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22 Cu + 30 H2SO4 = 22 CuSO4 + 30 H2O + S8O2
ZnO(s) = Zn(s) + O2(g) =>
2 ZnO(s) = 2 Zn(s) + O2(g)
NH3 + HNO3 = N + H2O =>
5 NH3 + 3 HNO3 = 8 N + 9 H2O
FeO4{2-} + H{+} + Mn{2+} = MnO4{-} + Fe{3+} + H2O =>
5 FeO4{2-} + 16 H{+} + 3 Mn{2+} = 3 MnO4{-} + 5 Fe{3+} + 8 H2O
(NH4)2SO4(aq) + NaOH(aq) = Na2SO4(s) + H2O(l) + NH3(g) =>
(NH4)2SO4(aq) + 2 NaOH(aq) = Na2SO4(s) + 2 H2O(l) + 2 NH3(g)
K + MnO2 = K2O + Mn =>
4 K + MnO2 = 2 K2O + Mn
HCl + AgF = HF + AgCl =>
HCl + AgF = HF + AgCl
HCO3H = H2OCO2 =>
HCO3H = H2OCO2
MgBr2 + KNO3 = Mg(NO3)2 + KBr =>
MgBr2 + 2 KNO3 = Mg(NO3)2 + 2 KBr
C3H7NH2 + NaOH = C3H7NH3 + NaO =>
C3H7NH2 + NaOH = C3H7NH3 + NaO
C3H6O2 + C3H8O = C5H10O2 + H2O =>
3 C3H6O2 + 2 C3H8O = 3 C5H10O2 + 2 H2O
FeO(s) + H2O(g) = Fe(OH)3 + H2(g) =>
2 FeO(s) + 4 H2O(g) = 2 Fe(OH)3 + H2(g)
Ag + Au(NO3)3 = Au + Ag(NO3) =>
3 Ag + Au(NO3)3 = Au + 3 Ag(NO3)
CO(g) + H2O(l) = CO2(g) + H2 =>
CO(g) + H2O(l) = CO2(g) + H2
Ca(OH)2 + HCl = H2O + CaCl2 = =>
Ca(OH)2 + 2 HCl = 2 H2O + CaCl2
As4O6 + Cl2 + H2O = H3AsO4 + HCl =>
As4O6 + 4 Cl2 + 10 H2O = 4 H3AsO4 + 8 HCl
NiC2O4 = NiO + CO2 + CO =>
NiC2O4 = NiO + CO2 + CO
Ca(CO3) + HCl = CaCl2 + CO2 + H2O =>
Ca(CO3) + 2 HCl = CaCl2 + CO2 + H2O
Th(NO3)4 + K3(PO4) = Th3(PO4)4 + KNO3 =>
3 Th(NO3)4 + 4 K3(PO4) = Th3(PO4)4 + 12 KNO3
AgNo3 + K2Cr2O7 = Ag2Cr2O7 + KNo3 =>
2 AgNo3 + K2Cr2O7 = Ag2Cr2O7 + 2 KNo3
Cl2 + KI + KOH = KCl + KIO4 + H2O =>
4 Cl2 + KI + 8 KOH = 8 KCl + KIO4 + 4 H2O
CuSO4 + NH4Cl = CuCl2 + (NH4)2SO4 =>
CuSO4 + 2 NH4Cl = CuCl2 + (NH4)2SO4
Cr + FeCl3 = Fe + CrCl3 =>
Cr + FeCl3 = Fe + CrCl3
[Fe(H2O)6]{2+} + OH{-} + O2 = [Fe(H2O)4O(OH)2] + H2O =>
2[Fe(H2O)6]{2+} + 4 OH{-} + O2 = 2[Fe(H2O)4O(OH)2] + 4 H2O
Mg + H2SO4 = MgO + SO + H2O =>
2 Mg + H2SO4 = 2 MgO + SO + H2O
Cl2 + KI + KOH = KCl + KIO4 + H2O =>
4 Cl2 + KI + 8 KOH = 8 KCl + KIO4 + 4 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
CH3COOH(aq) + Ba(OH)2(aq) = H2O(l) + (CH3COO)2Ba(aq) =>
2 CH3COOH(aq) + Ba(OH)2(aq) = 2 H2O(l) + (CH3COO)2Ba(aq)
Ba3(PO4)2 + CaO = BaO + Ca3(PO4)2 =>
Ba3(PO4)2 + 3 CaO = 3 BaO + Ca3(PO4)2
MnO2 + I{-} + H2O = Mn{2+} + I2 + OH{-} =>
MnO2 + 2 I{-} + 2 H2O = Mn{2+} + I2 + 4 OH{-}
HNO2 + KI = KOH + I2 + NO =>
2 HNO2 + 2 KI = 2 KOH + I2 + 2 NO
(CuOH)2CO3 + NH4OH = [Cu(NH3)4](OH)2 + [Cu(NH3)4]CO3 + H2O =>
(CuOH)2CO3 + 8 NH4OH = [Cu(NH3)4](OH)2 + [Cu(NH3)4]CO3 + 8 H2O
S*O2 = SO2 =>
S*O2 = SO2
C5H8O4 + H2SO4 = C5H10O5 + SO3 =>
C5H8O4 + H2SO4 = C5H10O5 + SO3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
C5H6 + Cl = C6Cl + HCl =>
6 C5H6 + 41 Cl = 5 C6Cl + 36 HCl
Na2S + SO2 + H2O = Na2SO3 + H2S =>
Na2S + SO2 + H2O = Na2SO3 + H2S
P4O10 + S = SO2 + P =>
P4O10 + 5 S = 5 SO2 + 4 P
Ca2FeIrO6 + Mn2O3 + Fe2O3 + IrO2 + Ir = Ca19Mn1Fe10Ir10O60 =>
76 Ca2FeIrO6 + 4 Mn2O3 + 2 Fe2O3 + 3 IrO2 + Ir = 8 Ca19Mn1Fe10Ir10O60
NO3 + H2O = HNO3 + O2 =>
4 NO3 + 2 H2O = 4 HNO3 + O2
Bi{3+} + SnO2{2-} + OH{-} = SnO3{2-} + H2O + Bi =>
2 Bi{3+} + 3 SnO2{2-} + 6 OH{-} = 3 SnO3{2-} + 3 H2O + 2 Bi
Li(s) + O2(s) = Li2O(s) =>
4 Li(s) + O2(s) = 2 Li2O(s)
NH(OH) + H2(H2SO4) = (NH)2H2SO4 + H2O =>
2 NH(OH) + H2(H2SO4) = (NH)2H2SO4 + 2 H2O
MnO4{-} + I{-} + OH{-} = MnO4{2-} + IO4{-} + H2O =>
8 MnO4{-} + I{-} + 8 OH{-} = 8 MnO4{2-} + IO4{-} + 4 H2O
CH3COOH + MgCO3 = Mg(CH3COO)2 + CO2 + H2O =>
2 CH3COOH + MgCO3 = Mg(CH3COO)2 + CO2 + H2O
KOH + NaOH = NaKOH + OH =>
KOH + NaOH = NaKOH + OH
MnO4{-} + Fe2{+} + H{+} = Mn2{+} + Fe{+} + H2O =>
2 MnO4{-} + 13 Fe2{+} + 16 H{+} = Mn2{+} + 26 Fe{+} + 8 H2O
HCl + FeS = H2S + FeCl2 =>
2 HCl + FeS = H2S + FeCl2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Mn(NO3)2 + NH3 = MnH2 + N2 + O2 =>
3 Mn(NO3)2 + 2 NH3 = 3 MnH2 + 4 N2 + 9 O2
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