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CO2 + 4 H2 = CH4 + 2 H2O
H3P + O2 = H2O + P4 =>
4 H3P + 3 O2 = 6 H2O + P4
C6H18O + O2 = CO2 + H2O =>
C6H18O + 10 O2 = 6 CO2 + 9 H2O
PS = P + S =>
PS = P + S
HO = H + O2 =>
2 HO = 2 H + O2
HCaCl2 + O2 = Ca(ClO3)2 + H2O =>
4 HCaCl2 + 13 O2 = 4 Ca(ClO3)2 + 2 H2O
Zn(NO3)2 + K3PO4 = Zn3(PO4)2 + K(NO3) =>
3 Zn(NO3)2 + 2 K3PO4 = Zn3(PO4)2 + 6 K(NO3)
Cd + Br2 = CdBr2 =>
Cd + Br2 = CdBr2
Cu(s) + H2O(l) = CuO + H2 =>
Cu(s) + H2O(l) = CuO + H2
Cu(s) + H2O(l) = CuO(s) + H2(g) =>
Cu(s) + H2O(l) = CuO(s) + H2(g)
Hg + O = HgO =>
Hg + O = HgO
KHCO3 + Na2CO3 = NaKCO3 + H2O + CO2 =>
2 KHCO3 + Na2CO3 = 2 NaKCO3 + H2O + CO2
H3PO4 + Na2S2O3 = Na3PO4 + S + H2O + SO2 =>
2 H3PO4 + 3 Na2S2O3 = 2 Na3PO4 + 3 S + 3 H2O + 3 SO2
NaNO2 = NaNO3 + NO + Na2O =>
3 NaNO2 = NaNO3 + 2 NO + Na2O
F + W + S + P = FW3SP2 =>
F + 3 W + S + 2 P = FW3SP2
C6H13 + O2 = CO2 + H2O =>
4 C6H13 + 37 O2 = 24 CO2 + 26 H2O
NaOH + Ag2(SO4)3 = Ag(OH)3 + Na2SO4 =>
6 NaOH + Ag2(SO4)3 = 2 Ag(OH)3 + 3 Na2SO4
HCl + ClONO2 = Cl + HNO3 =>
HCl + ClONO2 = 2 Cl + HNO3
Cr2O3 + HCl = CrCl3 + H2 + O =>
Cr2O3 + 6 HCl = 2 CrCl3 + 3 H2 + 3 O
Fe3 + O2 = Fe3O4 =>
Fe3 + 2 O2 = Fe3O4
BaCl2 + C = Ba + CCl4 =>
2 BaCl2 + C = 2 Ba + CCl4
AgNO3 + HBr = AgBr + HNO3 =>
AgNO3 + HBr = AgBr + HNO3
FeCl2 + H2O = Fe3O4 + HCl + H =>
3 FeCl2 + 4 H2O = Fe3O4 + 6 HCl + 2 H
Ca3(PO4)2(aq) + H2SO4(aq) = CaSO4(aq) + Ca(H2PO4)2(aq) =>
Ca3(PO4)2(aq) + 2 H2SO4(aq) = 2 CaSO4(aq) + Ca(H2PO4)2(aq)
K2Cr2O7 + KNO2 + H2SO4 = KNO3 + K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 3 KNO2 + 4 H2SO4 = 3 KNO3 + K2SO4 + Cr2(SO4)3 + 4 H2O
H + S + O = H2SO3 =>
2 H + S + 3 O = H2SO3
V2O5 + H2 = V2O3 + H2O =>
V2O5 + 2 H2 = V2O3 + 2 H2O
HCl(aq) + NaHCO3(s) = NaCl(aq) + H2O(l) + CO2(g) =>
HCl(aq) + NaHCO3(s) = NaCl(aq) + H2O(l) + CO2(g)
Mo2O5 + H2O = Mo(OH)5 =>
Mo2O5 + 5 H2O = 2 Mo(OH)5
Ag + NaOH = Ag(OH)3 + Na =>
Ag + 3 NaOH = Ag(OH)3 + 3 Na
KI + HCl + MnO2 = I + H2O + KCl + MnCl2 =>
2 KI + 4 HCl + MnO2 = 2 I + 2 H2O + 2 KCl + MnCl2
AlCl3 + I = AlI3 + Cl =>
AlCl3 + 3 I = AlI3 + 3 Cl
CH2O + Ag2O = CHOOH + Ag =>
CH2O + Ag2O = CHOOH + 2 Ag
C6H8O7 + H2O = C6H10O8 =>
C6H8O7 + H2O = C6H10O8
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
C2H6O + KMnO4 = C2H4O2 + MnO2 + KOH + H2O =>
3 C2H6O + 4 KMnO4 = 3 C2H4O2 + 4 MnO2 + 4 KOH + H2O
Pb(NO3)2 + H2O = PbO + HNO3 =>
Pb(NO3)2 + H2O = PbO + 2 HNO3
K2CO3 + TiO2 = K2Ti4O9 + CO2 =>
K2CO3 + 4 TiO2 = K2Ti4O9 + CO2
PbSO4 + H2O = Pb + PbO2 + H2SO4 =>
2 PbSO4 + 2 H2O = Pb + PbO2 + 2 H2SO4
KCl + HOH = KOH + HCl =>
KCl + HOH = KOH + HCl
H2S + FeS + CO2 = FeS2 + HCO2H =>
H2S + FeS + CO2 = FeS2 + HCO2H
Sr3(PO4)2 = SrO + P2O5 =>
Sr3(PO4)2 = 3 SrO + P2O5
ClO4{-} + H = ClO3{-} + H2O =>
ClO4{-} + 2 H = ClO3{-} + H2O
NH4Br + Pb(C2H3O2)2 = (NH4)2Pb + Br(C2H3O2) =>
2 NH4Br + Pb(C2H3O2)2 = (NH4)2Pb + 2 Br(C2H3O2)
K2SO3 + HBr = KBr + H2SO3 =>
K2SO3 + 2 HBr = 2 KBr + H2SO3
Na2S2O3 + HNO3 = NaNO3 + H2O + SO2 + S8 =>
8 Na2S2O3 + 16 HNO3 = 16 NaNO3 + 8 H2O + 8 SO2 + S8
Sn + Cl2 = SnCl4 =>
Sn + 2 Cl2 = SnCl4
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Al + KNO3 + NaOH + H2O = Na3[Al(OH)6] + KOH + NH3 =>
8 Al + 3 KNO3 + 24 NaOH + 18 H2O = 8 Na3[Al(OH)6] + 3 KOH + 3 NH3
HClO = H2O + Cl2O =>
2 HClO = H2O + Cl2O
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