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ZnS + 2 H2O = H2S + Zn(OH)2
KHCO3(s) + HBr(aq) = H2CO3(aq) + KBr(aq) =>
KHCO3(s) + HBr(aq) = H2CO3(aq) + KBr(aq)
Sn(SO4)2 + NH4OH = (NH4)2SO4 + Sn(OH)4 =>
Sn(SO4)2 + 4 NH4OH = 2(NH4)2SO4 + Sn(OH)4
Ag(NO3) + KSCN = Ag(SCN) + K(NO3) =>
Ag(NO3) + KSCN = Ag(SCN) + K(NO3)
HCOOH + H2 = CH3OH + H2O =>
HCOOH + 2 H2 = CH3OH + H2O
ReO2 = Re2O7 + Re =>
7 ReO2 = 2 Re2O7 + 3 Re
CH3CH2OH + K2Cr2O7 + H2SO4 = CH3CHO + Cr2(SO4)3 + H2O + K2SO4 =>
3 CH3CH2OH + K2Cr2O7 + 4 H2SO4 = 3 CH3CHO + Cr2(SO4)3 + 7 H2O + K2SO4
Cl2O7 + H2O = HClO4 =>
Cl2O7 + H2O = 2 HClO4
H2O + Br = BrH2O =>
H2O + Br = BrH2O
C6H5O7 + NaHCO3 = NaC6H5O7 + CO2 + H2O =>
16 C6H5O7 + 15 NaHCO3 = 15 NaC6H5O7 + 21 CO2 + 10 H2O
H2S + H2O2 = H2SO4 + H2O =>
H2S + 4 H2O2 = H2SO4 + 4 H2O
AlOH(aq) + H2SO4(aq) = Al2SO4(aq) + H2O(l) =>
2 AlOH(aq) + H2SO4(aq) = Al2SO4(aq) + 2 H2O(l)
P + HNO3 = P2O5 + N2 + H2O =>
2 P + 2 HNO3 = P2O5 + N2 + H2O
Mg(OH)2 + (HCl) = MgCl2 + H2O =>
Mg(OH)2 + 2(HCl) = MgCl2 + 2 H2O
Te + HNO3 = TeO2 + H2O + NO2 =>
Te + 4 HNO3 = TeO2 + 2 H2O + 4 NO2
ZnO + H3PO4 = Zn3(PO4)2 + HOH =>
3 ZnO + 2 H3PO4 = Zn3(PO4)2 + 3 HOH
CuCl + Ca(OH) = Cu(OH) + CaCl =>
CuCl + Ca(OH) = Cu(OH) + CaCl
Ga + K2Cr2O7 + H2SO4 = Ga2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
2 Ga + K2Cr2O7 + 7 H2SO4 = Ga2(SO4)3 + K2SO4 + Cr2(SO4)3 + 7 H2O
HNO3 + Cu = Cu(NO3)2 + NO2 + H2O =>
4 HNO3 + Cu = Cu(NO3)2 + 2 NO2 + 2 H2O
Al(OH)3(s) + HCl(aq) = AlCl3(aq) + H2O(s) =>
Al(OH)3(s) + 3 HCl(aq) = AlCl3(aq) + 3 H2O(s)
H2 + O2 = H2O2 =>
H2 + O2 = H2O2
AgNo2 + KI = AgI + KNo2 =>
AgNo2 + KI = AgI + KNo2
Na + N2 = Na3N =>
6 Na + N2 = 2 Na3N
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
S + CaOH2 = CaS + H2O =>
S + CaOH2 = CaS + H2O
Fe + Cl2 + NaPO4 = Fe3(PO4)2 + NaCl =>
3 Fe + Cl2 + 2 NaPO4 = Fe3(PO4)2 + 2 NaCl
CuCl2 + Na2S = Cl2S + CuNa2 =>
CuCl2 + Na2S = Cl2S + CuNa2
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
AgNO3(ac) + FeCl3(ac) = AgCl(s) + Fe(NO3)3(ac) =>
3 AgNO3(ac) + FeCl3(ac) = 3 AgCl(s) + Fe(NO3)3(ac)
K + Mn7 + O2 = KMnO4 =>
7 K + Mn7 + 14 O2 = 7 KMnO4
Zn(NO3)2 = ZnON2O5 =>
Zn(NO3)2 = ZnON2O5
KCl(aq) + HNO3(aq) + O2(g) = KNO3(aq) + Cl2(g) + H2O =>
4 KCl(aq) + 4 HNO3(aq) + O2(g) = 4 KNO3(aq) + 2 Cl2(g) + 2 H2O
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
Nb + HNO3 + HF = HNbF6 + NO2 + H2O =>
Nb + 5 HNO3 + 6 HF = HNbF6 + 5 NO2 + 5 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K3PO4 + Ni(NO3)2 = Ni3(PO4)2 + KNO3 =>
2 K3PO4 + 3 Ni(NO3)2 = Ni3(PO4)2 + 6 KNO3
NaH2PO2 + NiSO4 + NaOH = Ni + Na2HPO3 + Na2SO4 + H2O =>
NaH2PO2 + NiSO4 + 3 NaOH = Ni + Na2HPO3 + Na2SO4 + 2 H2O
P2O5(s) + H2O = H3PO4 =>
P2O5(s) + 3 H2O = 2 H3PO4
C7H4O2 + O2 = CO2 + H2O =>
C7H4O2 + 7 O2 = 7 CO2 + 2 H2O
MnO2 + KClO3 + KOH = K2MnO4 + KCl + H2O =>
3 MnO2 + KClO3 + 6 KOH = 3 K2MnO4 + KCl + 3 H2O
FeSO4 + KClO3 + H2SO4 = Fe2(SO4)3 + K2SO4 + HCl + H2O =>
12 FeSO4 + 2 KClO3 + 7 H2SO4 = 6 Fe2(SO4)3 + K2SO4 + 2 HCl + 6 H2O
Nb + HNO3 + HF = HNbF6 + NO2 + H2O =>
Nb + 5 HNO3 + 6 HF = HNbF6 + 5 NO2 + 5 H2O
CH3COCH3 + H2 = CH3CH(OH)CH3 =>
CH3COCH3 + H2 = CH3CH(OH)CH3
Li2SO4 + Ca(NO3)2 = Li2(NO3)2 + CaSO4 =>
Li2SO4 + Ca(NO3)2 = Li2(NO3)2 + CaSO4
CaCl2 + (NH4)2CO3 = CaCO3 + NH4Cl =>
CaCl2 + (NH4)2CO3 = CaCO3 + 2 NH4Cl
BiCl3 + H2S = Bi + S3 + H2Cl3 =>
3 BiCl3 + 3 H2S = 3 Bi + S3 + 3 H2Cl3
CaO + H = Ca2 + H2O =>
2 CaO + 4 H = Ca2 + 2 H2O
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
Li + CaS = LiS + Ca =>
Li + CaS = LiS + Ca
HCl + NaOH = (H2O)5 + NaCl =>
5 HCl + 5 NaOH = (H2O)5 + 5 NaCl
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