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H2S + Na2SO4 = Na2S + H2SO4
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Ba(NO3)2 + K2C2O4 = BaC2O4 + KNO3 =>
Ba(NO3)2 + K2C2O4 = BaC2O4 + 2 KNO3
Cu{+} + PbO2 + HSO4{-} + H{+} = PbSO4 + Cu{2+} + H2O =>
2 Cu{+} + PbO2 + HSO4{-} + 3 H{+} = PbSO4 + 2 Cu{2+} + 2 H2O
SnSO4 + K2Cr2O7 + H2(SO4) = Sn(SO4)2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 SnSO4 + K2Cr2O7 + 7 H2(SO4) = 3 Sn(SO4)2 + K2SO4 + Cr2(SO4)3 + 7 H2O
Na2SO4 + BaOH = NaOH + Ba2SO4 =>
Na2SO4 + 2 BaOH = 2 NaOH + Ba2SO4
NaBr + H2SO4 = Br2 + SO2 + H2O + NaHSO4 =>
2 NaBr + 3 H2SO4 = Br2 + SO2 + 2 H2O + 2 NaHSO4
(NH4)2Cr2O7 = N2 + Cr(OH)3 + H2O =>
(NH4)2Cr2O7 = N2 + 2 Cr(OH)3 + H2O
Na2S(aq) + Zn(NO3)2(aq) = NaNO3(aq) + ZnS(s) =>
Na2S(aq) + Zn(NO3)2(aq) = 2 NaNO3(aq) + ZnS(s)
SnCl2 + HgCl2 + HCl = Hg + H2(SnCl6) =>
SnCl2 + HgCl2 + 2 HCl = Hg + H2(SnCl6)
Sn + HgN = N + HgSn =>
Sn + HgN = N + HgSn
HgS + Na2S = Na2(HgS2) =>
HgS + Na2S = Na2(HgS2)
Cu + HONO2 = Cu(NO3)2 + N2O4 + H2O =>
Cu + 4 HONO2 = Cu(NO3)2 + N2O4 + 2 H2O
C2H6O + K2Cr2O7 + H2SO4 = C2H4O + K2SO4 + Cr2O3 + H2O =>
3 C2H6O + K2Cr2O7 + H2SO4 = 3 C2H4O + K2SO4 + Cr2O3 + 4 H2O
C6H5COOH + NaHCO3 = C6H5COONa + H2O + CO3 =>
21 C6H5COOH + 22 NaHCO3 = 22 C6H5COONa + 19 H2O + 15 CO3
Zn2(SO4)2 + Al = Zn3Al2 + SO4 =>
3 Zn2(SO4)2 + 4 Al = 2 Zn3Al2 + 6 SO4
Co3P2 + Ca3(PO4)2 = Co3(PO4)2 + Ca3P2 =>
Co3P2 + Ca3(PO4)2 = Co3(PO4)2 + Ca3P2
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
Na2SO4(aq) + CaCl2(s) = CaSO4(aq) + NaCl(s) =>
Na2SO4(aq) + CaCl2(s) = CaSO4(aq) + 2 NaCl(s)
Hg2Cl2 + NH3 = NH2Hg2Cl + NH4Cl =>
Hg2Cl2 + 2 NH3 = NH2Hg2Cl + NH4Cl
NaCl + Mn(NO3)3 = MnCl3 + NaNO3 =>
3 NaCl + Mn(NO3)3 = MnCl3 + 3 NaNO3
La2(CO3)3 + HNO3 = La(NO3)3 + H2O + CO2 =>
La2(CO3)3 + 6 HNO3 = 2 La(NO3)3 + 3 H2O + 3 CO2
Au(OH) + H2CrO4 = Au2(CrO4) + H2O =>
2 Au(OH) + H2CrO4 = Au2(CrO4) + 2 H2O
K4[Fe(CN)6] + H3PO4 = HCN + K3PO4 + Fe3(PO4)2 =>
