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2 Sr(s) + 3 O2(g) + 2 C(s) = 2 SrCO3(s)
Al + FeO = Al2O3 + Fe3 =>
2 Al + 3 FeO = Al2O3 + Fe3
Fe3O4 + HNO3 = Fe(NO3)3 + NO2 + H2O =>
Fe3O4 + 10 HNO3 = 3 Fe(NO3)3 + NO2 + 5 H2O
AgNO3 + N2H6SO4 + NH3 = (NH4)2SO4 + N2H4NO3 + Ag =>
AgNO3 + N2H6SO4 + 2 NH3 = (NH4)2SO4 + N2H4NO3 + Ag
CuS + HNO3 = Cu(NO3)2 + H2SO4 + NO2 + H2O =>
CuS + 10 HNO3 = Cu(NO3)2 + H2SO4 + 8 NO2 + 4 H2O
Cr + HClO3 = Cr(ClO3)2 + H2 =>
Cr + 2 HClO3 = Cr(ClO3)2 + H2
CH2ClCOOH + NH3 = NH2CH2COOH + NH4Cl =>
CH2ClCOOH + 2 NH3 = NH2CH2COOH + NH4Cl
NaAlSi3O8 + H + H2O = Al2Si2O5(OH)4 + Na + H4SiO4 =>
2 NaAlSi3O8 + 2 H + 9 H2O = Al2Si2O5(OH)4 + 2 Na + 4 H4SiO4
PB(NO3)2 = PBO + NO2 + O2 =>
2 PB(NO3)2 = 2 PBO + 4 NO2 + O2
CaCO3 + HCl = CaCl2 + H2O + CO2 =>
CaCO3 + 2 HCl = CaCl2 + H2O + CO2
Ni + H2SO4 + O2 = NiSO4 + H2O =>
2 Ni + 2 H2SO4 + O2 = 2 NiSO4 + 2 H2O
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
O2 + Na2SO3 = Na2SO4 =>
O2 + 2 Na2SO3 = 2 Na2SO4
Zn + Pb(C2H3O2)2 = Pb + Zn(O2CCH3)2 =>
Zn + Pb(C2H3O2)2 = Pb + Zn(O2CCH3)2
H2SO4 + NaHCO3 = Na2SO4 + CO2 + H2O =>
H2SO4 + 2 NaHCO3 = Na2SO4 + 2 CO2 + 2 H2O
Br{-} + BrO3{-} + H{+} = Br2 + H2O =>
5 Br{-} + BrO3{-} + 6 H{+} = 3 Br2 + 3 H2O
Al2(SO4)3(aq) + Ca(OH)2(aq) = Al(OH)3(aq) + (CaSO4)2(s) =>
2 Al2(SO4)3(aq) + 6 Ca(OH)2(aq) = 4 Al(OH)3(aq) + 3(CaSO4)2(s)
Zn + Pb(C2H3O2)2 = Pb + Zn(O2CCH3)2 =>
Zn + Pb(C2H3O2)2 = Pb + Zn(O2CCH3)2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
H2SO4(aq) + Ba(NO3)2(aq) = BaSO4(s) + HNO3(aq) =>
H2SO4(aq) + Ba(NO3)2(aq) = BaSO4(s) + 2 HNO3(aq)
As4 + KNO3 + Na2CO3 = Na3AsO4 + KNO2 + CO2 =>
As4 + 10 KNO3 + 6 Na2CO3 = 4 Na3AsO4 + 10 KNO2 + 6 CO2
HBr + CaO = CaBr + OH =>
HBr + CaO = CaBr + OH
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
K(ClO3) = K(Cl) + O2 =>
2 K(ClO3) = 2 K(Cl) + 3 O2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Ag2C2O4 + Al = Al2(C2O4)3 + Ag =>
3 Ag2C2O4 + 2 Al = Al2(C2O4)3 + 6 Ag
Cu + NaOH = CuO + Na + H2 =>
2 Cu + 2 NaOH = 2 CuO + 2 Na + H2
H[SbCl4] + NaOH = Sb(OH)3 + NaCl + H2O =>
H[SbCl4] + 4 NaOH = Sb(OH)3 + 4 NaCl + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al(s) + Fe2O3(s) = Fe(s) + Al2O3(s) =>
2 Al(s) + Fe2O3(s) = 2 Fe(s) + Al2O3(s)
C3H7OH + NaOH = C3H7ONa + H2O =>
C3H7OH + NaOH = C3H7ONa + H2O
KClO3 + Pb(NO3)2 = KNO3 + Pb(ClO3)2 =>
2 KClO3 + Pb(NO3)2 = 2 KNO3 + Pb(ClO3)2
BaCO3 + La2O3 = BaLa2O4 + CO2 =>
BaCO3 + La2O3 = BaLa2O4 + CO2
CaSO4 + AlBr3 = CaBr2 + Al2(SO4)3 =>
3 CaSO4 + 2 AlBr3 = 3 CaBr2 + Al2(SO4)3
CuFeS2 + HCl = H2S + FeCl2 + Cu + S =>
CuFeS2 + 2 HCl = H2S + FeCl2 + Cu + S
HMnO7 + KOH = KMnO7 + H2O =>
HMnO7 + KOH = KMnO7 + H2O
Na2S + Ca(NO3)2 = Na2SCa(NO3)2 =>
Na2S + Ca(NO3)2 = Na2SCa(NO3)2
Zn(s) + H2SO4 + H2O = ZnSO4*7H2O + H2(g) =>
Zn(s) + H2SO4 + 7 H2O = ZnSO4*7H2O + H2(g)
CU{2+} + H2PO2{-} + OH{-} = CUH2 + PO4{3-} + H2O =>
CU{2+} + H2PO2{-} + 4 OH{-} = CUH2 + PO4{3-} + 2 H2O
NaH + O2 = Na2O + H2O =>
2 NaH + O2 = Na2O + H2O
Pb(NO3)2 + KI = KNO3 + PbI2 =>
Pb(NO3)2 + 2 KI = 2 KNO3 + PbI2
Fe(NO3)2 + K4Fe(CN)6 = Fe4[Fe(CN)6]2 + KNO3 =>
4 Fe(NO3)2 + 2 K4Fe(CN)6 = Fe4[Fe(CN)6]2 + 8 KNO3
B2O3 + HBr = BBr3 + H2O =>
B2O3 + 6 HBr = 2 BBr3 + 3 H2O
(NH4)2CO3 = (NH3) + CO2 + H2O =>
(NH4)2CO3 = 2(NH3) + CO2 + H2O
Fe(OH)3 + KSCN = Fe(SCN) + K + OH =>
Fe(OH)3 + KSCN = Fe(SCN) + K + 3 OH
Cu + AgF = Ag + CuF2 =>
Cu + 2 AgF = 2 Ag + CuF2
HCl + Hf = HfCl4 + H2 =>
4 HCl + Hf = HfCl4 + 2 H2
Al2(CO3)3 + H2O = Al(OH)3 + CO2 =>
Al2(CO3)3 + 3 H2O = 2 Al(OH)3 + 3 CO2
HBr + Ca(OH)2 = CaBr2(s) + H2O(l) =>
2 HBr + Ca(OH)2 = CaBr2(s) + 2 H2O(l)
HF + P2O5 = HPF6 + H2O =>
12 HF + P2O5 = 2 HPF6 + 5 H2O
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