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2 C2H2(g) + 5 O2(g) = 4 CO2 + 2 H2O
Rd2SO4 + HCl = RdCl + H2SO4 =>
Rd2SO4 + 2 HCl = 2 RdCl + H2SO4
KOH + Cl2 = KClO3 + KCl + H2O =>
6 KOH + 3 Cl2 = KClO3 + 5 KCl + 3 H2O
HNO2 + HCl = HNCl2 + Cl2 + H2O =>
HNO2 + 4 HCl = HNCl2 + Cl2 + 2 H2O
Si + C = SiC =>
Si + C = SiC
K2MnO4 + HCl + K2SO3 = MnSO4 + H2O + KCl + K2SO4 =>
K2MnO4 + 4 HCl + 2 K2SO3 = MnSO4 + 2 H2O + 4 KCl + K2SO4
HNO3 + (NH4)2CO3 = (NH4)NO3 + CO2 + H2O =>
2 HNO3 + (NH4)2CO3 = 2(NH4)NO3 + CO2 + H2O
C3H8 + I = C3H7I + HI =>
C3H8 + 2 I = C3H7I + HI
CHO + H2OC2H2O = C3H4O3 =>
4 CHO + H2OC2H2O = 2 C3H4O3
Fe + S = FeS4 =>
Fe + 4 S = FeS4
NaCl + Na3PO4 = Na(PO4)2 + Na3Cl =>
5 NaCl + 4 Na3PO4 = 2 Na(PO4)2 + 5 Na3Cl
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
Fe + S = FeS4 =>
Fe + 4 S = FeS4
K2Cr2O7 + NaS2O3 = Na2Cr2O7 + KS2O3 =>
K2Cr2O7 + 2 NaS2O3 = Na2Cr2O7 + 2 KS2O3
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
HCOOH + Na2CO3 = CHCOONa + H2O + CO2 =>
6 HCOOH + Na2CO3 = 2 CHCOONa + 5 H2O + 3 CO2
H2S + KMnO4 = H2O + K2SO4 + KOH + MnO2 =>
3 H2S + 8 KMnO4 = 2 H2O + 3 K2SO4 + 2 KOH + 8 MnO2
AsO4{3-} + S{2-} + H3O{+} = AsO3{3-} + S + H2O =>
AsO4{3-} + S{2-} + 2 H3O{+} = AsO3{3-} + S + 3 H2O
HNO3 + FeS = H2S + Fe(NO3)2 =>
2 HNO3 + FeS = H2S + Fe(NO3)2
Pb(No3)2 + NaCl = NaNo3 + PbCl2 =>
Pb(No3)2 + 2 NaCl = 2 NaNo3 + PbCl2
HCl + NaCl + AgNO3 = AgCl + NaOH + ClNO2 =>
HCl + NaCl + AgNO3 = AgCl + NaOH + ClNO2
CoCl2*6H2O + O2 = ClO4 + Co + H2O =>
CoCl2*6H2O + 4 O2 = 2 ClO4 + Co + 6 H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
ClF + KOH = KOCl + KF + H2O =>
ClF + 2 KOH = KOCl + KF + H2O
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
K2Cr2O7 + Fe(OH)2 + H2SO4 = K2SO4 + Cr2(SO4)3 + Fe(SO4)3 + H2O =>
2 K2Cr2O7 + 3 Fe(OH)2 + 17 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 3 Fe(SO4)3 + 20 H2O
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
CH4 + H2O = H4 + CO =>
2 CH4 + 2 H2O = 3 H4 + 2 CO
KOH + Cl2K = ClO3 + KCl + H2O =>
6 KOH + 7 Cl2K = ClO3 + 13 KCl + 3 H2O
CuSO4 + KJ + H2O = Cu(OH)2 + K2SO4 + H2 + J2 =>
CuSO4 + 2 KJ + 2 H2O = Cu(OH)2 + K2SO4 + H2 + J2
K + P3 = K3P =>
9 K + P3 = 3 K3P
Pb(No3)2 + NaCl = NaNo3 + PbCl2 =>
Pb(No3)2 + 2 NaCl = 2 NaNo3 + PbCl2
H2S + AsCl3 = As2S3 + HCl =>
3 H2S + 2 AsCl3 = As2S3 + 6 HCl
P2 + O2 = P2O5 =>
2 P2 + 5 O2 = 2 P2O5
FeS + HNO3 = Fe(NO3)3 + SO2 + NO2 + H2O =>
FeS + 10 HNO3 = Fe(NO3)3 + SO2 + 7 NO2 + 5 H2O
HNO3 + Cu3 = CuN2O6 + NO2 + H2O =>
12 HNO3 + Cu3 = 3 CuN2O6 + 6 NO2 + 6 H2O
NH4OH + HBr = H2ONH4Br =>
NH4OH + HBr = H2ONH4Br
SO + HNO3 + H2O = H2SO4 + NO =>
3 SO + 4 HNO3 + H2O = 3 H2SO4 + 4 NO
NaCI + AgNo3 = AgCI + NaNo3 =>
NaCI + AgNo3 = AgCI + NaNo3
Li2O + H2O = LiOH = OH{-} =>
Li2O + H2O = 2 LiOH
Na + H5O = Na3O5H5 + H2 =>
3 Na + 5 H5O = Na3O5H5 + 10 H2
WCl6 + C3H8O2 = WO3 + H2 + Cl2 + C =>
2 WCl6 + 3 C3H8O2 = 2 WO3 + 12 H2 + 6 Cl2 + 9 C
La + Au + Pb = La2AuPb5 =>
2 La + Au + 5 Pb = La2AuPb5
PbNO6 = PbO + NO2 + O2 =>
2 PbNO6 = 2 PbO + 2 NO2 + 3 O2
HNO2 + HCl = HNCl2 + Cl2 + H2O =>
HNO2 + 4 HCl = HNCl2 + Cl2 + 2 H2O
NaHCO3 = NaOH*CO2 =>
NaHCO3 = NaOH*CO2
Na2SO3(aq) + HBr(aq) = NaBr(aq) + H2O(l) + SO2(g) =>
Na2SO3(aq) + 2 HBr(aq) = 2 NaBr(aq) + H2O(l) + SO2(g)
FeCl3 + KSCN + NaOH = Fe(OH)3 + KCl + NaSCN =>
FeCl3 + 3 KSCN + 3 NaOH = Fe(OH)3 + 3 KCl + 3 NaSCN
NH3HC2H3O2(aq) = NH4C2H3O2 =>
NH3HC2H3O2(aq) = NH4C2H3O2
(NH4)2(C2O4) + H2O = (NH4)2O + H2(C2O4) =>
(NH4)2(C2O4) + H2O = (NH4)2O + H2(C2O4)
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