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4 HCl + O2 = 2 H2O + 2 Cl2
Cu3(PO4)2 = P2O5 + CuO =>
Cu3(PO4)2 = P2O5 + 3 CuO
Hg + HNO3 = Hg(NO3)2 + NO2 + H2O =>
Hg + 4 HNO3 = Hg(NO3)2 + 2 NO2 + 2 H2O
[Cr(NH3)6]Cl3 + [CuCl2(H2O)2] = [Cr(NH3)6][CuCl5] + H2O =>
[Cr(NH3)6]Cl3 + [CuCl2(H2O)2] = [Cr(NH3)6][CuCl5] + 2 H2O
Al + Cu(NO3)2 = Cu3 + Al(NO3)3 =>
2 Al + 3 Cu(NO3)2 = Cu3 + 2 Al(NO3)3
Na2S() + CaCl2 = NaCl() + CaS() =>
Na2S() + CaCl2 = 2 NaCl() + CaS()
V2O5 + SO2 + H2SO4 = V(SO4)2 + H2O =>
V2O5 + SO2 + 3 H2SO4 = 2 V(SO4)2 + 3 H2O
K + P = K6P2 =>
6 K + 2 P = K6P2
Cl5V1 + H2 = HCl + V =>
2 Cl5V1 + 5 H2 = 10 HCl + 2 V
NaHSO3 + KOH = Na + KSO3 + H2O =>
NaHSO3 + KOH = Na + KSO3 + H2O
CaCO3(s) + H2SO4 = CaSO4(aq) + H2O(l) + CO2 =>
CaCO3(s) + H2SO4 = CaSO4(aq) + H2O(l) + CO2
H2CO + Ag(NH3)2{+} + OH{-} = HCO3{-} + Ag + NH3 + H2O =>
H2CO + 4 Ag(NH3)2{+} + 5 OH{-} = HCO3{-} + 4 Ag + 8 NH3 + 3 H2O
H2 + Ag = AgH =>
H2 + 2 Ag = 2 AgH
NaH2PO4 + HCl = NaCl + H2PO4H =>
NaH2PO4 + HCl = NaCl + H2PO4H
Li + Cl2 = Li2Cl2 =>
2 Li + Cl2 = Li2Cl2
K2(CrO4) + PdF4 = KF + Pd2(CrO4)4 =>
4 K2(CrO4) + 2 PdF4 = 8 KF + Pd2(CrO4)4
MnCl2 + H2O = MnO2 + HCl + H2 =>
MnCl2 + 2 H2O = MnO2 + 2 HCl + H2
Mg2 + H2O = H2 + Mg2O =>
Mg2 + H2O = H2 + Mg2O
C2H4Cl2 + Na2S2O8 + H2O = CO2 + NaHSO4 + Cl2 =>
C2H4Cl2 + 6 Na2S2O8 + 4 H2O = 2 CO2 + 12 NaHSO4 + Cl2
Zn(s) + Fe(NO3)3(aq) = Zn(NO3)3(aq) + Fe(s) =>
Zn(s) + Fe(NO3)3(aq) = Zn(NO3)3(aq) + Fe(s)
Al(C2H3O2)3 + BaSO4 = Al2(SO4)3 + Ba(C2H3O2)2 =>
2 Al(C2H3O2)3 + 3 BaSO4 = Al2(SO4)3 + 3 Ba(C2H3O2)2
Zn(CO3) + HNO3 = Zn(NO3)2 + CO2 + H2O =>
Zn(CO3) + 2 HNO3 = Zn(NO3)2 + CO2 + H2O
*Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2*Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Ba(OH)2 + SO3 = (BaOH)2SO4 + H2O =>
2 Ba(OH)2 + SO3 = (BaOH)2SO4 + H2O
Al2(SO4)3 + MgCl2 = AlCl + Mg(SO4)3 =>
Al2(SO4)3 + MgCl2 = 2 AlCl + Mg(SO4)3
K2SO4 + Na3[Co(NO2)6] = K2Na[Co(NO2)6] + Na2SO4 =>
