KOH =>
4 Au + 16 KCN + 6 H2O + 3 O2 = 4 KAu(CN)4 + 12 KOH
KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + O =>
2 KMnO4 + 3 H2SO4 = 3 H2O + K2SO4 + 2 MnSO4 + 5 O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
MnO + O2 = MnO2 =>
2 MnO + O2 = 2 MnO2
FESO4 + KMNO4 + H2SO4 = FE(SO4)3 + MNSO4 + K2SO4 + H2O =>
5 FESO4 + 4 KMNO4 + 16 H2SO4 = 5 FE(SO4)3 + 4 MNSO4 + 2 K2SO4 + 16 H2O
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
PbCl2 + NaClO + H2O = PbO2 + NaCl + HCl =>
PbCl2 + NaClO + H2O = PbO2 + NaCl + 2 HCl
HCl + Zn(OH) = ZnCl + H2O =>
HCl + Zn(OH) = ZnCl + H2O
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
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