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H2SO4 + 2 NaHO = Na2SO4 + 2 H2O
N + CuCl2 = NCl2 + Cu =>
N + CuCl2 = NCl2 + Cu
H2CO3 + Ca3N2 = H3N + CaCO3 =>
3 H2CO3 + Ca3N2 = 2 H3N + 3 CaCO3
Cr + H2SO4 = CrSO4 + H2 =>
Cr + H2SO4 = CrSO4 + H2
Na2SiF4 + Na = Si + NaF =>
Na2SiF4 + 2 Na = Si + 4 NaF
SeO2(s) + H2O(l) + SO2(g) = Se(s) + H2SO4(aq) =>
SeO2(s) + 2 H2O(l) + 2 SO2(g) = Se(s) + 2 H2SO4(aq)
K + HCl = KCl + H2 =>
2 K + 2 HCl = 2 KCl + H2
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
MnI2 + K2SiO3 = KI + MnSiO3 =>
MnI2 + K2SiO3 = 2 KI + MnSiO3
AgNO3(aq) + Ca(OH)2(aq) = Ag(OH) + Ca(NO3)2 =>
2 AgNO3(aq) + Ca(OH)2(aq) = 2 Ag(OH) + Ca(NO3)2
H2 + Au{+3} = H{+3} + Au =>
H2 + 2 Au{+3} = 2 H{+3} + 2 Au
BaCl2 + KH2PO4 = BaPO4 + KH2Cl2 =>
BaCl2 + KH2PO4 = BaPO4 + KH2Cl2
Fe{3} + I({-}) = Fe{2} + I =>
Fe{3} + I({-}) = Fe{2} + I
Mg + HNO3 = MgNO3 + NH3 + H2O =>
8 Mg + 9 HNO3 = 8 MgNO3 + NH3 + 3 H2O
CrCl3 + KMnO4 + H2O = MnO2 + Cr(OH)3 + KOH + Cl2 =>
2 CrCl3 + 2 KMnO4 + 4 H2O = 2 MnO2 + 2 Cr(OH)3 + 2 KOH + 3 Cl2
SiO2(s) + CaCO3(s) = CaSiO3 + CO2(g) =>
SiO2(s) + CaCO3(s) = CaSiO3 + CO2(g)
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Pb(NO2)2(aq) + KBr(aq) = PbBr2(s) + KNO2(aq) =>
Pb(NO2)2(aq) + 2 KBr(aq) = PbBr2(s) + 2 KNO2(aq)
Fe(OH)2 + HClO = H2O + Fe(ClO)2 =>
Fe(OH)2 + 2 HClO = 2 H2O + Fe(ClO)2
AlC3 + HOH = Al(OH)3 + HC =>
AlC3 + 3 HOH = Al(OH)3 + 3 HC
Bi{+} + SnO2{-}2 + OH{-}1�� = SnO3{-}2 + H2O + Bi =>
2 Bi{+} + SnO2{-}2 + 2 OH{-}1�� = SnO3{-}2 + H2O + 2 Bi
Na2CO3 + HCl + Ba(OH)2 = NaCl + H2O + BaCO3 =>
Na2CO3 + 2 HCl + Ba(OH)2 = 2 NaCl + 2 H2O + BaCO3
C4H10 + NaOH = CH3COOH + Na + H2 =>
C4H10 + 4 NaOH = 2 CH3COOH + 4 Na + 3 H2
Cr2O3 + N2O = NO + CrO =>
Cr2O3 + N2O = 2 NO + 2 CrO
Fe + O2 = FeO2 =>
Fe + O2 = FeO2
Hg(NO3)2 + Cu2 = Cu(NO3)2 + Hg =>
2 Hg(NO3)2 + Cu2 = 2 Cu(NO3)2 + 2 Hg
KI + Cl2 = KCl + I2KI =>
3 KI + Cl2 = 2 KCl + I2KI
HCl + Mn(NO3)2 = H(NO3) + MnCl2 =>
2 HCl + Mn(NO3)2 = 2 H(NO3) + MnCl2
KMnO4 + Hg + H2SO4 = MnSO4 + Hg2SO4 + K2SO4 + H2O =>
2 KMnO4 + 10 Hg + 8 H2SO4 = 2 MnSO4 + 5 Hg2SO4 + K2SO4 + 8 H2O
NaAl(OH)4 + HBr = NaBr + Al(OH)3 + H2O =>
NaAl(OH)4 + HBr = NaBr + Al(OH)3 + H2O
KNO2 + KMnO4 + NaOH = K2MnO4 + Na2MnO4 + KNO3 + H2O =>
KNO2 + 2 KMnO4 + 2 NaOH = K2MnO4 + Na2MnO4 + KNO3 + H2O
CrB2 + O2 = BO + Cr =>
CrB2 + O2 = 2 BO + Cr
HCl(aq) + Na(s) = NaCl(s) + H2(g) =>
2 HCl(aq) + 2 Na(s) = 2 NaCl(s) + H2(g)
NaBr + NH4OH = NH4Br + NaOH =>
NaBr + NH4OH = NH4Br + NaOH
NaC + MnCl = NaCl + MnC =>
NaC + MnCl = NaCl + MnC
(NH4)2SO4 + NaCu(OH)3 = Na2SO4 + CuSO4 + NH4OH =>
3(NH4)2SO4 + 2 NaCu(OH)3 = Na2SO4 + 2 CuSO4 + 6 NH4OH
C8OH + O2 = CO2 + H2O =>
4 C8OH + 31 O2 = 32 CO2 + 2 H2O
Al(s) + SnCl2(ac) = AlCl3(ac) + Sn(s) =>
2 Al(s) + 3 SnCl2(ac) = 2 AlCl3(ac) + 3 Sn(s)
NH3(g) + O2 = N2(g) + H2O(l) =>
4 NH3(g) + 3 O2 = 2 N2(g) + 6 H2O(l)
MnSO4 + NaClO3 + NaOH = NaCl + Na2MnO4 + Na2SO4 + H2O =>
3 MnSO4 + 2 NaClO3 + 12 NaOH = 2 NaCl + 3 Na2MnO4 + 3 Na2SO4 + 6 H2O
F2 + KBr = F2KBr =>
F2 + KBr = F2KBr
Br(OH)2 + HBr = Br2 + H2O =>
2 Br(OH)2 + 4 HBr = 3 Br2 + 4 H2O
Br + Cl2 = BrCl =>
2 Br + Cl2 = 2 BrCl
C7H8 + O2 = CO2 + H2O =>
C7H8 + 9 O2 = 7 CO2 + 4 H2O
ClI + Na = NaCl + NaI =>
ClI + 2 Na = NaCl + NaI
CH3(CH2)7OH + O2 = CO2 + H2O =>
CH3(CH2)7OH + 12 O2 = 8 CO2 + 9 H2O
Sr(ClO2)2 + NiCO3 = Ni(ClO2)2 + SrCO3 =>
Sr(ClO2)2 + NiCO3 = Ni(ClO2)2 + SrCO3
LiCl + NaOH = LiClNaOH =>
LiCl + NaOH = LiClNaOH
K4Fe(CN)6 + H2SO4 = K2SO4 + FeSO4 + HCN =>
K4Fe(CN)6 + 3 H2SO4 = 2 K2SO4 + FeSO4 + 6 HCN
CH3CH2CH2COOH + Na2CO3 = CH3CH2CH2COONa + H2O + CO2 =>
2 CH3CH2CH2COOH + Na2CO3 = 2 CH3CH2CH2COONa + H2O + CO2
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