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2 NO2 = NO3NO
FeSO4 + KI + KIO3 + H2O = Fe(OH)2 + K2SO4 + I2 =>
3 FeSO4 + 5 KI + KIO3 + 3 H2O = 3 Fe(OH)2 + 3 K2SO4 + 3 I2
Na + SO4 = Na2SO4 =>
2 Na + SO4 = Na2SO4
FeOHCl2 + NaOH = NaCl + Fe(OH)3 =>
FeOHCl2 + 2 NaOH = 2 NaCl + Fe(OH)3
Cu + KNO3 + H2SO4 = NO + CuSO4 + K2SO4 + H2O =>
3 Cu + 2 KNO3 + 4 H2SO4 = 2 NO + 3 CuSO4 + K2SO4 + 4 H2O
Zn(OH)2 + Ba(OH)2 = Ba[Zn2(OH)6] =>
2 Zn(OH)2 + Ba(OH)2 = Ba[Zn2(OH)6]
Mn + Au(NO3) = Au + Mn(NO3)3 =>
Mn + 3 Au(NO3) = 3 Au + Mn(NO3)3
Al2(SO4)3 + NaOH + NH4OH = Na[Al(OH)4] + (NH4)2SO4 =>
Al2(SO4)3 + 2 NaOH + 6 NH4OH = 2 Na[Al(OH)4] + 3(NH4)2SO4
C2H4O2 + Sr(OH)2 = Sr + CO2 + H2O =>
C2H4O2 + 4 Sr(OH)2 = 4 Sr + 2 CO2 + 6 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Cu2CO3(OH)2 + HC2H3O2 = Cu2(C2H3O2)4*2H2O + CO2 + H2O =>
Cu2CO3(OH)2 + 4 HC2H3O2 = Cu2(C2H3O2)4*2H2O + CO2 + H2O
ZnSO4 + Ba(NO3)2 = BaSO4 + Zn(NO3)2 =>
ZnSO4 + Ba(NO3)2 = BaSO4 + Zn(NO3)2
CrO7 + NO2 = CrO2 + NO3 =>
CrO7 + 5 NO2 = CrO2 + 5 NO3
CH3COOH = HCOH =>
CH3COOH = 2 HCOH
Ag2S + NaOH = AgOH + Na2S =>
Ag2S + 2 NaOH = 2 AgOH + Na2S
NH2 + KClO = N2 + KCl + H2O =>
2 NH2 + 2 KClO = N2 + 2 KCl + 2 H2O
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
SrCO3 + HCl = SrCl2 + CO2 + H2O =>
SrCO3 + 2 HCl = SrCl2 + CO2 + H2O
Cu(s) + AgNO3(aq) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3(aq) = Cu(NO3)2(aq) + 2 Ag(s)
AgNO3 + K3(FeCN)6 = AgK3 + NO3(FeCN)6 =>
AgNO3 + K3(FeCN)6 = AgK3 + NO3(FeCN)6
LiF + SO4 = Li2SO4 + F2 =>
2 LiF + SO4 = Li2SO4 + F2
C20H14O4 + NaOH = C20H14O4NaOH =>
C20H14O4 + NaOH = C20H14O4NaOH
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
SO2(s) + O2(s) = SO3(s) =>
2 SO2(s) + O2(s) = 2 SO3(s)
Zn(OH)2 + HCl + H2O = [Zn(H2O)4]Cl2 =>
Zn(OH)2 + 2 HCl + 2 H2O = [Zn(H2O)4]Cl2
Mn{2+} = Mn{7+} + e =>
Mn{2+} = Mn{7+} + 5e
HCHO + H2O2 = HCOOH + H2O =>
HCHO + H2O2 = HCOOH + H2O
(NO3)2Cu + NaOH = Cu(OH)2 + NaNO3 =>
(NO3)2Cu + 2 NaOH = Cu(OH)2 + 2 NaNO3
P + H2SO4 = H3PO4 + SO2 + H2O =>
2 P + 5 H2SO4 = 2 H3PO4 + 5 SO2 + 2 H2O
H3BO3 + H2O = H3O + H2BO3 =>
H3BO3 + H2O = H3O + H2BO3
Cu(C4H4O6)2 + C6H12O6 = CH3COCOOH + CuO2 + C4H4O6 =>
3 Cu(C4H4O6)2 + C6H12O6 = 6 CH3COCOOH + 3 CuO2 + 3 C4H4O6
NO2 + CO = N + CO2 =>
NO2 + 2 CO = N + 2 CO2
K2ZnO2 + HNO3 = Zn(NO3)2 + KOH =>
K2ZnO2 + 2 HNO3 = Zn(NO3)2 + 2 KOH
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
Zn + MnO2 = ZnO*Mn2O3 =>
Zn + 2 MnO2 = ZnO*Mn2O3
SiO2 + Cl2 = SiCl4O2 =>
SiO2 + 2 Cl2 = SiCl4O2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
NH2CH2COOH + CuCO3 = Cu(NH2CH2COO)2 + H2CO3 =>
2 NH2CH2COOH + CuCO3 = Cu(NH2CH2COO)2 + H2CO3
Si + HCl = HCl3Si + H2 =>
Si + 3 HCl = HCl3Si + H2
Na2S + ZnSO4 = ZnS + Na2SO3 =>
4 Na2S + 3 ZnSO4 = 3 ZnS + 4 Na2SO3
Ca(OH)2 + NH4C = NH3 + CaC2 + H2O =>
Ca(OH)2 + 2 NH4C = 2 NH3 + CaC2 + 2 H2O
Br2 + K2S = KBr + S8 =>
8 Br2 + 8 K2S = 16 KBr + S8
Ba + P = Ba3P2 =>
3 Ba + 2 P = Ba3P2
FeBr3(aq) + NaOH(aq) = FeOH(s) + NaBr3(aq) =>
FeBr3(aq) + NaOH(aq) = FeOH(s) + NaBr3(aq)
CO(g) + O2(g) = CO203 =>
CO(g) + 101 O2(g) = CO203
NiCl2 + HCl = NiH2 + Cl2 =>
NiCl2 + 2 HCl = NiH2 + 2 Cl2
NH40H + HNO3 = NH4NO3 + H2O =>
4 NH40H + 42 HNO3 = 23 NH4NO3 + 57 H2O
TaO2 + C + N2 = TaN + CO =>
2 TaO2 + 4 C + N2 = 2 TaN + 4 CO
Zn + K2CrO4 = ZnCrO4 + K =>
Zn + K2CrO4 = ZnCrO4 + 2 K
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
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