K2SO4 + Na3[Co(NO2)6] = K2Na[Co(NO2)6] + Na2SO4
NaHg2 + NH4Cl = NaCl + NH3 + Hg + H2 =>
2 NaHg2 + 2 NH4Cl = 2 NaCl + 2 NH3 + 4 Hg + H2
HBrO + OH = BrO + H2O =>
HBrO + OH = BrO + H2O
AuBr4 + In = AuIn + Br =>
AuBr4 + In = AuIn + 4 Br
KI(aq) + NaOH(aq) = KOH(aq) + NaI =>
KI(aq) + NaOH(aq) = KOH(aq) + NaI
Al + HOH = Al2OH + H =>
2 Al + HOH = Al2OH + H
Pb(vii) + O2 = Pb2O7 =>
4 Pb(vii) + 7 O2 = 2 Pb2O7
MnO4{-} + C2O4{2-} + H{+} = Mn2{+} + CO2 + H2O =>
4 MnO4{-} + 13 C2O4{2-} + 32 H{+} = 2 Mn2{+} + 26 CO2 + 16 H2O
OHCCH2CH2CHO + Cr2O7 = HOOCCH2CH2COOH + Cr =>
7 OHCCH2CH2CHO + 2 Cr2O7 = 7 HOOCCH2CH2COOH + 4 Cr
H2C4H4O6(aq) + NaOH(aq) = Na2C4H4O6(s) + H2O(l) =>
H2C4H4O6(aq) + 2 NaOH(aq) = Na2C4H4O6(s) + 2 H2O(l)
OHCCH2CH2CHO + Cr2O7 = HOOCCH2CH2COOH + Cr =>
7 OHCCH2CH2CHO + 2 Cr2O7 = 7 HOOCCH2CH2COOH + 4 Cr
CH3COONa + KOH = CH4 + Na2CO3 + K2CO3 =>
2 CH3COONa + 2 KOH = 2 CH4 + Na2CO3 + K2CO3
MgO + Cl2 = MgCl2 + O =>
MgO + Cl2 = MgCl2 + O
C7H4O + O2 = CO2 + H2O =>
2 C7H4O + 15 O2 = 14 CO2 + 4 H2O
Au2S3(s) + H2(g) = Au(s) + H2S(g) =>
Au2S3(s) + 3 H2(g) = 2 Au(s) + 3 H2S(g)
BaCr2O7 + Cr + KHCO3 = BaCO3 + KCrO2 + H2O + CO2 =>
BaCr2O7 + 2 Cr + 4 KHCO3 = BaCO3 + 4 KCrO2 + 2 H2O + 3 CO2
Os + H2SO4 = Os2(SO4)3 + S + H2O =>
2 Os + 4 H2SO4 = Os2(SO4)3 + S + 4 H2O
Fe + S = FeS =>
Fe + S = FeS
Zn(NO3)2 + C6H8O7 = ZnO + H2O + CO2 + N2 =>
9 Zn(NO3)2 + 5 C6H8O7 = 9 ZnO + 20 H2O + 30 CO2 + 9 N2
(CH3)2CO + NaOH + I2 = CH3COONa + CH3I + H2O =>
6(CH3)2CO + 5 NaOH + 4 I2 = 5 CH3COONa + 8 CH3I + H2O
AlO + SiN = AlN + SiO =>
AlO + SiN = AlN + SiO
H2FSbF6 = HF + SbF5 =>
H2FSbF6 = 2 HF + SbF5
Cl2(aq) + KBr(aq) = KCl + Br2 =>
Cl2(aq) + 2 KBr(aq) = 2 KCl + Br2
OHCCH2CH2CHO + Cr2O7 = HOOCCH2CH2COOH + Cr =>
7 OHCCH2CH2CHO + 2 Cr2O7 = 7 HOOCCH2CH2COOH + 4 Cr
CaCO3 + NH4Cl = CaCl2 + NH3 + CO2 + H2O =>
CaCO3 + 2 NH4Cl = CaCl2 + 2 NH3 + CO2 + H2O
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