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BaO + 2 K = K2O + Ba
Fe + KCl = FeCl3 + K =>
Fe + 3 KCl = FeCl3 + 3 K
Zn + K(NO3) = K + Zn(NO3)2 =>
Zn + 2 K(NO3) = 2 K + Zn(NO3)2
Hg(NO3)2 + NaBr = HgBr2 + NaNO3 =>
Hg(NO3)2 + 2 NaBr = HgBr2 + 2 NaNO3
NO2{-2} + H2O = NO3{-2} + H{+} + {-} =>
NO2{-2} + H2O = NO3{-2} + 2 H{+} + 2e
NaBr(aq) + AgC2H3O2(aq) = NaC2H3O2 + BrAg =>
NaBr(aq) + AgC2H3O2(aq) = NaC2H3O2 + BrAg
H2SO3 + FeS = FeSO4 + H2S =>
4 H2SO3 + 3 FeS = 3 FeSO4 + 4 H2S
In + Br2 = InBr =>
2 In + Br2 = 2 InBr
HCI + Zn = ZnCI + H2 =>
2 HCI + 2 Zn = 2 ZnCI + H2
B(s) + Cl2(g) = BCl3(g) =>
2 B(s) + 3 Cl2(g) = 2 BCl3(g)
Na2CO3 + KHCO3 = NaHCO3 + K2CO3 =>
Na2CO3 + 2 KHCO3 = 2 NaHCO3 + K2CO3
HCl + CaCl2 = CaH2 + Cl2 =>
2 HCl + CaCl2 = CaH2 + 2 Cl2
CH4O + Ca(OH)2 = CaCH4O2 + H2O =>
CH4O + Ca(OH)2 = CaCH4O2 + H2O
(NH4)I + Pb(NO3)2 = (NH4)(NO3) + PbI2 =>
2(NH4)I + Pb(NO3)2 = 2(NH4)(NO3) + PbI2
CH3COONa + CH3CH2OH = CH3CH2COOCH2CH3 + NaOH + H2O =>
2 CH3COONa + 3 CH3CH2OH = 2 CH3CH2COOCH2CH3 + 2 NaOH + H2O
HSO + Fe = FeSOH =>
HSO + Fe = FeSOH
HCOH + H2O = H3O + HCOO =>
HCOH + 4 H2O = 3 H3O + HCOO
HNO3 + HCl = NOCl + Cl2 + H2O =>
HNO3 + 3 HCl = NOCl + Cl2 + 2 H2O
K + O3 = KO2 =>
3 K + 2 O3 = 3 KO2
FeS + H2O = (FeOH)2S + Fe(HS)2 =>
3 FeS + 2 H2O = (FeOH)2S + Fe(HS)2
Ba(OH)2 + Cl2O5 = Ba(ClO3)2 + H2O =>
Ba(OH)2 + Cl2O5 = Ba(ClO3)2 + H2O
NH3 + NaOH + Cl2 = N2H4 + NaCl + H2O =>
2 NH3 + 2 NaOH + Cl2 = N2H4 + 2 NaCl + 2 H2O
H2AsO4 + H2O = AsH3 + OH =>
H2AsO4 + 5 H2O = AsH3 + 9 OH
Pb(NO3)2 + H2(SO4) = Pb(SO4) + HNO3 =>
Pb(NO3)2 + H2(SO4) = Pb(SO4) + 2 HNO3
KMnO4 + C5H8O2 = Mn(C5H8O2)3 + (CH3CO)2CHCH(CH3CO)2 + KOH + H2O =>
2 KMnO4 + 20 C5H8O2 = 2 Mn(C5H8O2)3 + 7(CH3CO)2CHCH(CH3CO)2 + 2 KOH + 6 H2O
K(SCN) + FeCl3 = Fe(SCN)3 + KCl =>
3 K(SCN) + FeCl3 = Fe(SCN)3 + 3 KCl
P2F5 = P + F2 =>
2 P2F5 = 4 P + 5 F2
