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Na2Cr2O7 + 4 FeCl2 + 14 HCl = 2 CrCl4 + 4 FeCl3 + 2 NaCl + 7 H2O
HNO3 + H2SO4 + Al(OH)3 = AlSO4NO3 + H2O =>
HNO3 + H2SO4 + Al(OH)3 = AlSO4NO3 + 3 H2O
KBrO2 + KI + HBr = KBr + I + H2O =>
KBrO2 + 4 KI + 4 HBr = 5 KBr + 4 I + 2 H2O
SiO2 + carbon = silicon + CO =>
SiO2 + 2 C = Si + 2 CO
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
CH3CH(CN)CH3 + HCl + H2O = CH3CH(CH3)COOH + NH4Cl =>
CH3CH(CN)CH3 + HCl + 2 H2O = CH3CH(CH3)COOH + NH4Cl
Ca(CH3COO)2 = CaCO3 + CH3COCH3 =>
Ca(CH3COO)2 = CaCO3 + CH3COCH3
NaI + Pb(NO3)2 = PbI2 + NaNO3 =>
2 NaI + Pb(NO3)2 = PbI2 + 2 NaNO3
Ca(CH3COO)2 = CaCO3 + CH3COCH3 =>
Ca(CH3COO)2 = CaCO3 + CH3COCH3
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
CaCO3 + CO2 + H2O = Ca(HCO3)2 =>
CaCO3 + CO2 + H2O = Ca(HCO3)2
Ba(OH)2 + H3PO2 = Ba(H2PO2)2 + H2O =>
Ba(OH)2 + 2 H3PO2 = Ba(H2PO2)2 + 2 H2O
NH3 + Na = NaNH2 + H2 =>
2 NH3 + 2 Na = 2 NaNH2 + H2
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
CaCl2 + NaNO3 = Ca(NO3)2 + NaCl =>
CaCl2 + 2 NaNO3 = Ca(NO3)2 + 2 NaCl
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
NaHSO3 + NaOH = Na2SO3 + H2O =>
NaHSO3 + NaOH = Na2SO3 + H2O
C5H10 + HI = C5H11I =>
C5H10 + HI = C5H11I
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CuO + N2O3 = Cu(NO2)2 =>
CuO + N2O3 = Cu(NO2)2
Fe2S3 + AgNO3 = Ag2S + Fe(NO3)3 =>
Fe2S3 + 6 AgNO3 = 3 Ag2S + 2 Fe(NO3)3
LiCl + AgNO3 = AgCl + NO3Li =>
LiCl + AgNO3 = AgCl + NO3Li
La + F2 = LaF3 =>
2 La + 3 F2 = 2 LaF3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Pb(CH3COO)2 + AgNO3 = Pb(NO3)2 + AgCH3COO =>
Pb(CH3COO)2 + 2 AgNO3 = Pb(NO3)2 + 2 AgCH3COO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C10H20 + O2 = CO2 + H2O =>
C10H20 + 15 O2 = 10 CO2 + 10 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
K + N2 = K3N =>
6 K + N2 = 2 K3N
Sr + N2 = Sr3N2 =>
3 Sr + N2 = Sr3N2
C2H6O + CH3COOH = CH3COOC4H9 + H2O =>
2 C2H6O + CH3COOH = CH3COOC4H9 + 2 H2O
HNO3 + Zn = NO2 + Zn(OH)2 =>
2 HNO3 + Zn = 2 NO2 + Zn(OH)2
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
KOH + P2O5 = K3PO4 + H2O = =>
6 KOH + P2O5 = 2 K3PO4 + 3 H2O
P + OH{-} + H2O = PH3 + H2PO4{-} =>
8 P + 3 OH{-} + 9 H2O = 5 PH3 + 3 H2PO4{-}
Ca(OH)2 + Cl2 = CaCl + Ca(ClO3)2 + H2O =>
12 Ca(OH)2 + 7 Cl2 = 10 CaCl + 2 Ca(ClO3)2 + 12 H2O
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
CaCN2 + H2O = CaCO3 + NH3 =>
CaCN2 + 3 H2O = CaCO3 + 2 NH3
P2O5 + AgCl = POCl3 + AgPO3 =>
2 P2O5 + 3 AgCl = POCl3 + 3 AgPO3
CH2CHCl + NaOH = CH3CHO + NaCl =>
CH2CHCl + NaOH = CH3CHO + NaCl
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Fe(III) + HCl = Fe(III)Cl + H =>
Fe(III) + HCl = Fe(III)Cl + H
AuI2 + Na2S = Au2S + NaI2 =>
2 AuI2 + Na2S = Au2S + 2 NaI2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
PbCl2 + K2CO3 = PbCO3 + KCl =>
PbCl2 + K2CO3 = PbCO3 + 2 KCl
K3[Cr(OH)6] + K2Cr2O7 = K2CrO4 + H2O + CrO =>
4 K3[Cr(OH)6] + 5 K2Cr2O7 = 11 K2CrO4 + 12 H2O + 3 CrO
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