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2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CuSO4 + KI = CuI + I2 + K2SO4 =>
2 CuSO4 + 4 KI = 2 CuI + I2 + 2 K2SO4
MgO + Si = MgSi + O =>
MgO + Si = MgSi + O
NH3 + Ca(ClO)2 = N2 + H2O + CaCl2 =>
4 NH3 + 3 Ca(ClO)2 = 2 N2 + 6 H2O + 3 CaCl2
CO(III)SO4 + BaNO3 = BaSO4 + CO(III)NO3 =>
CO(III)SO4 + BaNO3 = BaSO4 + CO(III)NO3
Cs + XeF6 = CsXeF6 =>
Cs + XeF6 = CsXeF6
Mg(NO3)2 + H2SO4 = MgSO4 + HNO3 =>
Mg(NO3)2 + H2SO4 = MgSO4 + 2 HNO3
SrSO4 = SrO + SO3 =>
SrSO4 = SrO + SO3
Cu(OH)2 + H2CO3 = (CuOH)2CO3 + H2O =>
2 Cu(OH)2 + H2CO3 = (CuOH)2CO3 + 2 H2O
NH3 + O = H2O + NO2 =>
2 NH3 + 7 O = 3 H2O + 2 NO2
AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
KMnO4 + C2H5OH + NaOH = MnO + KOH + H2O + CH3COONa =>
4 KMnO4 + 5 C2H5OH + 5 NaOH = 4 MnO + 4 KOH + 8 H2O + 5 CH3COONa
Li3PO4 + Ba(NO3)2 = LiNO3 + Ba3(PO4)2 =>
2 Li3PO4 + 3 Ba(NO3)2 = 6 LiNO3 + Ba3(PO4)2
GaF + Cs = CsF + Ga =>
GaF + Cs = CsF + Ga
CH2Cl{-}CHCl{-}CH2Cl + NaOH = CH2OH{-}CHOH{-}CH2OH + NaCl =>
CH2Cl{-}CHCl{-}CH2Cl + NaOH = CH2OH{-}CHOH{-}CH2OH + NaCl
Ca(HSO3)2 + KOH = CaSO3 + K2SO3 + H2O =>
Ca(HSO3)2 + 2 KOH = CaSO3 + K2SO3 + 2 H2O
MnCl2 + Na2HPO4 = Mn3(PO4)2 + NaCl + HCl =>
3 MnCl2 + 2 Na2HPO4 = Mn3(PO4)2 + 4 NaCl + 2 HCl
CH3COOH + Pb(NO3)2 = Pb(CH3COO)2 + HNO3 =>
2 CH3COOH + Pb(NO3)2 = Pb(CH3COO)2 + 2 HNO3
CaCl2 + KF = KCl + CaF2 =>
CaCl2 + 2 KF = 2 KCl + CaF2
CuSO4 + Al = Al2(SO4)3 + Cu =>
3 CuSO4 + 2 Al = Al2(SO4)3 + 3 Cu
FeCl2 + HCl + NaNO2 = NO + H2O + FeCl3 + NaCl =>
FeCl2 + 2 HCl + NaNO2 = NO + H2O + FeCl3 + NaCl
SnCl3 + KCl + CrCl + H2O = SnCl2 + HCl + K2Cr2O7 =>
10 SnCl3 + 2 KCl + 2 CrCl + 7 H2O = 10 SnCl2 + 14 HCl + K2Cr2O7
P + HI = PI3 + PH3 =>
2 P + 3 HI = PI3 + PH3
K2Cr2O7 + CH3CH2CH2OH + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2COOH + H2O =>
2 K2Cr2O7 + 3 CH3CH2CH2OH + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CH2COOH + 11 H2O
K2CO3(aq) + FeBr2(aq) = FeCO3(s) + KBr(aq) =>
K2CO3(aq) + FeBr2(aq) = FeCO3(s) + 2 KBr(aq)
H2SO4(aq) + Sr(OH)2(aq) = H2O + SrSO4(aq) =>
H2SO4(aq) + Sr(OH)2(aq) = 2 H2O + SrSO4(aq)
Hg2 = Hg =>
Hg2 = 2 Hg
Zn + AgI = ZnI2 + Ag =>
Zn + 2 AgI = ZnI2 + 2 Ag
MnO4{-} + S2O3{2-} + H2O = MnO2 + SO4{2-} + OH{-} =>
8 MnO4{-} + 3 S2O3{2-} + H2O = 8 MnO2 + 6 SO4{2-} + 2 OH{-}
GaF + Cs = CsF + Ga =>
GaF + Cs = CsF + Ga
Zn + AgI = ZnI2 + Ag =>
Zn + 2 AgI = ZnI2 + 2 Ag
Al + KOH + H2O = K3[Al(OH)4] + H2 =>
2 Al + 6 KOH + 2 H2O = 2 K3[Al(OH)4] + H2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Fe(SO4)2 + NH4SCN = Fe(SCN)2 + SO4 + NH4 =>
Fe(SO4)2 + 2 NH4SCN = Fe(SCN)2 + 2 SO4 + 2 NH4
(NH4)2C2O4 + KMnO4 + H2SO4 = (NH4)2SO4 + CO2 + MnSO4 + K2SO4 + H2O =>
5(NH4)2C2O4 + 2 KMnO4 + 8 H2SO4 = 5(NH4)2SO4 + 10 CO2 + 2 MnSO4 + K2SO4 + 8 H2O
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
CH3CH3CHCH2OH + H2CrO4 + H2SO4 = H2O + CH3CH3CHCOOH + Cr2SO4 =>
5 CH3CH3CHCH2OH + 4 H2CrO4 + 2 H2SO4 = 11 H2O + 5 CH3CH3CHCOOH + 2 Cr2SO4
(e)FeCO3(s) + H2CO3(aq) = Fe(HCO3)2(aq) =>
(e)FeCO3(s) + H2CO3(aq) = Fe(HCO3)2(aq)
Ca[OH]2 + H3PO4 = Ca3[PO4]2 + H2O =>
3 Ca[OH]2 + 2 H3PO4 = Ca3[PO4]2 + 6 H2O
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