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3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
H3PO4 + (NH4)2CO3 = H2CO3 + (NH4)3PO4 =>
2 H3PO4 + 3(NH4)2CO3 = 3 H2CO3 + 2(NH4)3PO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
(NH4)2SO3 + H3PO4 = (NH4)3PO4 + H2SO3 =>
3(NH4)2SO3 + 2 H3PO4 = 2(NH4)3PO4 + 3 H2SO3
SO2 + O2 + H2O = H2SO4 =>
2 SO2 + O2 + 2 H2O = 2 H2SO4
K2HPO4 + HCl{-} = KH2PO4 + KCl{-} =>
K2HPO4 + HCl{-} = KH2PO4 + KCl{-}
P4 + CuSO4 + H2O = Cu3P + H3PO4 + H2SO4 =>
11 P4 + 60 CuSO4 + 96 H2O = 20 Cu3P + 24 H3PO4 + 60 H2SO4
As2O3 + H2O = As(OH)3 =>
As2O3 + 3 H2O = 2 As(OH)3
CH3CHO + Ca(OH)2 = CH3COOH + Ca2O + H2O =>
CH3CHO + 2 Ca(OH)2 = CH3COOH + Ca2O + 2 H2O
Na2(SO4) + BaCl2 = BaSO4 + NaCl =>
Na2(SO4) + BaCl2 = BaSO4 + 2 NaCl
HNO3 + Be2 = Be(NO3)2 + H2 =>
4 HNO3 + Be2 = 2 Be(NO3)2 + 2 H2
C2H8N2 + N2O4N2 = N2 + CO2 + H2O =>
C2H8N2 + 2 N2O4N2 = 5 N2 + 2 CO2 + 4 H2O
Pb + CH3COOH = Pb(CH3COO)2Pb + H2 =>
2 Pb + 2 CH3COOH = Pb(CH3COO)2Pb + H2
CuO + FeS = Cu2S + SO2 + FeO =>
6 CuO + 4 FeS = 3 Cu2S + SO2 + 4 FeO
Ni(SCN)2 + PPh3 = Ni(PPh3)2(SCN)2 =>
Ni(SCN)2 + 2 PPh3 = Ni(PPh3)2(SCN)2
C2Na2 + H2 = C4H6 + Na =>
2 C2Na2 + 3 H2 = C4H6 + 4 Na
Ag + Ni{2+} = Ag2{+} + Ni =>
4 Ag + Ni{2+} = 2 Ag2{+} + Ni
C14H8O2 + Na2S2O4 + NaOH = C14H10O + Na2SO3 + H2O =>
C14H8O2 + 2 Na2S2O4 + 4 NaOH = C14H10O + 4 Na2SO3 + H2O
Ag{+} + Cu{+} = Cu{+2} + Ag{-2} =>
Ag{+} + 3 Cu{+} = 3 Cu{+2} + Ag{-2}
H2S + SO4 = S + H2O =>
4 H2S + SO4 = 5 S + 4 H2O
H2SO4(aq) + Ca(OH)2(s) = Ca2(SO4)2 + H2O =>
2 H2SO4(aq) + 2 Ca(OH)2(s) = Ca2(SO4)2 + 4 H2O
Pb + Au3{+} = Pb2{+} + Au =>
2 Pb + Au3{+} = Pb2{+} + 3 Au
NH4Br + Pb(C2H3O2)2 = NH4(C2H3O2) + PbBr2 =>
2 NH4Br + Pb(C2H3O2)2 = 2 NH4(C2H3O2) + PbBr2
Al + COSO4 = Al(SO4) + CO =>
Al + COSO4 = Al(SO4) + CO
Zm(s) + CuSO4 = ZmSO4 + Cu(s) =>
Zm(s) + CuSO4 = ZmSO4 + Cu(s)
C10H20 + O2 = O2H20 + C =>
C10H20 + O2 = O2H20 + 10 C
AlN + Sn(II)Cl = Sn(II)N + AlCl =>
AlN + Sn(II)Cl = Sn(II)N + AlCl
Zm(s) + CuSO4 = ZmSO4 + Cu(s) =>
Zm(s) + CuSO4 = ZmSO4 + Cu(s)
C4H10(s) + O2(g) = CO2(g) + H2O(l) =>
2 C4H10(s) + 13 O2(g) = 8 CO2(g) + 10 H2O(l)
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Cl2(g) + O2(g) = Cl2O7 =>
2 Cl2(g) + 7 O2(g) = 2 Cl2O7
SrO + Fe2O3 = SrFe12O19 =>
SrO + 6 Fe2O3 = SrFe12O19
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
Hg2(NO3)2(aq) + HBr(aq) = Hg2Br2(s) + HNO3(aq) =>
Hg2(NO3)2(aq) + 2 HBr(aq) = Hg2Br2(s) + 2 HNO3(aq)
HOOCCOOH + H2O = HOOCCOO + H3O =>
HOOCCOOH + H2O = HOOCCOO + H3O
C3H6 + Cl2 = C3H5Cl2 + H2 =>
2 C3H6 + 2 Cl2 = 2 C3H5Cl2 + H2
CaCl2 + H2 = Ca + HCl =>
CaCl2 + H2 = Ca + 2 HCl
Cu + HNO3 = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
C4H6O6 + O2 = CO2 + H2O =>
2 C4H6O6 + 5 O2 = 8 CO2 + 6 H2O
SO3 + Fe(OH)3 = Fe2(SO4)3 + H2O =>
3 SO3 + 2 Fe(OH)3 = Fe2(SO4)3 + 3 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Al + NH3 = Al(NH2)2 + H2 =>
Al + 2 NH3 = Al(NH2)2 + H2
(COOH)2 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5(COOH)2 + 2 KMnO4 + 3 H2SO4 = 10 CO2 + 2 MnSO4 + K2SO4 + 8 H2O
NH4I + AgNO3 = INO3 + AgNH4 =>
NH4I + AgNO3 = INO3 + AgNH4
FeS + NaOH = Na2SFe(OH)2 =>
FeS + 2 NaOH = Na2SFe(OH)2
Fe(OH)3 = (Fe)2(O)3 + (H)2O =>
2 Fe(OH)3 = (Fe)2(O)3 + 3(H)2O
Sn(s) + Pb(NO3)2(aq) = Sn2NO3 + Pb =>
4 Sn(s) + Pb(NO3)2(aq) = 2 Sn2NO3 + Pb
PCl5(s) + H2O(l) = POCl3(g) + HCl(g) =>
PCl5(s) + H2O(l) = POCl3(g) + 2 HCl(g)
Pb(NO3)3 + Zn = Zn(NO3)3 + Pb =>
Pb(NO3)3 + Zn = Zn(NO3)3 + Pb
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