3 K4[Fe(CN)6] + 6 H3PO4 = 18 HCN + 4 K3PO4 + Fe3(PO4)2
(NH4)2 + (CO3) = (NH3) + H2O + CO2 =>
(NH4)2 + (CO3) = 2(NH3) + H2O + CO2
Ca(NO3)2*4H2O + (NH4)2HPO4 + NH4OH = Ca10(PO4)6 + NH4NO3 + H2O =>
40 Ca(NO3)2*4H2O + 24(NH4)2HPO4 + 34 NH4OH = 4 Ca10(PO4)6 + 81 NH4NO3 + 191 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Mg2 + O2 + Br2 = MgO2Br2 =>
Mg2 + 2 O2 + 2 Br2 = 2 MgO2Br2
KOH + HBr = H2KBrO =>
KOH + HBr = H2KBrO
C5H5NH + H2O = C5H5NH2 + OH =>
C5H5NH + H2O = C5H5NH2 + OH
GaBr3 + Na2SO3 = Ga2(SO3)3 + NaBr =>
2 GaBr3 + 3 Na2SO3 = Ga2(SO3)3 + 6 NaBr
Au2Cl6 = AuCl + Cl =>
Au2Cl6 = 2 AuCl + 4 Cl
KOH + (NH4)2SO4 = K2SO4 + NH4OH =>
2 KOH + (NH4)2SO4 = K2SO4 + 2 NH4OH
KI(s) + H2SO4(l) = KHSO4(s) + HI(g) =>
KI(s) + H2SO4(l) = KHSO4(s) + HI(g)
Cu + MgCl2 = CuCl2 + Mg =>
Cu + MgCl2 = CuCl2 + Mg
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
NaHS + Cu(OH)2 = NaOH + CuS + H2O =>
NaHS + Cu(OH)2 = NaOH + CuS + H2O
(NH4)3PO4(aq) + CrBr3(aq) = NH4Br(aq) + CrPO4(s) =>
(NH4)3PO4(aq) + CrBr3(aq) = 3 NH4Br(aq) + CrPO4(s)
Fe(ClO4)3 + C = Fe(ClO3)3 + CO2 =>
2 Fe(ClO4)3 + 3 C = 2 Fe(ClO3)3 + 3 CO2
Al2(SO4)3 + Fe(OH)3 = Al(OH)3 + Fe2(SO4)3 =>
Al2(SO4)3 + 2 Fe(OH)3 = 2 Al(OH)3 + Fe2(SO4)3
Cr + Pb(NO3)2 = Cr(NO3)3 + Pb =>
2 Cr + 3 Pb(NO3)2 = 2 Cr(NO3)3 + 3 Pb
C3H7COOH + Na2CO3 = C3H7COONa + CO2 + H2O =>
2 C3H7COOH + Na2CO3 = 2 C3H7COONa + CO2 + H2O
HClO3 + NiO = Ni(ClO3)2 + H2O =>
2 HClO3 + NiO = Ni(ClO3)2 + H2O
Sn(CO3)2 + H2SO3 = CO2 + H2O + Sn(SO3)2 =>
Sn(CO3)2 + 2 H2SO3 = 2 CO2 + 2 H2O + Sn(SO3)2
MgBr2 + Na2CO3 = Na2Br2 + MgCO3 =>
MgBr2 + Na2CO3 = Na2Br2 + MgCO3
NaHCO3 + HCl = NaCl + CO2 + H2O =>
NaHCO3 + HCl = NaCl + CO2 + H2O
CrO3 + Fe(OH)2 = Cr2O3 + Fe2O3 + H2O =>
2 CrO3 + 6 Fe(OH)2 = Cr2O3 + 3 Fe2O3 + 6 H2O
NH4{+} + NO3{-} = NH4NO3 =>
NH4{+} + NO3{-} = NH4NO3
(CH4)25 + O2 = CO2 + H2O =>
(CH4)25 + 50 O2 = 25 CO2 + 50 H2O
Ca + HNO3 = Ca(NO3)2 + H2O + N2O =>
4 Ca + 10 HNO3 = 4 Ca(NO3)2 + 5 H2O + N2O
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