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2 B2O3(s) = 4 B(s) + 3 O2(g)
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
FeCn2 + KCn = K4Fe(Cn)6 =>
FeCn2 + 4 KCn = K4Fe(Cn)6
Pb(No3)2(aq) + LiCl(aq) = PbCl2(s) + LiNo3(aq) =>
Pb(No3)2(aq) + 2 LiCl(aq) = PbCl2(s) + 2 LiNo3(aq)
K2SO4 + NdCl3 = KCl + Nd2(SO4)3 =>
3 K2SO4 + 2 NdCl3 = 6 KCl + Nd2(SO4)3
MnO4{-} + H{+} + SO4{2-} = Mn{2+} + SO4 + H2O =>
2 MnO4{-} + 16 H{+} + 5 SO4{2-} = 2 Mn{2+} + 5 SO4 + 8 H2O
MnCl2 + Ca(oh)2 = Mn(oh)3 + CaCl2 =>
6 MnCl2 + 3 Ca(oh)2 = 2 Mn(oh)3 + 6 CaCl2
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
K2FeO4 + FeCl2 + H2O = Fe(OH)2Cl + KCl =>
K2FeO4 + 3 FeCl2 + 4 H2O = 4 Fe(OH)2Cl + 2 KCl
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
F2O3 + H2O = F(OH)3 =>
F2O3 + 3 H2O = 2 F(OH)3
AgNO3 + NaC1 = AgC1 + NaNO3 =>
AgNO3 + NaC1 = AgC1 + NaNO3
NaOH + BaNO3 = NaNO3 + BaOH =>
NaOH + BaNO3 = NaNO3 + BaOH
Fe2(SO4)3 + HNO3 = Fe(NO3)3 + H2(SO4) =>
Fe2(SO4)3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2(SO4)
CuO + HNO3 = CuNO4 + H2 =>
2 CuO + 2 HNO3 = 2 CuNO4 + H2
Cu(OH)4{-2} + HNO3 = Cu{+2} + NO3{-} + H2O =>
Cu(OH)4{-2} + 4 HNO3 = Cu{+2} + 4 NO3{-} + 4 H2O
ZnSO3 + HCl = ZnCl2 + H2O + SO2 =>
ZnSO3 + 2 HCl = ZnCl2 + H2O + SO2
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
NaHCO3 + HC3H3O2 = C2H3NaO2 + H2O + CO2 =>
3 NaHCO3 + 2 HC3H3O2 = 3 C2H3NaO2 + H2O + 3 CO2
ZrCl4 + H2O = ZrO2 + HCl =>
ZrCl4 + 2 H2O = ZrO2 + 4 HCl
Te + HClO3 + H2O = H2TeO3 + HCl =>
3 Te + 2 HClO3 + 3 H2O = 3 H2TeO3 + 2 HCl
CuSO4 + KI = CuI + K2SO4 + I2 =>
2 CuSO4 + 4 KI = 2 CuI + 2 K2SO4 + I2
AgNO3 + CsBr = CsNO3 + AgBr =>
AgNO3 + CsBr = CsNO3 + AgBr
Ca(OH)2 + Fe2(SO4)3 = Fe(OH)3 + CaSO4 =>
3 Ca(OH)2 + Fe2(SO4)3 = 2 Fe(OH)3 + 3 CaSO4
C2H2O4 + NaHCO3 = CO2 + H2O + Na2C2O4 =>
C2H2O4 + 2 NaHCO3 = 2 CO2 + 2 H2O + Na2C2O4
CoF3 + Ca(OH)2 = Co(OH)3 + CaF2 =>
2 CoF3 + 3 Ca(OH)2 = 2 Co(OH)3 + 3 CaF2
ZnSO3 + HCl = ZnCl2 + H2O + SO2 =>
ZnSO3 + 2 HCl = ZnCl2 + H2O + SO2
(CN)2(g) + H2O(l) = H2C2O4(aq) + NH3(g) =>
(CN)2(g) + 4 H2O(l) = H2C2O4(aq) + 2 NH3(g)
CrSe3 + HNO3 + PbO2 = H2CrO7 + H2SeO4 + Pb(NO3)2 + H2O =>
CrSe3 + 30 HNO3 + 15 PbO2 = H2CrO7 + 3 H2SeO4 + 15 Pb(NO3)2 + 11 H2O
CuO + HCl = Cu(Cl2) + H2O =>
CuO + 2 HCl = Cu(Cl2) + H2O
S + HNO3(conc) = H2SO4 + H2O + NO2 =>
S + 6 HNO3(conc) = H2SO4 + 2 H2O + 6 NO2
Li2CO3 + HCl = LiCl + H2CO3 =>
Li2CO3 + 2 HCl = 2 LiCl + H2CO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NaNO2 + H2SO4 = Na2SO4 + HNO2 =>
2 NaNO2 + H2SO4 = Na2SO4 + 2 HNO2
Cu(NO3)2 + NaI = CuI + I2 + NaNO3 =>
2 Cu(NO3)2 + 4 NaI = 2 CuI + I2 + 4 NaNO3
FeCn2 + KCn = K4Fe(Cn)6 =>
FeCn2 + 4 KCn = K4Fe(Cn)6
HCa(NO3)2 + H2O = Ca(NO3)2 + H3O =>
HCa(NO3)2 + H2O = Ca(NO3)2 + H3O
Fe + Mn2 = FeMn =>
2 Fe + Mn2 = 2 FeMn
Fe + (OH)3 + H2SO4 = Fe(HSO4)3 + H2O =>
Fe + (OH)3 + 3 H2SO4 = Fe(HSO4)3 + 3 H2O
P + KMnO4 + H2O = KH2PO4 + MnO2 + KOH =>
3 P + 5 KMnO4 + 4 H2O = 3 KH2PO4 + 5 MnO2 + 2 KOH
MgO = Mg + O2 =>
2 MgO = 2 Mg + O2
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
Sn(oh)2 + CaCl2 = SnCl + Ca =>
Sn(oh)2 + CaCl2 = 2 SnCl + Ca
Fe + (OH)3 + H2SO4 = Fe(HSO4)3 + H2O =>
Fe + (OH)3 + 3 H2SO4 = Fe(HSO4)3 + 3 H2O
An + AgNO3 = An(NO3)4 + Ag =>
An + 4 AgNO3 = An(NO3)4 + 4 Ag
CuO + H2S = H2O + CuS =>
CuO + H2S = H2O + CuS
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
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