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2 H2S + Hg = Hg(S)2 + 2 H2
H2SiO4 + NaOH = Na2SiO4 + H2O =>
H2SiO4 + 2 NaOH = Na2SiO4 + 2 H2O
Br2 + Na2CO3 + H2O = NaBrO3 + NaBr + NaHCO3 =>
3 Br2 + 6 Na2CO3 + 3 H2O = NaBrO3 + 5 NaBr + 6 NaHCO3
Na2C2O4 + CaCl2 = CaC2O4 + NaCl =>
Na2C2O4 + CaCl2 = CaC2O4 + 2 NaCl
Pb + I = I2Pb =>
Pb + 2 I = I2Pb
NH3 = N2(g) + H2 =>
2 NH3 = N2(g) + 3 H2
CuSO4 + C2H6O = H2SO4 + C2H4OCu =>
CuSO4 + C2H6O = H2SO4 + C2H4OCu
NaCl + Mg(OH)2 = MgCl2 + NaOH =>
2 NaCl + Mg(OH)2 = MgCl2 + 2 NaOH
BCl3 + NaOH = Na2B4O7 + NaCl + H2O =>
4 BCl3 + 14 NaOH = Na2B4O7 + 12 NaCl + 7 H2O
Fe2(SO3)3 + BaCl2 = FeCl3 + Ba2(SO3)2 =>
2 Fe2(SO3)3 + 6 BaCl2 = 4 FeCl3 + 3 Ba2(SO3)2
C3H4O2 + CH4O = C4H5O2 + H2O =>
7 C3H4O2 + 3 CH4O = 6 C4H5O2 + 5 H2O
Ca3P2 + H2O = PH3 + Ca + O2 =>
2 Ca3P2 + 6 H2O = 4 PH3 + 6 Ca + 3 O2
CeCl3 + KClO3 + KOH = CeO2 + KCl + H2O =>
6 CeCl3 + KClO3 + 18 KOH = 6 CeO2 + 19 KCl + 9 H2O
AlCl3 + Na + CO3 = Al2(CO3)3 + NaCl =>
2 AlCl3 + 6 Na + 3 CO3 = Al2(CO3)3 + 6 NaCl
H3PO4 + (NH4)2MoO4 + HNO3 = (NH4)3PO4Mo12O3 + NH4NO3 + H2O =>
4 H3PO4 + 48(NH4)2MoO4 + 18 HNO3 = 4(NH4)3PO4Mo12O3 + 51 NH4NO3 + 81 H2O
Fe2(SO4)3 + NaHSO3 = Na2SO4 + SO2 + Fe(OH)3 =>
Fe2(SO4)3 + 6 NaHSO3 = 3 Na2SO4 + 6 SO2 + 2 Fe(OH)3
NaBr + BaCl2 = NaCl + BaBr2* =>
2 NaBr + BaCl2 = 2 NaCl + BaBr2*
MnO4{-} + S2O6{2-} + H2O = Mn{2+} + SO4{2-} + H{+} =>
2 MnO4{-} + 5 S2O6{2-} + 2 H2O = 2 Mn{2+} + 10 SO4{2-} + 4 H{+}
Al + Cr2MgO7 = Mg + Cr2AlO7 =>
Al + Cr2MgO7 = Mg + Cr2AlO7
C6H10 + H2SO4 = C6H12O + SO3 =>
C6H10 + H2SO4 = C6H12O + SO3
O = O3 =>
3 O = O3
AgN03 + K2Cr04 = Ag2Cr04 + KN03 =>
2 AgN03 + K2Cr04 = Ag2Cr04 + 2 KN03
OCN + OCI = CO3 + N2 + CI =>
2 OCN + 4 OCI = 2 CO3 + N2 + 4 CI
AI(OH)3 + HCl = AICl3 + H2O =>
AI(OH)3 + 3 HCl = AICl3 + 3 H2O
KOHZn(NO3)2 = ZnOHK(NO3)2 =>
