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H4C4O4 + 2 NaOH = 2 H2O + Na2C4H2O4
CaSO4 + H2SO4 = Ca[HSO4]2 =>
CaSO4 + H2SO4 = Ca[HSO4]2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CaB4O7 = Ca + B4O7 =>
CaB4O7 = Ca + B4O7
PbS + HCl = Pb + Cl + H2S =>
PbS + 2 HCl = Pb + 2 Cl + H2S
AgCl(s) + NaNO3(aq) + NH3(aq) + H2O = AgNO3 + NH3Cl + NaH =>
10 AgCl(s) + 9 NaNO3(aq) + 11 NH3(aq) + 3 H2O = 10 AgNO3 + 10 NH3Cl + 9 NaH
K2Cr2O7 + Cu2O + H2SO4 = K2SO4 + Cr2(SO4)3 + CuSO4 + H2O =>
K2Cr2O7 + 3 Cu2O + 10 H2SO4 = K2SO4 + Cr2(SO4)3 + 6 CuSO4 + 10 H2O
Ba(OH)2 + ZnO = Ba(ZnO2) + H2O =>
Ba(OH)2 + ZnO = Ba(ZnO2) + H2O
N3PO4 + NaOH = Na3PO4 + NOH =>
N3PO4 + 3 NaOH = Na3PO4 + 3 NOH
Na2SO4 + PbS = PbSO4 + Na2S =>
Na2SO4 + PbS = PbSO4 + Na2S
SnS + As2S3 + HClO4 + H2O = Sn3(AsO4)4 + H2SO4 + HCl =>
12 SnS + 8 As2S3 + 43 HClO4 + 36 H2O = 4 Sn3(AsO4)4 + 36 H2SO4 + 43 HCl
K3PO4 + NaNO3 = KNO3 + Na3PO4 =>
K3PO4 + 3 NaNO3 = 3 KNO3 + Na3PO4
K2Cr2O7 + C2H5OH + H2SO4 = Cr2(SO4)3 + CH3COH + K2SO4 + H2O =>
K2Cr2O7 + 3 C2H5OH + 4 H2SO4 = Cr2(SO4)3 + 3 CH3COH + K2SO4 + 7 H2O
CaHPO4 = H3PO4 + Ca3(PO4)2 =>
3 CaHPO4 = H3PO4 + Ca3(PO4)2
PbO2 + H = Pb + H2O =>
PbO2 + 4 H = Pb + 2 H2O
Mg2 + (CO3)2 = MgCO3 =>
Mg2 + (CO3)2 = 2 MgCO3
Al + HNO2 = Al1(NO2)3 + H2 =>
2 Al + 6 HNO2 = 2 Al1(NO2)3 + 3 H2
MgI2 + H2O = MgO + IH =>
MgI2 + H2O = MgO + 2 IH
Cu + Al2(SO4)3 = CuSO4 + Al =>
3 Cu + Al2(SO4)3 = 3 CuSO4 + 2 Al
NaC2H3O2 + AgNO3 = NaNO3 + AgC2H3O2 =>
NaC2H3O2 + AgNO3 = NaNO3 + AgC2H3O2
Pb(C2H3O2)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4(C2H3O2) =>
3 Pb(C2H3O2)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4(C2H3O2)
CrBr2(aq) + Na2CO3(aq) = CrCO3(aq) + NaBr(aq) =>
CrBr2(aq) + Na2CO3(aq) = CrCO3(aq) + 2 NaBr(aq)
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
H2S + HCIO3 = S + HCI + H2O =>
3 H2S + HCIO3 = 3 S + HCI + 3 H2O
Mn2O7 + C3H8O3 = Mn + CO2 + H2O =>
Mn2O7 + C3H8O3 = 2 Mn + 3 CO2 + 4 H2O
C2O = C + O2 =>
2 C2O = 4 C + O2
OMg + HCl = MgCl2 + H2O =>
OMg + 2 HCl = MgCl2 + H2O
SnOH4 = Sn + O2 + H2 =>
2 SnOH4 = 2 Sn + O2 + 4 H2
C4H8 + Br = C4H8Br2 =>
C4H8 + 2 Br = C4H8Br2
CO + CH4O = CH3COOH =>
CO + CH4O = CH3COOH
MgCl2(aq) + K2CO3(aq) = MgCO3 + KCl =>
MgCl2(aq) + K2CO3(aq) = MgCO3 + 2 KCl
NaHCO3 + HCH3CO2 = NaCH3CO2 + H2O + CO2 =>
NaHCO3 + HCH3CO2 = NaCH3CO2 + H2O + CO2
CH3COCH3 + NaHSO3 = CH3COOH + NaHSO2 =>
2 CH3COCH3 + 4 NaHSO3 = 3 CH3COOH + 4 NaHSO2
OMg + HCl = MgCl2 + H2O =>
OMg + 2 HCl = MgCl2 + H2O
C3H6 + HCl = C5H11Cl =>
5 C3H6 + 3 HCl = 3 C5H11Cl
NaH2PO4 = NaPO4 + H6 =>
3 NaH2PO4 = 3 NaPO4 + H6
H + H3PO4 + KOH = H2O + K3HPO4 =>
H + H3PO4 + 3 KOH = 3 H2O + K3HPO4
NaCl + MgSO4 = MgCl2 + Na2SO4 =>
2 NaCl + MgSO4 = MgCl2 + Na2SO4
HNO3 + H2O2 + CO(NH2)2 = CO2 + NH4NO3 =>
8 HNO3 + 4 H2O2 + 5 CO(NH2)2 = 5 CO2 + 9 NH4NO3
OMg + HCl = MgCl2 + H2O =>
OMg + 2 HCl = MgCl2 + H2O
NaC + O2 = NaCO2 =>
NaC + O2 = NaCO2
PbO2 + O2 = PbO4 =>
PbO2 + O2 = PbO4
CuO + ZnSO4 = CuSO4 + ZnO =>
CuO + ZnSO4 = CuSO4 + ZnO
Ba(OH)2 + ZnO = Ba(ZnO2) + H2O =>
Ba(OH)2 + ZnO = Ba(ZnO2) + H2O
C4H10 + Br2 = C4H8Br2 + HBr =>
C4H10 + 2 Br2 = C4H8Br2 + 2 HBr
Mg(OH)2 + P4O10 = H2O + Mg3(PO4)2 =>
6 Mg(OH)2 + P4O10 = 6 H2O + 2 Mg3(PO4)2
Hg2(NO3)2 + KBr = Hg2Br2 + K(NO3) =>
Hg2(NO3)2 + 2 KBr = Hg2Br2 + 2 K(NO3)
PbSO4 + NH4(OH)2 = Pb(OH)2 + NH4SO4 =>
PbSO4 + NH4(OH)2 = Pb(OH)2 + NH4SO4
CuBr + HNO3 = Cu(NO3)2 + Br2 + NO2 + H2O =>
2 CuBr + 8 HNO3 = 2 Cu(NO3)2 + Br2 + 4 NO2 + 4 H2O
I2 + KOH = KIO3 + KI + H3O =>
9 I2 + 18 KOH = 4 KIO3 + 14 KI + 6 H3O
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