KHCO3 + H2O = K2O + H2CO3 =>
2 KHCO3 + H2O = K2O + 2 H2CO3
H2CO3 + Ba2 = BaCO3 + H2 =>
2 H2CO3 + Ba2 = 2 BaCO3 + 2 H2
Fe(NH4)2(SO4)2(H2O)6 + H2C2O4 = Fe(C2O4)(H2O)2 + (NH4)2(SO4) + H2SO4 + H2O =>
Fe(NH4)2(SO4)2(H2O)6 + H2C2O4 = Fe(C2O4)(H2O)2 + (NH4)2(SO4) + H2SO4 + 4 H2O
C3H7OH + PCl5 = C3H7Cl + H3PO4 + HCl =>
4 C3H7OH + PCl5 = 4 C3H7Cl + H3PO4 + HCl
CaCl2 + HCl = HCa + Cl =>
CaCl2 + HCl = HCa + 3 Cl
Co(NO3)2 + Na2(CO3) = Na(NO3) + Co2(CO3)2 =>
2 Co(NO3)2 + 2 Na2(CO3) = 4 Na(NO3) + Co2(CO3)2
Sb(HCO3)3 = Sb2O3 + CO2 + H2O =>
2 Sb(HCO3)3 = Sb2O3 + 6 CO2 + 3 H2O
Bi2(SO4)3 + H2O = (BiO)2SO4 + H2SO4 =>
Bi2(SO4)3 + 2 H2O = (BiO)2SO4 + 2 H2SO4
Co2 + O = CoO =>
Co2 + 2 O = 2 CoO
HCOH + H2O = HCOOH + H2 =>
HCOH + H2O = HCOOH + H2
Fe(s) + HClO4(aq) = Fe(ClO4)2 + H2 =>
Fe(s) + 2 HClO4(aq) = Fe(ClO4)2 + H2
C3H8 + O7 = CO2 + H2O =>
7 C3H8 + 10 O7 = 21 CO2 + 28 H2O
HCl + HNO3 = HOCl + NO + H2O =>
3 HCl + 2 HNO3 = 3 HOCl + 2 NO + H2O
KHCO3 + H2O = KH2CO3 + OH =>
KHCO3 + H2O = KH2CO3 + OH
Na + Mg(C2H3O2)2 = Na(C2H3O2)2 + Mg =>
Na + Mg(C2H3O2)2 = Na(C2H3O2)2 + Mg
Ca(OH)2(aq) + NH4Cl(s) = CaCl2(aq) + H2O(l) + NH3(g) =>
Ca(OH)2(aq) + 2 NH4Cl(s) = CaCl2(aq) + 2 H2O(l) + 2 NH3(g)
Fe(NH4)2(SO4)2(H2O)6 + H2C2O4 = Fe(C2O4)(H2O) + (NH4)2(SO4) + H2SO4 + H2O =>
Fe(NH4)2(SO4)2(H2O)6 + H2C2O4 = Fe(C2O4)(H2O) + (NH4)2(SO4) + H2SO4 + 5 H2O
Mn{2+} + Br{2+} + OH{-} = MnO2 + Br{-} + H2O =>
3 Mn{2+} + 2 Br{2+} + 12 OH{-} = 3 MnO2 + 2 Br{-} + 6 H2O
MgO + SO4 = MgSO4 + O =>
MgO + SO4 = MgSO4 + O
CaCl2(aq) + K2CrO4(aq) = Ca(CrO4)(aq) + KCl(aq) =>
CaCl2(aq) + K2CrO4(aq) = Ca(CrO4)(aq) + 2 KCl(aq)
Ag2O(cr) = Ag(cr) + O2(g) =>
2 Ag2O(cr) = 4 Ag(cr) + O2(g)
Br2O3(g) + H2O(l) = HBrO2(l) =>
Br2O3(g) + H2O(l) = 2 HBrO2(l)
HCOH + H2O = CH3OH + O2 =>
2 HCOH + 2 H2O = 2 CH3OH + O2
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