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C2H4 + 3 O2 = 2 CO2 + 2 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Ca + Br2 = CaBr2 =>
Ca + Br2 = CaBr2
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
S2 + Br = SBr2 =>
S2 + 4 Br = 2 SBr2
Mn{2+} + (NH4)2S = MnS + NH4{+} =>
Mn{2+} + (NH4)2S = MnS + 2 NH4{+}
Mg3(PO4)2 + Pb(SO4)2 = MgSO4 + Pb3(PO4)4 =>
2 Mg3(PO4)2 + 3 Pb(SO4)2 = 6 MgSO4 + Pb3(PO4)4
NaH + H2O = NaOH + H2 =>
NaH + H2O = NaOH + H2
Co{+2} + NaOH = Co(OH)2 + Na{+} =>
Co{+2} + 2 NaOH = Co(OH)2 + 2 Na{+}
AgCl + H2 = AgH2 + Cl2 =>
2 AgCl + 2 H2 = 2 AgH2 + Cl2
Ca(OH)2 + HNO3 = H2O + Ca(NO3)2 =>
Ca(OH)2 + 2 HNO3 = 2 H2O + Ca(NO3)2
Cr(OH)3 + H2O2 + KOH = K2Cr2O7 + H2O =>
2 Cr(OH)3 + 3 H2O2 + 2 KOH = K2Cr2O7 + 7 H2O
MnCO3 + KClO3 = MnO2 + KCl + CO21 =>
3 MnCO3 + 20 KClO3 = 3 MnO2 + 20 KCl + 3 CO21
CO + KOH = HCOOK =>
CO + KOH = HCOOK
HMnO4 + H2S = H2SO4 + MnO2 + H2O =>
8 HMnO4 + 3 H2S = 3 H2SO4 + 8 MnO2 + 4 H2O
BeCO3 + H2SO3 = BeSO3 + H2CO3 =>
BeCO3 + H2SO3 = BeSO3 + H2CO3
Fe2O3 + CuNO3 = Cu2O + Fe(NO3)3 =>
Fe2O3 + 6 CuNO3 = 3 Cu2O + 2 Fe(NO3)3
Fe + H2CO3 = Fe3O4 + H2C =>
9 Fe + 4 H2CO3 = 3 Fe3O4 + 4 H2C
Al2O3 + P2O3 = Al2P2O6 =>
Al2O3 + P2O3 = Al2P2O6
Cu(s) + Ag(NO3)2 = Cu(NO3)2(aq) + Ag(aq) =>
Cu(s) + Ag(NO3)2 = Cu(NO3)2(aq) + Ag(aq)
Ca(NO3)2 + Na2SiO3 = NaNO3 + CaSiO3 =>
Ca(NO3)2 + Na2SiO3 = 2 NaNO3 + CaSiO3
H2S + HNO3 = SO2 + NO + H2O =>
H2S + 2 HNO3 = SO2 + 2 NO + 2 H2O
Mg + Cr2(SO4)3 = MgSO4 + CrSO4 =>
Mg + Cr2(SO4)3 = MgSO4 + 2 CrSO4
CHMgBr + H2O = CH2 + Mg(OH)Br =>
CHMgBr + H2O = CH2 + Mg(OH)Br
Cs + N = Cs3N =>
3 Cs + N = Cs3N
Na[Al(OH)4(H2O)2] = NaOH + Al(OH)3 + H2O =>
Na[Al(OH)4(H2O)2] = NaOH + Al(OH)3 + 2 H2O
NH3(g) + O2(g) = H2O(e) + N2(g) =>
4 NH3(g) + 3 O2(g) = 6 H2O(e) + 2 N2(g)
KOH + Al(OH)3 = K[Al(OH)4] =>
KOH + Al(OH)3 = K[Al(OH)4]
Pb(NO3)2 + Na2(SO4) = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2(SO4) = PbSO4 + 2 NaNO3
Cu(OH)2 + KI = CuI + I2 + KOH =>
2 Cu(OH)2 + 4 KI = 2 CuI + I2 + 4 KOH
H3C3OF + SiNGaSS = SiH3NC3GaOS2F =>
H3C3OF + SiNGaSS = SiH3NC3GaOS2F
CaCl2(aq) + Na(s) = Ca(s) + NaCl(aq) =>
CaCl2(aq) + 2 Na(s) = Ca(s) + 2 NaCl(aq)
CN{-} + IO3{-} = I{-} + CNO{-} =>
3 CN{-} + IO3{-} = I{-} + 3 CNO{-}
Ti3C2 + O2 = TiO2 + C =>
Ti3C2 + 3 O2 = 3 TiO2 + 2 C
HBe = H2 + Be =>
2 HBe = H2 + 2 Be
B + O2 = BO2 =>
B + O2 = BO2
Mg(NO3)2 + H3(PO4) = Mg3(PO4)2 + HNO3 =>
3 Mg(NO3)2 + 2 H3(PO4) = Mg3(PO4)2 + 6 HNO3
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
AlCl3 + Ag2(SO4) = Al2(SO4)3 + AgCl =>
2 AlCl3 + 3 Ag2(SO4) = Al2(SO4)3 + 6 AgCl
CH3COOH + SO4 = H2S + CO2 + OH =>
CH3COOH + SO4 = H2S + 2 CO2 + 2 OH
[N][H4][N][O3] = [N2][O] + [H2][O] =>
[N][H4][N][O3] = [N2][O] + 2[H2][O]
Cr + NO + K + PO4 = K4NOCrPO4 =>
Cr + NO + 4 K + PO4 = K4NOCrPO4
FeSO4 + BaO = BaSO4 + FeO =>
FeSO4 + BaO = BaSO4 + FeO
Pb2Bi2S5 + O2 = PbO + BiO3 + SO2 =>
Pb2Bi2S5 + 9 O2 = 2 PbO + 2 BiO3 + 5 SO2
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
K3PO4 + HI = KI + H3PO4 =>
K3PO4 + 3 HI = 3 KI + H3PO4
BeO + O3 = BeO3 =>
3 BeO + 2 O3 = 3 BeO3
K3[Cr(OH)6] = KCrO2 + KOH + H2O =>
K3[Cr(OH)6] = KCrO2 + 2 KOH + 2 H2O
HNO3 + NaI + AgNO3 = AgH + NaNO3 + I2 =>
HNO3 + 2 NaI + AgNO3 = AgH + 2 NaNO3 + I2
Zn() + CuSO4() = ZnSO4() + Cu =>
Zn() + CuSO4() = ZnSO4() + Cu
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