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CH4 + O2 = 4 H + CO2
KSCN + Zn + H2SO4 = H2S + HCN + ZnSO4 + K2S =>
2 KSCN + 2 Zn + 2 H2SO4 = H2S + 2 HCN + 2 ZnSO4 + K2S
NaOH + AgCl4 = Ag + H2O + NaCl + O2 =>
4 NaOH + AgCl4 = Ag + 2 H2O + 4 NaCl + O2
H2CO3 + NaClO = Na2CO3 + HClO =>
H2CO3 + 2 NaClO = Na2CO3 + 2 HClO
AgNO3 + NaCl = NaNO3 + AgCl =>
AgNO3 + NaCl = NaNO3 + AgCl
Al + C2 = Al4C3 =>
8 Al + 3 C2 = 2 Al4C3
C2H7N + O2 = CO2 + H2O + NO =>
4 C2H7N + 17 O2 = 8 CO2 + 14 H2O + 4 NO
H2 + O2 = H2O = =>
2 H2 + O2 = 2 H2O
HCl(aq) + AgNO3 = AgH + Cl(NO3) =>
HCl(aq) + AgNO3 = AgH + Cl(NO3)
H2(g) + P4(g) = PH3(g) =>
6 H2(g) + P4(g) = 4 PH3(g)
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
CH5N + O2 = CO + H2O + NO =>
4 CH5N + 9 O2 = 4 CO + 10 H2O + 4 NO
CH5N + O2 = CO2 + H2O + N2 =>
4 CH5N + 9 O2 = 4 CO2 + 10 H2O + 2 N2
Pb(NO3)2 + NaI = Pb(NO3)2NaI =>
Pb(NO3)2 + NaI = Pb(NO3)2NaI
Mg(s) + N2(g) = Mg3N2(s) =>
3 Mg(s) + N2(g) = Mg3N2(s)
Na2(SO4) + H2O = Na(OH) + H2(SO4) =>
Na2(SO4) + 2 H2O = 2 Na(OH) + H2(SO4)
AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
(NH4)2SO4H2SO4 = NH4HSO4 =>
(NH4)2SO4H2SO4 = 2 NH4HSO4
CH3CH(OH)COOH + H2O = H3O + CH3CH(OH)COO =>
CH3CH(OH)COOH + H2O = H3O + CH3CH(OH)COO
No = No2 =>
2 No = No2
Cr(MnO4)3 + Cl2 = CrCl3 + MnO4 =>
2 Cr(MnO4)3 + 3 Cl2 = 2 CrCl3 + 6 MnO4
KSCN + Zn + H2SO4 = H2S + HCN + ZnSO4 + K2S =>
2 KSCN + 2 Zn + 2 H2SO4 = H2S + 2 HCN + 2 ZnSO4 + K2S
No = No2 =>
2 No = No2
Cr(MnO4)3 + Cl2 = CrCl3 + MnO4 =>
2 Cr(MnO4)3 + 3 Cl2 = 2 CrCl3 + 6 MnO4
KSCN + Zn + H2SO4 = H2S + HCN + ZnSO4 + K2S =>
2 KSCN + 2 Zn + 2 H2SO4 = H2S + 2 HCN + 2 ZnSO4 + K2S
FeCl2(aq) + KMnO4(aq) + HCl = FeCl3(aq) + MnCl2(s) + H2O(l) + KCl(aq) =>
5 FeCl2(aq) + KMnO4(aq) + 8 HCl = 5 FeCl3(aq) + MnCl2(s) + 4 H2O(l) + KCl(aq)
H3PO4 = P2O5 + H2O =>
2 H3PO4 = P2O5 + 3 H2O
Ca(H2PO4)2 + NH4OH = NH4H2PO4 + CaHPO4 + H2O =>
Ca(H2PO4)2 + NH4OH = NH4H2PO4 + CaHPO4 + H2O
AgNO3(aq) + Cu(aq) = Cu(NO3)2(aq) + Ag(s) =>
2 AgNO3(aq) + Cu(aq) = Cu(NO3)2(aq) + 2 Ag(s)
FeSO4 + Cu = CuSO4 + Fe =>
FeSO4 + Cu = CuSO4 + Fe
SiO2 + H2 = Si + H2O =>
SiO2 + 2 H2 = Si + 2 H2O
Hg(NO3)2 + Fe = Fe(NO3)2 + Hg =>
Hg(NO3)2 + Fe = Fe(NO3)2 + Hg
NH4OH + CH3COOH = CH3CONH2 + H2O =>
NH4OH + CH3COOH = CH3CONH2 + 2 H2O
C2H6 + Cl2 = C2H5ClHCl =>
C2H6 + Cl2 = C2H5ClHCl
C2H5OH + CH3CH2COOH = H2O + CH3CH2COOC2H5 =>
C2H5OH + CH3CH2COOH = H2O + CH3CH2COOC2H5
FeSO4 + NaClO3 + NaOH = NaFeO4 + NaCl + Na2SO4 + H2O =>
6 FeSO4 + 5 NaClO3 + 18 NaOH = 6 NaFeO4 + 5 NaCl + 6 Na2SO4 + 9 H2O
C19H14O5S + O2 = CO2 + H2O + SO2 =>
C19H14O5S + 21 O2 = 19 CO2 + 7 H2O + SO2
C2H7N + O2 = CO2 + H2O + NO2 =>
4 C2H7N + 19 O2 = 8 CO2 + 14 H2O + 4 NO2
Pb3O4 + HNO3 = Pb2NO3 + PbO4 + H2 =>
2 Pb3O4 + 2 HNO3 = 2 Pb2NO3 + 2 PbO4 + H2
Zn(NO3)2 + NaSCN = Zn(SCN)2 + NaNO3 =>
Zn(NO3)2 + 2 NaSCN = Zn(SCN)2 + 2 NaNO3
NaVO3 + Zn + HCl = NaCl + ZnCl2 + VCl2 + H2O =>
2 NaVO3 + 3 Zn + 12 HCl = 2 NaCl + 3 ZnCl2 + 2 VCl2 + 6 H2O
H2S(aq) + NiSO4(aq) = H2SO4(s) + NiS(aq) =>
H2S(aq) + NiSO4(aq) = H2SO4(s) + NiS(aq)
Pb(NO3)2 + NaI = PbI2 + Na(NO3) =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 Na(NO3)
B + N = BN2 =>
B + 2 N = BN2
KOH + C6H10O4 = K2C6H8O4 + H2O =>
2 KOH + C6H10O4 = K2C6H8O4 + 2 H2O
AgNO3 + NaCl = NaNO3 + AgCl =>
AgNO3 + NaCl = NaNO3 + AgCl
CrO3 + HCl = CrO2Cl2 + H2O =>
CrO3 + 2 HCl = CrO2Cl2 + H2O
Fe2O3 + ZnO = Zn(FeO2)2 =>
Fe2O3 + ZnO = Zn(FeO2)2
PO5 + S = SO + P =>
PO5 + 5 S = 5 SO + P
KSCN + Zn + H2SO4 = H2S + HCN + ZnSO4 + K2S =>
2 KSCN + 2 Zn + 2 H2SO4 = H2S + 2 HCN + 2 ZnSO4 + K2S
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