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2 KMnO4 + Na2SO4 = K2SO4 + 2 NaMnO4
Cu(OH)2(H2O)4 + H2SO4 + NH3 = [Cu(NH3)4(H2O)2]SO4 + H2O =>
Cu(OH)2(H2O)4 + H2SO4 + 4 NH3 = [Cu(NH3)4(H2O)2]SO4 + 4 H2O
H3PO4 + NaHCO3 = H2O + Na3PO4 + CO2 =>
H3PO4 + 3 NaHCO3 = 3 H2O + Na3PO4 + 3 CO2
MgF2 + Fe2(SO4)3 = Mg(SO4)3 + Fe2F2 =>
MgF2 + Fe2(SO4)3 = Mg(SO4)3 + Fe2F2
Fe(Br)3 + K2CO3 = KBr + Fe2(CO3)3 =>
2 Fe(Br)3 + 3 K2CO3 = 6 KBr + Fe2(CO3)3
(FeO2)1 + (SO3)2 = (FeO2)2(SO3)1 =>
4(FeO2)1 + (SO3)2 = 2(FeO2)2(SO3)1
NH4ClO4(s) = N2(g) + Cl2(g) + O2(g) + H2O(l) =>
2 NH4ClO4(s) = N2(g) + Cl2(g) + 2 O2(g) + 4 H2O(l)
Zn(s) + CuBr3(aq) = Cu(s) + ZnBr2(aq) =>
3 Zn(s) + 2 CuBr3(aq) = 2 Cu(s) + 3 ZnBr2(aq)
Cu(NO3) + Na2S = Cu2S + Na(NO3) =>
2 Cu(NO3) + Na2S = Cu2S + 2 Na(NO3)
C5H9 + O2 = CO2 + H2O =>
4 C5H9 + 29 O2 = 20 CO2 + 18 H2O
H2C2 + CuNO3 = CuC + HNO3 =>
H2C2 + 2 CuNO3 = 2 CuC + 2 HNO3
HClO4 + NaOH = NaClO4 + H2O =>
HClO4 + NaOH = NaClO4 + H2O
RbOH + HCl = RbCl + H2O =>
RbOH + HCl = RbCl + H2O
PbS + Fe3O4 + NaOH = Pb + Na2SO4 + Fe + H2O =>
4 PbS + 3 Fe3O4 + 8 NaOH = 4 Pb + 4 Na2SO4 + 9 Fe + 4 H2O
Co(NO3)2 + Na2CrO4 = CoCrO4 + NaNO3 =>
Co(NO3)2 + Na2CrO4 = CoCrO4 + 2 NaNO3
SrNO = NOSr =>
SrNO = NOSr
I2 + Ce2 + H2O = HIO3 + HCe =>
I2 + 5 Ce2 + 6 H2O = 2 HIO3 + 10 HCe
Ca + Cr3(C2H3O2)2 = Cr2 + Ca3(C2H3O2) =>
12 Ca + 2 Cr3(C2H3O2)2 = 3 Cr2 + 4 Ca3(C2H3O2)
C(s) + H2SO4(aq) = CO2(g) + SO2(aq) + H2O(l) =>
C(s) + 2 H2SO4(aq) = CO2(g) + 2 SO2(aq) + 2 H2O(l)
NH3 + I2 + H2O2 = NH4I + O2 =>
2 NH3 + I2 + H2O2 = 2 NH4I + O2
CH4 + SO3 = (CH3)HSO3 =>
CH4 + SO3 = (CH3)HSO3
A2 = A1 =>
A2 = 2 A1
AgNO3 + NaBr = AgBr + NaNO3 =>
AgNO3 + NaBr = AgBr + NaNO3
NaOH + NaH(CO)3 = Na2(CO)3 + H2O =>
NaOH + NaH(CO)3 = Na2(CO)3 + H2O
Pb(NO3)2 + K2Cr2O7 = PbCr2O7 + KNO3 =>
Pb(NO3)2 + K2Cr2O7 = PbCr2O7 + 2 KNO3
S + Mm + Or = S4Mm2Or =>
4 S + 2 Mm + Or = S4Mm2Or
CuBr + KMnO4 + H2SO4 = CuSO4 + MnSO4 + K2SO4 + Br2 + H2O =>
