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Co(OH)2 + 2 HNO3 = Co(NO3)2 + 2 H2O
Ca3(Po4)2 + KOH = Ca(OH)2 + K3Po4 =>
Ca3(Po4)2 + 6 KOH = 3 Ca(OH)2 + 2 K3Po4
NO + H2SO4 + KMnO4 = HNO3 + K2SO4 + MnSO4 + H2O =>
10 NO + 9 H2SO4 + 6 KMnO4 = 10 HNO3 + 3 K2SO4 + 6 MnSO4 + 4 H2O
COBr = CO + Br2 =>
2 COBr = 2 CO + Br2
ZnSO4 + LiClO3 = Zn(ClO3)2 + Li2SO4 =>
ZnSO4 + 2 LiClO3 = Zn(ClO3)2 + Li2SO4
HCl + ZnSO3 = ZnCl2 + H2O + SO2 =>
2 HCl + ZnSO3 = ZnCl2 + H2O + SO2
Ca(NO3)2 + C2H5OH = (CH3COO)2Ca + Ca(NO2)2 + CH3CONO + H2O =>
3 Ca(NO3)2 + 4 C2H5OH = (CH3COO)2Ca + 2 Ca(NO2)2 + 2 CH3CONO + 6 H2O
CaBr2(aq) + K2S(aq) = CaS(s) + KBr(aq) =>
CaBr2(aq) + K2S(aq) = CaS(s) + 2 KBr(aq)
C11H12O3 + NH4OCl + Na2CO3 = C11H13NO3 + H2CO3 + NaOCl + H2O =>
48 C11H12O3 + 50 NH4OCl + 25 Na2CO3 = 50 C11H13NO3 + 3 H2CO3 + 50 NaOCl + 60 H2O
Na2O + HI = Na2I2 + H2O =>
Na2O + 2 HI = Na2I2 + H2O
P + OH{-} + H2O = PH3 + H2PO2{-} =>
4 P + 3 OH{-} + 3 H2O = PH3 + 3 H2PO2{-}
Na2SO3 + NaOH + AgNO3 = Ag + NaNO3 + H2O + Na2SO4 =>
Na2SO3 + 2 NaOH + 2 AgNO3 = 2 Ag + 2 NaNO3 + H2O + Na2SO4
P8 + O2 = P2O5 =>
P8 + 10 O2 = 4 P2O5
K2Cr2O7 + HI + H2SO4 = Cr2(SO4)3 + HIO3 + KHSO4 + H2O =>
K2Cr2O7 + HI + 5 H2SO4 = Cr2(SO4)3 + HIO3 + 2 KHSO4 + 4 H2O
K + CuSO4 = KSO4Cu =>
K + CuSO4 = KSO4Cu
Fe2S3 + O2 = SO2 + FeO2 =>
Fe2S3 + 5 O2 = 3 SO2 + 2 FeO2
Mg(NO3)2 + H2S = MgS + HNO3 =>
Mg(NO3)2 + H2S = MgS + 2 HNO3
MnO2 + ClO3{-} + OH{-} = MnO3{-} + Cl + H2O =>
5 MnO2 + ClO3{-} + 4 OH{-} = 5 MnO3{-} + Cl + 2 H2O
PbCl4 = Pb4 + Cl2 =>
4 PbCl4 = Pb4 + 8 Cl2
HCl + ZnSO3 = ZnCl2 + H2O + SO2 =>
2 HCl + ZnSO3 = ZnCl2 + H2O + SO2
C + HO = CO2 + H2 =>
C + 2 HO = CO2 + H2
HCl + NiSO4 = NiCl2 + H2SO4 =>
2 HCl + NiSO4 = NiCl2 + H2SO4
KMnO4 + H2SO4 + Na2B2(O2)2(OH)4*6H2O = K2SO4 + MnO4 + NaOH + B + H2O =>
10 KMnO4 + 5 H2SO4 + Na2B2(O2)2(OH)4*6H2O = 5 K2SO4 + 10 MnO4 + 2 NaOH + 2 B + 12 H2O
KNO3 + H2OC3 = K2OC3 + HNO3 =>
2 KNO3 + H2OC3 = K2OC3 + 2 HNO3
