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Ca + 2 H2O = Ca(OH)2 + H2
CoCl2 + Na2S = CoS + NaCl =>
CoCl2 + Na2S = CoS + 2 NaCl
CaO + HCl(aq) = CaCl2 + H2O =>
CaO + 2 HCl(aq) = CaCl2 + H2O
Mg(s) + HI(aq) = MgI2(aq) + H2(g) =>
Mg(s) + 2 HI(aq) = MgI2(aq) + H2(g)
Fe(NO3)3 + K3[Fe(CN)6] = Fe3[(Fe(CN)6)]3 + KNO3 =>
3 Fe(NO3)3 + 3 K3[Fe(CN)6] = Fe3[(Fe(CN)6)]3 + 9 KNO3
K2SO4 + CaCl2 = KCl + CaSO4 =>
K2SO4 + CaCl2 = 2 KCl + CaSO4
Sm2O3 + HCl + H2O = SmCl3*6H2O =>
Sm2O3 + 6 HCl + 9 H2O = 2 SmCl3*6H2O
NaNO3 + Zn + H2O = Zn(OH)2 + NaOH + NH3 =>
NaNO3 + 4 Zn + 6 H2O = 4 Zn(OH)2 + NaOH + NH3
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Zn(NO3)2 + NaHCO3 = ZnCO3 + NaNO3 + CO2 + H2O =>
Zn(NO3)2 + 2 NaHCO3 = ZnCO3 + 2 NaNO3 + CO2 + H2O
CH2O + OH = HCO + H2O =>
CH2O + OH = HCO + H2O
Na2CO3 + SO3 = Na2SO4 + CO2 =>
Na2CO3 + SO3 = Na2SO4 + CO2
(NH4)2Fe(SO4)2*6H2O + H2C2O4*2H2O = FeC2O4*2H2O + (NH4)2SO4 + H2SO4 + H2O =>
(NH4)2Fe(SO4)2*6H2O + H2C2O4*2H2O = FeC2O4*2H2O + (NH4)2SO4 + H2SO4 + 6 H2O
Ni(NO3)2*6H2O + KNCS + PPH3 = [Ni(NCS)2(PPH3)2] + K + NO3 + H2O =>
Ni(NO3)2*6H2O + 2 KNCS + 2 PPH3 = [Ni(NCS)2(PPH3)2] + 2 K + 2 NO3 + 6 H2O
NaHCO3 + H3C6H507 = CO2 + H2O + NaC6H507 =>
267 NaHCO3 + 266 H3C6H507 = 261 CO2 + 279 H2O + 267 NaC6H507
C3H8O(g) + O2(g) = CO2(g) + H2O(g) =>
2 C3H8O(g) + 9 O2(g) = 6 CO2(g) + 8 H2O(g)
FeSO4 + AgNO3 + H2O = FeNO + SO4 + HNO4 + Ag =>
FeSO4 + 5 AgNO3 + 2 H2O = FeNO + SO4 + 4 HNO4 + 5 Ag
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
HOCH2CH2CH2CH2OH + KMnO4 + H2SO4 = HOOCCH2COOH + MnSO4 + H2O + K2SO4 =>
15 HOCH2CH2CH2CH2OH + 34 KMnO4 + 51 H2SO4 = 20 HOOCCH2COOH + 34 MnSO4 + 86 H2O + 17 K2SO4
K2SO3 + Br2 + KOH = KBr + K2SO4 + H2O =>
K2SO3 + Br2 + 2 KOH = 2 KBr + K2SO4 + H2O
Cu{2}{-2} + FeS2 + OH = Cu2S + Fe{2}{+} + SO4{2}{-} + H2O =>
2 Cu{2}{-2} + FeS2 + 8 OH = Cu2S + Fe{2}{+} + SO4{2}{-} + 4 H2O
Li3N + N2H4O3 = LiNO3 + (NH4)3N =>
Li3N + 3 N2H4O3 = 3 LiNO3 + (NH4)3N
HBr + Mg(No3)2 = MgBr2 + HNo3 =>
2 HBr + Mg(No3)2 = MgBr2 + 2 HNo3
