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2 Ca(s) + 2 C(g) + 3 O2(g) = 2 CaCO3
Al0 + H2SO4 = Al2(SO4)3 + H2 =>
2 Al0 + 3 H2SO4 = Al2(SO4)3 + 3 H2
CoCl2 + K3[Fe(CN)6] = Co3[Fe(CN)6]2 + KCl =>
3 CoCl2 + 2 K3[Fe(CN)6] = Co3[Fe(CN)6]2 + 6 KCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Mg + NiCl2 = MgCl2 + Ni =>
Mg + NiCl2 = MgCl2 + Ni
K2Cr2O7 + H2C2O4*3H2O = K[Cr(H2O)2(C2O4)2] + H2O + CO2 =>
K2Cr2O7 + 7 H2C2O4*3H2O = 2 K[Cr(H2O)2(C2O4)2] + 24 H2O + 6 CO2
Ca3N2 = Ca + N2 =>
Ca3N2 = 3 Ca + N2
BrO + CO2 = BrCO3 =>
BrO + CO2 = BrCO3
KMnO4 + MnSO4 + H2O = MnO2 + H2SO4 + K2SO4 =>
2 KMnO4 + 3 MnSO4 + 2 H2O = 5 MnO2 + 2 H2SO4 + K2SO4
K + Ca(C2H3O2)2 = KC2H3O2 + Ca =>
2 K + Ca(C2H3O2)2 = 2 KC2H3O2 + Ca
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Ca + Fe2O3 = Fe + CaO =>
3 Ca + Fe2O3 = 2 Fe + 3 CaO
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
CuClO3 + Ba = Ba(ClO3)2 + Cu =>
2 CuClO3 + Ba = Ba(ClO3)2 + 2 Cu
Au + SnCl2 = AuCl + Sn =>
2 Au + SnCl2 = 2 AuCl + Sn
NH4Cl + CuO = N2 + HCl + Cu + H2O =>
2 NH4Cl + 3 CuO = N2 + 2 HCl + 3 Cu + 3 H2O
HgCl + NaOH = HgOH + NaCl =>
HgCl + NaOH = HgOH + NaCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C2H2S + O2 = CO2 + H2O + SO2 =>
2 C2H2S + 7 O2 = 4 CO2 + 2 H2O + 2 SO2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
KMnO4 + C5H8O2 = Mn(C5H7O2)3 + KOH + H2O + O2 =>
KMnO4 + 3 C5H8O2 = Mn(C5H7O2)3 + KOH + H2O + O2
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
HClO4 + K2CO3 = H2CO3 + KClO4 =>
2 HClO4 + K2CO3 = H2CO3 + 2 KClO4
Ca(OH2) = CaO + H2 =>
Ca(OH2) = CaO + H2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
CuS + HNO3 = Cu(NO3)2 + H2SO4 + NO2 + H2O =>
CuS + 10 HNO3 = Cu(NO3)2 + H2SO4 + 8 NO2 + 4 H2O
(NH4)2S + NiBr2 = (NH4)2Br2 + NiS =>
(NH4)2S + NiBr2 = (NH4)2Br2 + NiS
AlBr3 + K2S = KBr + Al2S3 =>
2 AlBr3 + 3 K2S = 6 KBr + Al2S3
Pu(NO3)3 + H2C2O4 + H2O = Pu(C2O4)3*10H2O + NO2 =>
Pu(NO3)3 + 3 H2C2O4 + 7 H2O = Pu(C2O4)3*10H2O + 3 NO2
H3PO3 + NO3{-} = N2O4 + PO4{-3} + H{+} + H2O =>
H3PO3 + 2 NO3{-} = N2O4 + PO4{-3} + H{+} + H2O
In2(SO4)3 + NH4Br = (NH4)2SO4 + InBr3 =>
In2(SO4)3 + 6 NH4Br = 3(NH4)2SO4 + 2 InBr3
Be2 + KOH = KBe + KBeO + H2O =>
Be2 + 2 KOH = KBe + KBeO + H2O
KOH + H3PO1 = K3PO1 + H2O =>
3 KOH + H3PO1 = K3PO1 + 3 H2O
CsCl + O2 = Cs2O + Cl2 =>
4 CsCl + O2 = 2 Cs2O + 2 Cl2
K2O + HClO = KClO + H2O =>
K2O + 2 HClO = 2 KClO + H2O
Br2(s) + NaI(aq) = NaBr(aq) + I2(aq) =>
Br2(s) + 2 NaI(aq) = 2 NaBr(aq) + I2(aq)
H2SO4 + Cr(OH)3 = H2O + Cr2(SO4)3 =>
3 H2SO4 + 2 Cr(OH)3 = 6 H2O + Cr2(SO4)3
[Co(H2O)6]Cl2 + NH3 + NH4Cl + NaNO2 = [Co(NH3)4(NO2)2]Cl + NaCl + H2O =>
6[Co(H2O)6]Cl2 + 16 NH3 + 7 NH4Cl + 13 NaNO2 = 6[Co(NH3)4(NO2)2]Cl + 13 NaCl + 38 H2O
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
(NH4)4P2O7 = NH3 + H2O + P2O5 =>
(NH4)4P2O7 = 4 NH3 + 2 H2O + P2O5
CuBr2(aq) + NH4OH(aq) = Cu(OH)2 + NH4Br =>
CuBr2(aq) + 2 NH4OH(aq) = Cu(OH)2 + 2 NH4Br
Co(H2O)6 = Co + H2O =>
Co(H2O)6 = Co + 6 H2O
Ag + NaCl + H2O = AgCl + H2 + NaOH =>
2 Ag + 2 NaCl + 2 H2O = 2 AgCl + H2 + 2 NaOH
H2SO4 + N2H4 = H6N2SO4 =>
H2SO4 + N2H4 = H6N2SO4
Zn + Fe3Cl = ZnCl2 + Fe =>
Zn + 2 Fe3Cl = ZnCl2 + 6 Fe
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NaOH + BF3 = NaF + B(OH)3 =>
3 NaOH + BF3 = 3 NaF + B(OH)3
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