Li2CO3 + H2O = LiOH + H2CO3 =>
Li2CO3 + 2 H2O = 2 LiOH + H2CO3
CH3CHClCH2CH3 + KOH = CH3CHOHCH2CH3 + KCl =>
CH3CHClCH2CH3 + KOH = CH3CHOHCH2CH3 + KCl
Ag3AuS3 + HNO3 = AgNO3 + Au2O3 + H2O + NO + SO2 =>
2 Ag3AuS3 + 18 HNO3 = 6 AgNO3 + Au2O3 + 9 H2O + 12 NO + 6 SO2
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
N2(s) + O2(g) = N2O5(s) =>
2 N2(s) + 5 O2(g) = 2 N2O5(s)
CH3COOH + NH4OH = CH4COONH4 + H2O + CO2 =>
9 CH3COOH + 8 NH4OH = 8 CH4COONH4 + 6 H2O + 2 CO2
Se + Br2 = SeBr2 =>
Se + Br2 = SeBr2
MnO2 + S = Mn + SO2 =>
MnO2 + S = Mn + SO2
Al2(CO3)3 + K2SO4 = Al2(SO4)3 + K2CO3 =>
Al2(CO3)3 + 3 K2SO4 = Al2(SO4)3 + 3 K2CO3
S2O8{2-} + Cr{3+} + H2O = Cr2O7{2-} + SO4{2-} + H{+} =>
3 S2O8{2-} + 2 Cr{3+} + 7 H2O = Cr2O7{2-} + 6 SO4{2-} + 14 H{+}
Cu = Cu{2} + {-} =>
Cu = Cu{2} + 2e
S + O2 + KOH = K2SO4 + H2O =>
2 S + 3 O2 + 4 KOH = 2 K2SO4 + 2 H2O
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
Al2(SO4)3 + K2SO3 + H2O = Al(OH)3 + SO2 + K2SO4 =>
Al2(SO4)3 + 3 K2SO3 + 3 H2O = 2 Al(OH)3 + 3 SO2 + 3 K2SO4
C6H6 + HNO3 = C6H5NO2 + H2O =>
C6H6 + HNO3 = C6H5NO2 + H2O
Cu(H2PO4)2 + Cu(OH)2 = Cu3(PO4)2 + H2O =>
Cu(H2PO4)2 + 2 Cu(OH)2 = Cu3(PO4)2 + 4 H2O
Zn + S2 = ZnS =>
2 Zn + S2 = 2 ZnS
XeOF4 + SiO2 = XeO2F2 + SiF4 =>
2 XeOF4 + SiO2 = 2 XeO2F2 + SiF4
CH3COOH + NH4OH = CH4COONH4 + H2O + CO2 =>
9 CH3COOH + 8 NH4OH = 8 CH4COONH4 + 6 H2O + 2 CO2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
NaHCO3 + HC2H3O2 = NaC2H3O2 + H2CO3 = CO2 + H2O =>
NaHCO3 + HC2H3O2 = NaC2H3O2 + H2CO3
Pb(CH3COO)2 + Na2CrO4 = PbCrO4 + CH3COONa =>
Pb(CH3COO)2 + Na2CrO4 = PbCrO4 + 2 CH3COONa
Sr3P2 + H2O = Sr(OH)2 + PH3 =>
Sr3P2 + 6 H2O = 3 Sr(OH)2 + 2 PH3
C2H4(ethylene) + H2(hydrogn) = C2H6(ethane) =>
C2H4(ethylene) + H2(hydrogn) = C2H6(ethane)
XeF4 + H2O = XeOF2 + HF =>
XeF4 + H2O = XeOF2 + 2 HF
NaHCO3 + HC2H3O2 = NaC2H3O2 + H2CO3 = CO2 + H2O =>
NaHCO3 + HC2H3O2 = NaC2H3O2 + H2CO3
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