H100 + O100H100 = H2O =>
H100 + O100H100 = 100 H2O
Fe2(SO4)3 + Pb(ClO4)2 = Fe(ClO4)3 + PbSO4 =>
Fe2(SO4)3 + 3 Pb(ClO4)2 = 2 Fe(ClO4)3 + 3 PbSO4
SiCl3 + H2O = Si(OH)3 + HCl =>
SiCl3 + 3 H2O = Si(OH)3 + 3 HCl
FeS2(g) + O2 = Fe3O4(g) + SO2(g) =>
3 FeS2(g) + 8 O2 = Fe3O4(g) + 6 SO2(g)
Cr2O3 + KOH = K3CrO3 + H2O =>
Cr2O3 + 6 KOH = 2 K3CrO3 + 3 H2O
Ni{2+} + Cu = Ni + Cu{2+} =>
Ni{2+} + Cu = Ni + Cu{2+}
Sn(OH)2 + NO2 = Sn(NO3)4 + NO + H2O =>
Sn(OH)2 + 7 NO2 = Sn(NO3)4 + 3 NO + H2O
K + O2 = KO2 =>
K + O2 = KO2
MnO2 + KBr + H2SO4 = MnSO4 + K2SO4 + Br2 + H2O =>
MnO2 + 2 KBr + 2 H2SO4 = MnSO4 + K2SO4 + Br2 + 2 H2O
Na2(Be(OH)4) + H2SO4 = Na2SO4 + (BeOH)2SO4 + H2O =>
2 Na2(Be(OH)4) + 3 H2SO4 = 2 Na2SO4 + (BeOH)2SO4 + 6 H2O
Na2O + MgCl2 = MgO + NaCl =>
Na2O + MgCl2 = MgO + 2 NaCl
C2 + O4 = CO3 =>
2 C2 + 3 O4 = 4 CO3
S(s) + Cl2(g) = SCl2(g) =>
S(s) + Cl2(g) = SCl2(g)
Na3PO4 + HgNO3 = Hg3PO4 + NaNO3 =>
Na3PO4 + 3 HgNO3 = Hg3PO4 + 3 NaNO3
C6H10O + NaBH4 = C6H12O + Na + B =>
2 C6H10O + NaBH4 = 2 C6H12O + Na + B
HBr + Mg(No3)2 = MgBr2 + HNo3 =>
2 HBr + Mg(No3)2 = MgBr2 + 2 HNo3
Cr + H2SO4 = Cr2SO43 + H2O + S =>
6 Cr + 43 H2SO4 = 3 Cr2SO43 + 43 H2O + 40 S
KMnO4 + Fe + H2SO4 = MnSO4 + Fe2(SO4)3 + H2O + K2SO4 =>
6 KMnO4 + 10 Fe + 24 H2SO4 = 6 MnSO4 + 5 Fe2(SO4)3 + 24 H2O + 3 K2SO4
NaNO3 + CH3COOH + Zn = NaOH + ZnNO3 + CH3CO =>
NaNO3 + CH3COOH + Zn = NaOH + ZnNO3 + CH3CO
FeO(s) + CO(s) = Fe(s) + CO2(g) =>
FeO(s) + CO(s) = Fe(s) + CO2(g)
Pb(NO3)2(aq) + NaBr(s) = PbBr2(s) + Na(NO3)(aq) =>
Pb(NO3)2(aq) + 2 NaBr(s) = PbBr2(s) + 2 Na(NO3)(aq)
Cr2(SO4)3 + Ca(OH)2 = Cr(OH)3 + CaSO4 =>
Cr2(SO4)3 + 3 Ca(OH)2 = 2 Cr(OH)3 + 3 CaSO4
Mg(s) + P4(s) = Mg3P2 =>
6 Mg(s) + P4(s) = 2 Mg3P2
HBr + Mg(No3)2 = MgBr2 + HNo3 =>
2 HBr + Mg(No3)2 = MgBr2 + 2 HNo3
I{-} + ClO{-} = IO3{-} + Cl{-} =>
I{-} + 3 ClO{-} = IO3{-} + 3 Cl{-}
HF + Cs2CO3 = H2CO3 + CsF =>
2 HF + Cs2CO3 = H2CO3 + 2 CsF
I{-} + ClO{-} = IO3{-} + Cl{-} =>
I{-} + 3 ClO{-} = IO3{-} + 3 Cl{-}
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