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2 Na + CaSO4 = Na2SO4 + Ca
BaO + Al = Al2O3 + Ba =>
3 BaO + 2 Al = Al2O3 + 3 Ba
KOH + Zn(NO3)2 = K(NO3) + Zn(OH)2 =>
2 KOH + Zn(NO3)2 = 2 K(NO3) + Zn(OH)2
Co(NH3)2Cl2 + NH4Cl + O2 = [Co(NH3)3Cl2]Cl + H2O =>
4 Co(NH3)2Cl2 + 4 NH4Cl + O2 = 4[Co(NH3)3Cl2]Cl + 2 H2O
CaHPO4 + KHSO4 = K2SO4 + CaSO4 + H3PO4 =>
CaHPO4 + 2 KHSO4 = K2SO4 + CaSO4 + H3PO4
H3PO3 = H3PO4 + PH3 =>
4 H3PO3 = 3 H3PO4 + PH3
Al2Mg3 + O2 = Al2O3 + Mg =>
2 Al2Mg3 + 3 O2 = 2 Al2O3 + 6 Mg
KCr(SO4)2 + K2S + H2O = CrO + K2SO4 + H2SO4 =>
8 KCr(SO4)2 + K2S + 12 H2O = 8 CrO + 5 K2SO4 + 12 H2SO4
Ba + H3PO3 = BaPO3 + H3 =>
Ba + H3PO3 = BaPO3 + H3
M2CO3 + Ba = BaCO3 + M =>
M2CO3 + Ba = BaCO3 + 2 M
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
CaCO3 + SiO2 = Ca2Si2O6 + CO2 =>
2 CaCO3 + 2 SiO2 = Ca2Si2O6 + 2 CO2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
C2H2 + C2H3Cl = C4H5Cl =>
C2H2 + C2H3Cl = C4H5Cl
In2O3 + SnCl4 = In(Cl)3 + SnO2 =>
2 In2O3 + 3 SnCl4 = 4 In(Cl)3 + 3 SnO2
H202 = H =>
H202 = 202 H
LiOH + Na2CO3 = NaOH + Li2CO3 =>
2 LiOH + Na2CO3 = 2 NaOH + Li2CO3
MoS2 + O2 = Mo3O4 + SO2 =>
3 MoS2 + 8 O2 = Mo3O4 + 6 SO2
FeCl3 + HgO = HgCl2 + Fe2O3 =>
2 FeCl3 + 3 HgO = 3 HgCl2 + Fe2O3
Rb2C4H4O6 + Cd3(BO3)2 = Rb3BO3 + CdC4H4O6 =>
3 Rb2C4H4O6 + Cd3(BO3)2 = 2 Rb3BO3 + 3 CdC4H4O6
Cu2S + O2 = Cu2O + SO =>
Cu2S + O2 = Cu2O + SO
I2 + Cl2 + H2O = HIO3 + HCl =>
I2 + 5 Cl2 + 6 H2O = 2 HIO3 + 10 HCl
Fe + K2Cr2O7 + HCl = FeCl3 + CrCl3 + KCl + H2O =>
2 Fe + K2Cr2O7 + 14 HCl = 2 FeCl3 + 2 CrCl3 + 2 KCl + 7 H2O
BaCl2 + Li2O = BaO + LiCl =>
BaCl2 + Li2O = BaO + 2 LiCl
Mn(NO3)2 + Na2BiO3 + HNO3 = NaNO3 + Bi(NO3)2 + H2O + HMnO4 =>
2 Mn(NO3)2 + 5 Na2BiO3 + 16 HNO3 = 10 NaNO3 + 5 Bi(NO3)2 + 7 H2O + 2 HMnO4
NaCl + Pb2(NO3)2 = NaNO3 + Pb2Cl2 =>
2 NaCl + Pb2(NO3)2 = 2 NaNO3 + Pb2Cl2
Na3[Cr(OH)4] + Cl2 + NaOH = Na2CrO4 + NaCl + H2O =>
2 Na3[Cr(OH)4] + 5 Cl2 + 8 NaOH = 2 Na2CrO4 + 10 NaCl + 8 H2O
Al2(OH)3 = Al2O3 + H2 =>
2 Al2(OH)3 = 2 Al2O3 + 3 H2
C + Fe3O4 = Fe3C + O =>
C + Fe3O4 = Fe3C + 4 O
BaS + (NH4)3PO4 = Ba3PO4 + NH4S =>
3 BaS + (NH4)3PO4 = Ba3PO4 + 3 NH4S
Si + Ca = Ca4Si3 =>
3 Si + 4 Ca = Ca4Si3
K2CO3 + SO3 = K2CO3(SO3)2 =>
K2CO3 + 2 SO3 = K2CO3(SO3)2
C6H4CH3Cl + NaOH = C6H4CH3ONa + HCl =>
C6H4CH3Cl + NaOH = C6H4CH3ONa + HCl
KSO4 + PBNO3 = KNO3 + PBSO4 =>
KSO4 + PBNO3 = KNO3 + PBSO4
CaO + Na2C2O4 + HCl = CaC2O4 + NaCl + H2O =>
CaO + Na2C2O4 + 2 HCl = CaC2O4 + 2 NaCl + H2O
NaOH + CH3CO2H = H2O + CH3COONa =>
NaOH + CH3CO2H = H2O + CH3COONa
Pb(CHO2)2 + Na2SO4 = PbSO4 + NaCHO2 =>
Pb(CHO2)2 + Na2SO4 = PbSO4 + 2 NaCHO2
C6H5OH + KMnO4 + H2SO4 = K2SO4 + MnSO4 + C6H4O2 + H2O =>
5 C6H5OH + 4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 5 C6H4O2 + 11 H2O
CH3COH + O2 = CH3COOH =>
2 CH3COH + O2 = 2 CH3COOH
SO3 + H2S = SO2 + H2O =>
3 SO3 + H2S = 4 SO2 + H2O
K2CrO4 + HCl = K2Cl + H(CrO4) =>
K2CrO4 + HCl = K2Cl + H(CrO4)
K3[Fe(NCS)6] + NaF = Na3[FeF6] + NaNCS + KSCN =>
K3[Fe(NCS)6] + 6 NaF = Na3[FeF6] + 3 NaNCS + 3 KSCN
CrS + HBr = Br2Cr + H2S =>
CrS + 2 HBr = Br2Cr + H2S
HCOOH + KOH = KCOOH + HOH =>
HCOOH + KOH = KCOOH + HOH
H + NO2 = HNO2 =>
H + NO2 = HNO2
H2O + Al + AsO3{-} + OH{-} = Al(OH)4{-} + AsH3 =>
18 H2O + 8 Al + 3 AsO3{-} + 5 OH{-} = 8 Al(OH)4{-} + 3 AsH3
CH4 + CO2 = H2 + CO =>
CH4 + CO2 = 2 H2 + 2 CO
NaH + H2O = NaOH + H2 =>
NaH + H2O = NaOH + H2
(NH4)2O + Mg(NO3)2 = NH4NO3 + MgO =>
(NH4)2O + Mg(NO3)2 = 2 NH4NO3 + MgO
CaBr2 + NaO3Si = CaO3Si + NaBr2 =>
CaBr2 + NaO3Si = CaO3Si + NaBr2
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