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2 Ni + O2 = 2 NiO
AgNO3 + NaI = AgI + NaNO3 =>
AgNO3 + NaI = AgI + NaNO3
Pb(NO3)2 + NaBr = PbBr2 + NaNO3 =>
Pb(NO3)2 + 2 NaBr = PbBr2 + 2 NaNO3
Cu(OH)2 + H2Cr2O7 = CuCr2O7 + H2O =>
Cu(OH)2 + H2Cr2O7 = CuCr2O7 + 2 H2O
CH3CHCHCH3 + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 CH3CHCHCH3 + 8 KMnO4 + 12 H2SO4 = 10 CH3COOH + 8 MnSO4 + 4 K2SO4 + 12 H2O
Al2(SO4)3 + H2O = Al(OH)3 + H2SO4 =>
Al2(SO4)3 + 6 H2O = 2 Al(OH)3 + 3 H2SO4
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
BaSO4 + Al = BaS + Al2O3 =>
3 BaSO4 + 8 Al = 3 BaS + 4 Al2O3
Zn + Pb(CH3COO)2 = Pb + (CH3COO)2Zn =>
Zn + Pb(CH3COO)2 = Pb + (CH3COO)2Zn
PbO + HNO3 = PbO2 + H2O + NO =>
3 PbO + 2 HNO3 = 3 PbO2 + H2O + 2 NO
NiCl2 + Ba(OH)2 = Ba(Cl)2 + Ni(OH)2 =>
NiCl2 + Ba(OH)2 = Ba(Cl)2 + Ni(OH)2
Cl2 + KOH = KCl + H2O + KClO2 =>
2 Cl2 + 4 KOH = 3 KCl + 2 H2O + KClO2
CuCl2 + KOH = Cu(OH)2 + KCl =>
CuCl2 + 2 KOH = Cu(OH)2 + 2 KCl
AlCl3(aq) + NaOH(aq) = Al(OH)3 + NaCl =>
AlCl3(aq) + 3 NaOH(aq) = Al(OH)3 + 3 NaCl
K3PO4 + H2O = K2O + H3(PO4) =>
2 K3PO4 + 3 H2O = 3 K2O + 2 H3(PO4)
CaSiO3 + HCl = CaCl2 + H2SiO3 =>
CaSiO3 + 2 HCl = CaCl2 + H2SiO3
Br2 + Fe = FeBr2 =>
Br2 + Fe = FeBr2
CH3CHC + [Ag(NH3)2]OH = CH3COONH4 + Ag + NH3 + H2O =>
2 CH3CHC + 8[Ag(NH3)2]OH = 3 CH3COONH4 + 8 Ag + 13 NH3 + 2 H2O
H2CO3 + KOH = HCO3 + H2KO =>
H2CO3 + KOH = HCO3 + H2KO
H2SO4 + Pb(OH)2 = (PbOH)2(SO4) + H2O =>
H2SO4 + 2 Pb(OH)2 = (PbOH)2(SO4) + 2 H2O
Ca3P2 + O2 = Ca2O3 + P =>
4 Ca3P2 + 9 O2 = 6 Ca2O3 + 8 P
LiMnO4 + H2SO4 + H2Te = Li2SO4 + MnSO4 + Te + H2O =>
2 LiMnO4 + 3 H2SO4 + 5 H2Te = Li2SO4 + 2 MnSO4 + 5 Te + 8 H2O
KAl(SO4)2 + NaClO4 = Na2(SO4) + Al(ClO4)3 + K2(SO4) =>
2 KAl(SO4)2 + 6 NaClO4 = 3 Na2(SO4) + 2 Al(ClO4)3 + K2(SO4)
K2CO2 + BaCl2 = KCl + BaCO2 =>
K2CO2 + BaCl2 = 2 KCl + BaCO2
SIH4 + N2O = SIO + H2O + N2 =>
SIH4 + 3 N2O = SIO + 2 H2O + 3 N2
Ca + HCl = CaCl1 + H2 =>
2 Ca + 2 HCl = 2 CaCl1 + H2
FeCl2 + KNO2 + H2SO4 = FeCl3 + N2 + K2SO4 + Fe2(SO4)3 + H2O =>
6 FeCl2 + 2 KNO2 + 4 H2SO4 = 4 FeCl3 + N2 + K2SO4 + Fe2(SO4)3 + 4 H2O
Cu(NH3)4(OH)2 + CO = Cu + (NH4)2CO3 + NH3 =>
Cu(NH3)4(OH)2 + CO = Cu + (NH4)2CO3 + 2 NH3
AgNO3 + Ni = Ni(NO3)2 + Ag =>
2 AgNO3 + Ni = Ni(NO3)2 + 2 Ag
MnO4{-} + S{2-} + H3O{+} = Mn{2+} + SO2 + H2O =>
6 MnO4{-} + 5 S{2-} + 28 H3O{+} = 6 Mn{2+} + 5 SO2 + 42 H2O
HNO3 + Sn(OH)4 = Sn(NO3)4 + H2O =>
4 HNO3 + Sn(OH)4 = Sn(NO3)4 + 4 H2O
Cl2(s) + KI(aq) = I2(s) + KCl(aq) =>
Cl2(s) + 2 KI(aq) = I2(s) + 2 KCl(aq)
K2Cr2O7 + KBr + H2SO4 = Br2 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 6 KBr + 7 H2SO4 = 3 Br2 + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
Cr2(SO3)3 + HCl = CrCl3 + H2SO3 =>
Cr2(SO3)3 + 6 HCl = 2 CrCl3 + 3 H2SO3
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
BaH18O10 + HNO3 = Ba(NO3)2 + H2O =>
BaH18O10 + 2 HNO3 = Ba(NO3)2 + 10 H2O
Sn + NaOH = Na2SnO2 + H2 =>
Sn + 2 NaOH = Na2SnO2 + H2
C3H3 + O2 = CO2 + H2O =>
4 C3H3 + 15 O2 = 12 CO2 + 6 H2O
C6H5C2H4Cl + KOH = C6H5C2H3 + KCl + H2O =>
C6H5C2H4Cl + KOH = C6H5C2H3 + KCl + H2O
Ca3P2 + O2 = Ca2O3 + P =>
4 Ca3P2 + 9 O2 = 6 Ca2O3 + 8 P
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
Pb(NO3)2(aq) + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2(aq) + 2 NaCl = PbCl2 + 2 NaNO3
Ca + HCl = CaCl1 + H2 =>
2 Ca + 2 HCl = 2 CaCl1 + H2
CO2(g) + H2O(l) = C6H12O6(aq) + O(g) =>
6 CO2(g) + 6 H2O(l) = C6H12O6(aq) + 12 O(g)
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
Na2S + HCl = NaCl + H2S =>
Na2S + 2 HCl = 2 NaCl + H2S
[O] + C2H5OH = CH3COOH + H2O =>
2[O] + C2H5OH = CH3COOH + H2O
ZnCl2(aq) + H2S(g) = ZnS(s) + HCl(aq) =>
ZnCl2(aq) + H2S(g) = ZnS(s) + 2 HCl(aq)
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