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2 Na + 2 H2O = 2 NaOH + H2
WO3 + SnCl2 + HCl = W3O4 + H2SnCl6 + H2O =>
3 WO3 + 5 SnCl2 + 20 HCl = W3O4 + 5 H2SnCl6 + 5 H2O
O3 = O2 + O =>
O3 = O2 + O
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
(COOH)2 = CO + CO2 + H2O =>
(COOH)2 = CO + CO2 + H2O
CH3CH2CH2OH + KMnO4 + H2SO4 = CH3CH2COOH + K2SO4 + MnSO4 + H2O =>
5 CH3CH2CH2OH + 4 KMnO4 + 6 H2SO4 = 5 CH3CH2COOH + 2 K2SO4 + 4 MnSO4 + 11 H2O
CH3COC2H5 + H2O = CH3COOH + C2H5 =>
5 CH3COC2H5 + 3 H2O = 4 CH3COOH + 6 C2H5
MgCl2 + NaOH = Mg(OH)2 + NaCl =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl
Al2(Cr2O7)3 + KOH = Al(OH)3 + K2Cr2O7 =>
Al2(Cr2O7)3 + 6 KOH = 2 Al(OH)3 + 3 K2Cr2O7
MnSO4 + NaOH + Br2 = MnO2 + Na2SO4 + NaBr + H2O =>
MnSO4 + 4 NaOH + Br2 = MnO2 + Na2SO4 + 2 NaBr + 2 H2O
Ca2 + K4Fe(CN)6 = Ca(Fe(CN)6) + K =>
Ca2 + 2 K4Fe(CN)6 = 2 Ca(Fe(CN)6) + 8 K
Ba + Al2(SO4)3 = Ba(SO4) + Al3 =>
9 Ba + 3 Al2(SO4)3 = 9 Ba(SO4) + 2 Al3
CUO(s) + H2SO4(g) = CUSO4 + H2O =>
CUO(s) + H2SO4(g) = CUSO4 + H2O
NaCI + CaF*2 = NaF + CaCI*2 =>
NaCI + CaF*2 = NaF + CaCI*2
H2(g) + V2O5(s) = V + H2O =>
5 H2(g) + V2O5(s) = 2 V + 5 H2O
SiO2 + NaOH = Na2SiO3 + H2O =>
SiO2 + 2 NaOH = Na2SiO3 + H2O
Cu(OH) + HClO4 = CuClO4 + H2O =>
Cu(OH) + HClO4 = CuClO4 + H2O
H{+} + MnO2 + H2C2O4 = Mn{+} + CO2 + H2O =>
2 H{+} + 2 MnO2 + 3 H2C2O4 = 2 Mn{+} + 6 CO2 + 4 H2O
NaHCO3 + HC2H302 = H2O + CO2 + C2H3Na02 =>
622 NaHCO3 + 13 HC2H302 = 1814 H2O + 26 CO2 + 311 C2H3Na02
FeCl2*4H2O + H2C2O4 = FeC2O4*H2O + H2O + HCl =>
FeCl2*4H2O + H2C2O4 = FeC2O4*H2O + 3 H2O + 2 HCl
K2S2O8 + HI = KHSO4 + I2 =>
K2S2O8 + 2 HI = 2 KHSO4 + I2
Mg(OH)2 = MgO + H2O =>
Mg(OH)2 = MgO + H2O
MnSO4 + KBiO3 + HNO3 = HMnO4 + Bi(NO3)3 + H2SO4 + KNO3 + H2O =>
2 MnSO4 + 5 KBiO3 + 20 HNO3 = 2 HMnO4 + 5 Bi(NO3)3 + 2 H2SO4 + 5 KNO3 + 7 H2O
C10H8 + H2O = CO2 + CH4 =>
C10H8 + 8 H2O = 4 CO2 + 6 CH4
HC3H2O2 + Ca(OH)2 = H2O + Ca(C3H2O2)2 =>
