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2 Ca + O2 = 2 CaO
C2H8O7P2 + CuCO3 + NaOH = C2H4O7P2Na2Cu + H2O + CO2 =>
C2H8O7P2 + CuCO3 + 2 NaOH = C2H4O7P2Na2Cu + 3 H2O + CO2
K2MnO4 + C2H2O4 = CO2 + K2O + Mn2O3 + H2O =>
2 K2MnO4 + 3 C2H2O4 = 6 CO2 + 2 K2O + Mn2O3 + 3 H2O
H2SO3 + NH3 = NH4HSO3 =>
H2SO3 + NH3 = NH4HSO3
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6
Al + Zr4{+} = Al3{+} + Zr =>
3 Al + Zr4{+} = Al3{+} + 4 Zr
P4O8(s) + H2(g) = PH3(g) + H2O2(l) =>
P4O8(s) + 10 H2(g) = 4 PH3(g) + 4 H2O2(l)
Al(s) + FeO3(s) = Fe(s) + Al2O3(s) =>
2 Al(s) + FeO3(s) = Fe(s) + Al2O3(s)
LiOH + HClO3 = Li(HClO3) + OH =>
LiOH + HClO3 = Li(HClO3) + OH
C5H12O + O2 = CO2 + H2O6 =>
2 C5H12O + 45 O2 = 10 CO2 + 12 H2O6
Cr(SO4)2 + Ni(NO3)2 = Cr(NO3)2 + Ni(SO4)2 =>
Cr(SO4)2 + Ni(NO3)2 = Cr(NO3)2 + Ni(SO4)2
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
ZnCO3 + Li2SO4 = ZnSO4 + Li2CO3 =>
ZnCO3 + Li2SO4 = ZnSO4 + Li2CO3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Ca + Al = Ca2Al3 =>
2 Ca + 3 Al = Ca2Al3
H2SO4 + KOH = (K)2SO4 + H2O =>
H2SO4 + 2 KOH = (K)2SO4 + 2 H2O
CaH2O2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 CaH2O2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
ZnS + CO2 = ZnO + CS2 =>
2 ZnS + CO2 = 2 ZnO + CS2
NaHCO3 + NaOH = Na2CO3 + H2O =>
NaHCO3 + NaOH = Na2CO3 + H2O
NH3BH3 + H2O = H2 + N2 + BO3H3 =>
2 NH3BH3 + 6 H2O = 9 H2 + N2 + 2 BO3H3
C2HCl + O2 = CO2 + H2O + Cl =>
4 C2HCl + 9 O2 = 8 CO2 + 2 H2O + 4 Cl
CuSO4 + CaCl2 = CuCl2 + CaSO4 =>
CuSO4 + CaCl2 = CuCl2 + CaSO4
SiO2 + C2 = SiC2 + CO =>
SiO2 + 2 C2 = SiC2 + 2 CO
K2O + HCl = KCl + H2O =>
K2O + 2 HCl = 2 KCl + H2O
Ag2C2O4 + NH3 = Ag(NH3) + C2O4 =>
Ag2C2O4 + 2 NH3 = 2 Ag(NH3) + C2O4
K2S + HI = KI + H2S =>
K2S + 2 HI = 2 KI + H2S
C2H6(g) + O2 = H2O + CO2(g) =>
2 C2H6(g) + 7 O2 = 6 H2O + 4 CO2(g)
Au + HNO3 + HCl = AuCl4{-} + NO2 + H3O{+} + H2O =>
Au + 3 HNO3 + 4 HCl = AuCl4{-} + 3 NO2 + H3O{+} + 2 H2O
H2CO3 + NaOH = Na2CO3 + H2O =>
H2CO3 + 2 NaOH = Na2CO3 + 2 H2O
Ca + Fe2(CO3)3 = Fe + Ca(CO3) =>
3 Ca + Fe2(CO3)3 = 2 Fe + 3 Ca(CO3)
(NH4)2MoO4 + BaCl2 = BaMoO4 + NH4Cl =>
(NH4)2MoO4 + BaCl2 = BaMoO4 + 2 NH4Cl
Li2CrO4 + GaCl4 = Ga(CrO4)2 + LiCl =>
2 Li2CrO4 + GaCl4 = Ga(CrO4)2 + 4 LiCl
NO2(g) + O2(g) + H2O(g) = HNO3(aq) =>
4 NO2(g) + O2(g) + 2 H2O(g) = 4 HNO3(aq)
MgI2 + AgNO3 = AgI + Mg(NO3)2 =>
MgI2 + 2 AgNO3 = 2 AgI + Mg(NO3)2
Mn(NO3)2 + K2S = K2SMn(NO3)2 =>
Mn(NO3)2 + K2S = K2SMn(NO3)2
HNo3 + Zn(OH)2 = Zn(No3)2 + H2O =>
2 HNo3 + Zn(OH)2 = Zn(No3)2 + 2 H2O
K2SO4(s) + BaCl2(aq) = BaSO4(s) + KCl(aq) =>
K2SO4(s) + BaCl2(aq) = BaSO4(s) + 2 KCl(aq)
Li + Fl2 = LiFl =>
2 Li + Fl2 = 2 LiFl
Ca + MgS = CaS + Mg =>
Ca + MgS = CaS + Mg
Fe(ClO3)2 + Na2S = FeS + Na2(ClO3)2 =>
Fe(ClO3)2 + Na2S = FeS + Na2(ClO3)2
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
Fe(CH3COO)2 + H2O2 + CH3COOH = Fe(CH3COO)3 + H2O =>
2 Fe(CH3COO)2 + H2O2 + 2 CH3COOH = 2 Fe(CH3COO)3 + 2 H2O
NaF + PbO = PbF + NaO =>
NaF + PbO = PbF + NaO
NH3 + H2SO4 = SO2 + H2O + HNO3 =>
NH3 + 4 H2SO4 = 4 SO2 + 5 H2O + HNO3
KMnO4 + C2H5OH = MnO2 + KOH + H2O + CH3COOH =>
4 KMnO4 + 3 C2H5OH = 4 MnO2 + 4 KOH + H2O + 3 CH3COOH
HI(aq) + Cl2(g) = HCl(aq) + I2(s) =>
2 HI(aq) + Cl2(g) = 2 HCl(aq) + I2(s)
Ba(OH)2 + P2O5 = Ba3(PO4)2 + H2O =>
3 Ba(OH)2 + P2O5 = Ba3(PO4)2 + 3 H2O
ZnS + CO2 = ZnO + CS2 =>
2 ZnS + CO2 = 2 ZnO + CS2
C6H12O6 + O2 = CO2 + H2O(classification) =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O(classification)
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