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Ca(HCO3)2(s) + H2SO4 = CaSO4 + 2 H2O + 2 CO2
Na2SO3 + K2Cr2O7 + H2SO4 = K2SO4 + Na2SO4 + Cr2(SO4) + H2O =>
5 Na2SO3 + K2Cr2O7 + 2 H2SO4 = K2SO4 + 5 Na2SO4 + Cr2(SO4) + 2 H2O
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
C3H8O3 + HNO3 + K2Cr2O7 = KNO3 + Cr(NO3)3 + CO2 + H2O =>
3 C3H8O3 + 56 HNO3 + 7 K2Cr2O7 = 14 KNO3 + 14 Cr(NO3)3 + 9 CO2 + 40 H2O
CuCl2 + CaO + H2O = Cu2(OH)3Cl + CaCl2 =>
4 CuCl2 + 3 CaO + 3 H2O = 2 Cu2(OH)3Cl + 3 CaCl2
C12H22O11 + HNO3 = C2H2O4 + NO2 + H2O =>
C12H22O11 + 36 HNO3 = 6 C2H2O4 + 36 NO2 + 23 H2O
NH4NO2 + H2SO4 + KMnO4 = NH4NO3 + MnSO4 + K2SO4 + H2O =>
5 NH4NO2 + 3 H2SO4 + 2 KMnO4 = 5 NH4NO3 + 2 MnSO4 + K2SO4 + 3 H2O
(NH4)3PO4 + HCl = NH4Cl + H3PO4 =>
(NH4)3PO4 + 3 HCl = 3 NH4Cl + H3PO4
C2H3O2H + Al(OH)3 = Al(C2H3O2)3 + H2O =>
3 C2H3O2H + Al(OH)3 = Al(C2H3O2)3 + 3 H2O
Ca(s) + H3PO4(g) = Ca3(PO4)2(g) + H2(g) =>
3 Ca(s) + 2 H3PO4(g) = Ca3(PO4)2(g) + 3 H2(g)
(NH4)3PO4 + HCl = NH4Cl + H3PO4 =>
(NH4)3PO4 + 3 HCl = 3 NH4Cl + H3PO4
PhCH3 + Na2O2 = PhCOOH + Na2O + H2O =>
PhCH3 + 3 Na2O2 = PhCOOH + 3 Na2O + H2O
C4H10 + S = CS2 + H2S =>
C4H10 + 13 S = 4 CS2 + 5 H2S
ZnSO4 = Zn + SO2 + O2 =>
ZnSO4 = Zn + SO2 + O2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
(NH4)3PO4 + HCl = NH4Cl + H3PO4 =>
(NH4)3PO4 + 3 HCl = 3 NH4Cl + H3PO4
NH3 + H2O + CuSO4 = Cu(OH)2 + (NH4)2SO4 =>
2 NH3 + 2 H2O + CuSO4 = Cu(OH)2 + (NH4)2SO4
K + F2 = KF =>
2 K + F2 = 2 KF
H2O2 + KOH + K[Cr(OH)4] = K2CrO4 + H2O =>
3 H2O2 + 2 KOH + 2 K[Cr(OH)4] = 2 K2CrO4 + 8 H2O
(NH4)3PO4 + HCl = NH4Cl + H3PO4 =>
(NH4)3PO4 + 3 HCl = 3 NH4Cl + H3PO4
H2SO4 + HNO3 = HSO4{-} + NO2{+} + H2O =>
H2SO4 + HNO3 = HSO4{-} + NO2{+} + H2O
FeCl = Cl2 + Fe =>
2 FeCl = Cl2 + 2 Fe
K(s) + O2(g) = K2O(s) =>
4 K(s) + O2(g) = 2 K2O(s)
Ca + OH = CaO + H2 =>
2 Ca + 2 OH = 2 CaO + H2
(NH4)3PO4 + HCl = NH4Cl + H3PO4 =>
(NH4)3PO4 + 3 HCl = 3 NH4Cl + H3PO4
Al + HF = AlF3 + H2 =>
2 Al + 6 HF = 2 AlF3 + 3 H2
K2S + Mg(ClO3)2 = MgS + KClO3 =>
K2S + Mg(ClO3)2 = MgS + 2 KClO3
NaOH + CO2 + H2O = NaH3CO4 =>
NaOH + CO2 + H2O = NaH3CO4
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
C8H16(l) + O2(g) = CO2(g) + H2O(g) =>
C8H16(l) + 12 O2(g) = 8 CO2(g) + 8 H2O(g)
(NH4)3PO4 + HCl = NH4Cl + H3PO4 =>
(NH4)3PO4 + 3 HCl = 3 NH4Cl + H3PO4
ZnCO3(s) = ZnO + CO2 =>
ZnCO3(s) = ZnO + CO2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
(Cu(NH3)4)SO4 + KOH = K2SO4 + NH3 + Cu(OH)2 =>
(Cu(NH3)4)SO4 + 2 KOH = K2SO4 + 4 NH3 + Cu(OH)2
Zn + H2SO4(k) = ZnSO4 + S + H2O =>
3 Zn + 4 H2SO4(k) = 3 ZnSO4 + S + 4 H2O
Cr2O7{-2} + NH4{+} = N2 + Cr2O3 + H2O =>
Cr2O7{-2} + 2 NH4{+} = N2 + Cr2O3 + 4 H2O
(Cu(NH3)4)SO4 + KOH = K2SO4 + NH3 + Cu(OH)2 =>
(Cu(NH3)4)SO4 + 2 KOH = K2SO4 + 4 NH3 + Cu(OH)2
Ag + HNO3 = AgNO3 + NO + HO =>
Ag + 2 HNO3 = AgNO3 + NO + 2 HO
HSO4 + CuOH = HOH + CuSO4 =>
HSO4 + CuOH = HOH + CuSO4
Fe(NO3)3 + HCl = Fe(NO3)3HCl =>
Fe(NO3)3 + HCl = Fe(NO3)3HCl
HCOOH + KMnO4 + KOH = K2CO3 + MnO2 + H2O =>
3 HCOOH + 2 KMnO4 + 4 KOH = 3 K2CO3 + 2 MnO2 + 5 H2O
NaCl + MnO2 + H2SO4 = NaHSO4 + MnSO4 + Cl2 + H2O =>
2 NaCl + MnO2 + 3 H2SO4 = 2 NaHSO4 + MnSO4 + Cl2 + 2 H2O
Ca + KCl = KCaCl =>
Ca + KCl = KCaCl
K + F = KF =>
K + F = KF
AgCl + NaCN + Zn = NaCl + Na2Zn(CN)4 + Ag =>
2 AgCl + 4 NaCN + Zn = 2 NaCl + Na2Zn(CN)4 + 2 Ag
C10H12O2 + FeCl3 = C10H9O2Fe + HCl =>
C10H12O2 + FeCl3 = C10H9O2Fe + 3 HCl
B + NaOH + H2O = Na[B(OH)4] + H2 =>
2 B + 2 NaOH + 6 H2O = 2 Na[B(OH)4] + 3 H2
Cu(NO3)2 + KI = CuI + KNO3 + I20 =>
20 Cu(NO3)2 + 40 KI = 20 CuI + 40 KNO3 + I20
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
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