2 HC3H2O2 + Ca(OH)2 = 2 H2O + Ca(C3H2O2)2
PBO2 + PB + H{+} = PB{2+} + H2O =>
PBO2 + PB + 4 H{+} = 2 PB{2+} + 2 H2O
Ca(OCl)2 + KI + HCl = I2 + Ca(Cl)2 + KCl + H2O =>
Ca(OCl)2 + 4 KI + 4 HCl = 2 I2 + Ca(Cl)2 + 4 KCl + 2 H2O
Ag2S + C6H8O7 = Ag3C6H5O7 + H2S =>
3 Ag2S + 2 C6H8O7 = 2 Ag3C6H5O7 + 3 H2S
Ag + H2 = AgH =>
2 Ag + H2 = 2 AgH
Li3(PO4) + Cr(C2H3O2)2 = Li(C2H3O2) + Cr3(PO4)2 =>
2 Li3(PO4) + 3 Cr(C2H3O2)2 = 6 Li(C2H3O2) + Cr3(PO4)2
Mg(OH)2(aq) + HCl = MgCl2 + H2O =>
Mg(OH)2(aq) + 2 HCl = MgCl2 + 2 H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
MgO + Ca(OH)2 = Mg3O4 + CaO + H2 =>
3 MgO + Ca(OH)2 = Mg3O4 + CaO + H2
Hg2(ClO3)2 + SrCl2 = Hg2Cl2 + Sr(ClO3)2 =>
Hg2(ClO3)2 + SrCl2 = Hg2Cl2 + Sr(ClO3)2
KMnO4 + Zn + HCl = MnCl2 + KCl + ZnCl2 + H2O =>
2 KMnO4 + 5 Zn + 16 HCl = 2 MnCl2 + 2 KCl + 5 ZnCl2 + 8 H2O
Al2(CO3)3 + HOH = Al(OH)3 + H2CO3 =>
Al2(CO3)3 + 6 HOH = 2 Al(OH)3 + 3 H2CO3
Al + Ca = AlCa =>
Al + Ca = AlCa
CsI + Br2 = CsBr + I =>
2 CsI + Br2 = 2 CsBr + 2 I
KOH + HPO3 = H2O + KPO3 =>
KOH + HPO3 = H2O + KPO3
CuCl2*2H2O + Na2CO3*10H2O = Cu(OH)2 + NaCl + CO2 + H2O =>
CuCl2*2H2O + Na2CO3*10H2O = Cu(OH)2 + 2 NaCl + CO2 + 11 H2O
CU + HCl + O2 = CUCl2 + H2O =>
2 CU + 4 HCl + O2 = 2 CUCl2 + 2 H2O
Cu + FeCl3 = CuCl2 + FeCl2 =>
Cu + 2 FeCl3 = CuCl2 + 2 FeCl2
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
KClO4 + MnO2 = KClMn + O2 =>
KClO4 + MnO2 = KClMn + 3 O2
CH3CHO + KMnO4 + KOH = CH3COOK + K2MnO4 + H2O =>
CH3CHO + 2 KMnO4 + 3 KOH = CH3COOK + 2 K2MnO4 + 2 H2O
Au1 + O2 = Au2O1 =>
4 Au1 + O2 = 2 Au2O1
FeSO4(aq) + KSCN(aq) = Fe(SCN)2(s) + K2SO4(aq) =>
FeSO4(aq) + 2 KSCN(aq) = Fe(SCN)2(s) + K2SO4(aq)
F2(g) + NaI(aq) = FNa + I =>
F2(g) + 2 NaI(aq) = 2 FNa + 2 I
Na2SO3 + K2CrO4 + KOH + H2O = Na2SO4 + K3[Cr(OH)6] =>
3 Na2SO3 + 2 K2CrO4 + 2 KOH + 5 H2O = 3 Na2SO4 + 2 K3[Cr(OH)6]
Na2S + NH4OH = NH4S + Na2OH =>
Na2S + NH4OH = NH4S + Na2OH
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