KOHZn(NO3)2 = ZnOHK(NO3)2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al + ZnCl2 = Zn + AlCl3 =>
2 Al + 3 ZnCl2 = 3 Zn + 2 AlCl3
H2(SO4) + KIO3 + KI = I2 + K2SO4 + H2O =>
3 H2(SO4) + KIO3 + 5 KI = 3 I2 + 3 K2SO4 + 3 H2O
C90H137O2 + KClO4 = CO + H2O + K2Cl2 =>
16 C90H137O2 + 626 KClO4 = 1440 CO + 1096 H2O + 313 K2Cl2
FeSO4 + Na2SCN = FeSCN + Na2SO4 =>
FeSO4 + Na2SCN = FeSCN + Na2SO4
Na2SO4 + Ca(HCO3)2 = NaOH + CaSO4 + CO2 =>
Na2SO4 + Ca(HCO3)2 = 2 NaOH + CaSO4 + 2 CO2
KI(aq) + Pb(NO3)2(aq) = PbI(s) + K(NO3)2(aq) =>
KI(aq) + Pb(NO3)2(aq) = PbI(s) + K(NO3)2(aq)
Na + SO3 = Na2SO3 =>
2 Na + SO3 = Na2SO3
Al(OH){3} + HCI = AlCI{3} + H2O =>
Al(OH){3} + HCI = AlCI{3} + H2O
FeCl3 + K4[Fe(CN)6] = Fe[Fe(CN)6] + K4 + Cl3 =>
FeCl3 + K4[Fe(CN)6] = Fe[Fe(CN)6] + K4 + Cl3
VO(s) + Fe2O3(s) = V2O5(aq) + FeO(s) =>
2 VO(s) + 3 Fe2O3(s) = V2O5(aq) + 6 FeO(s)
Sn + KOH + H2O = K2[Sn(OH)4] + H2 =>
Sn + 2 KOH + 2 H2O = K2[Sn(OH)4] + H2
ZnSO4 + CsOH = Cs2Zn(OH)4 + Cs2SO4 =>
ZnSO4 + 4 CsOH = Cs2Zn(OH)4 + Cs2SO4
Cs + P4 = Cs12P =>
48 Cs + P4 = 4 Cs12P
V2AlC + O2 = V2C + Al2O3 =>
4 V2AlC + 3 O2 = 4 V2C + 2 Al2O3
Na2SO3 + KMnO4 = Na2SO4 + KMnO =>
3 Na2SO3 + KMnO4 = 3 Na2SO4 + KMnO
Ti2O5 + Cl2 + C2 = TiCl3 + CO2 =>
4 Ti2O5 + 12 Cl2 + 5 C2 = 8 TiCl3 + 10 CO2
HCOOH + H2SO4 = CO2 + H2O + H2S =>
4 HCOOH + H2SO4 = 4 CO2 + 4 H2O + H2S
Fe + CuCl2 = FeCl2 + copper =>
Fe + CuCl2 = FeCl2 + Cu
(MgOH)2SO4 + KOH = Mg(OH)2 + K2SO4 =>
(MgOH)2SO4 + 2 KOH = 2 Mg(OH)2 + K2SO4
NH3 + HOCl = Cl3N + H2O =>
NH3 + 3 HOCl = Cl3N + 3 H2O
Na2SiO3 + H2O + CO2 = Na2CO3 + H4SiO4 =>
Na2SiO3 + 2 H2O + CO2 = Na2CO3 + H4SiO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
LiBr + H2SeO4 + LiMnO4 = Li2SeO4 + MnSeO4 + H2O + Br =>
5 LiBr + 4 H2SeO4 + LiMnO4 = 3 Li2SeO4 + MnSeO4 + 4 H2O + 5 Br
Hg2CO3 = Hg2 + HgO + CO2 =>
2 Hg2CO3 = Hg2 + 2 HgO + 2 CO2
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