10 CuBr + 4 KMnO4 + 16 H2SO4 = 10 CuSO4 + 4 MnSO4 + 2 K2SO4 + 5 Br2 + 16 H2O
CH3CHO + OH = CO2 + H2O =>
CH3CHO + 10 OH = 2 CO2 + 7 H2O
Cr2(SO4)3 + KI = I2 + CrSO4 + K2SO4 =>
Cr2(SO4)3 + 2 KI = I2 + 2 CrSO4 + K2SO4
Cu + AgNO3 = Ag2 + Cu(NO3)2 =>
Cu + 2 AgNO3 = Ag2 + Cu(NO3)2
Fe(I)2 + AgNO3 = Fe(NO3)2 + AgI =>
Fe(I)2 + 2 AgNO3 = Fe(NO3)2 + 2 AgI
FeBr3(aq) + Mg(s) = Fe(s) + MgBr2(aq) =>
2 FeBr3(aq) + 3 Mg(s) = 2 Fe(s) + 3 MgBr2(aq)
B5H9(g) + O2(g) = B2O3(g) + H2O(g) =>
2 B5H9(g) + 12 O2(g) = 5 B2O3(g) + 9 H2O(g)
C8H17Cl + NaOH = C8H18O + NaCl =>
C8H17Cl + NaOH = C8H18O + NaCl
Au(OH)3 + H3PO4 = Au3(PO4)3 + H2O =>
3 Au(OH)3 + 3 H3PO4 = Au3(PO4)3 + 9 H2O
CO2 + Na2CO3 + C6H8O7 = C6H5O7Na + H2O =>
3 CO2 + 9 Na2CO3 + 16 C6H8O7 = 18 C6H5O7Na + 19 H2O
Na2(SO4) + BaCl2 = Ba(SO4) + NaCl =>
Na2(SO4) + BaCl2 = Ba(SO4) + 2 NaCl
Pb(NO3)2 + H2SO4 = HNO3 + PbSO4 =>
Pb(NO3)2 + H2SO4 = 2 HNO3 + PbSO4
Na2O2 = O2 + Na2O =>
2 Na2O2 = O2 + 2 Na2O
C3H8C3H8 + O2 = CO2 + H2O =>
C3H8C3H8 + 10 O2 = 6 CO2 + 8 H2O
KBr + Cl2 + H2O = KCl + HOBr + HBr =>
2 KBr + Cl2 + H2O = 2 KCl + HOBr + HBr
Ba(s) + H2(g) = BaH =>
2 Ba(s) + H2(g) = 2 BaH
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
Na2(Sn(OH)4) + Br2 + NaOH = Na2(Sn(OH)6) + NaBr =>
Na2(Sn(OH)4) + Br2 + 2 NaOH = Na2(Sn(OH)6) + 2 NaBr
K2Cr2O7 + H2SO4 + C2H5OH = K2SO4 + CH3COOH + H2O + Cr2(SO4)3 =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H5OH = 2 K2SO4 + 3 CH3COOH + 11 H2O + 2 Cr2(SO4)3
K2CO3 + MnBr2 = KBr + CO3Mn =>
K2CO3 + MnBr2 = 2 KBr + CO3Mn
GeI4 + H2O = GeO2 + I2 + H2 =>
GeI4 + 2 H2O = GeO2 + 2 I2 + 2 H2
NaClO + NaOH + NiCl2 + H2O = NaCl + Ni(OH)3 =>
NaClO + 4 NaOH + 2 NiCl2 + H2O = 5 NaCl + 2 Ni(OH)3
Mn2 + BiO{-}3 + H{+} = MnO{-}4 + Bi3{+} + H2O =>
Mn2 + 3 BiO{-}3 + 2 H{+} = 2 MnO{-}4 + Bi3{+} + H2O
H2S = H2 + S =>
H2S = H2 + S
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