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3 Hf(s) + 2 N2(g) = Hf3N4(s)
Cr + H2SO4 = Cr2(SO4)3 + SO2 + H2O =>
2 Cr + 6 H2SO4 = Cr2(SO4)3 + 3 SO2 + 6 H2O
O7 = O =>
O7 = 7 O
ZnO + S = Zn + SO2 =>
2 ZnO + S = 2 Zn + SO2
HPO3 + H = PH4(OH) + H2O =>
HPO3 + 8 H = PH4(OH) + 2 H2O
NaVO3 + AgNO3 + H2O = Ag3VO4 + NaNO3 + HNO3 =>
NaVO3 + 3 AgNO3 + H2O = Ag3VO4 + NaNO3 + 2 HNO3
Na3[Al(OH)6] + H2SO4 = NaOH + Al2(SO4)3 + H2O =>
2 Na3[Al(OH)6] + 3 H2SO4 = 6 NaOH + Al2(SO4)3 + 6 H2O
H3PO2 + NiSO4 + H2O = H3PO4 + H2SO3 + Ni(OH)2 =>
H3PO2 + 2 NiSO4 + 4 H2O = H3PO4 + 2 H2SO3 + 2 Ni(OH)2
O = O3 =>
3 O = O3
MgCl2 + NaSO4 = Mg(SO4)2 + NaCl =>
MgCl2 + 2 NaSO4 = Mg(SO4)2 + 2 NaCl
SrS + K2SO4 = SrSO4 + K2S =>
SrS + K2SO4 = SrSO4 + K2S
FeSO4 + BaCl2 = BaSO4 + FeCl2 =>
FeSO4 + BaCl2 = BaSO4 + FeCl2
LiOH + P2O5 = Li3PO4 + H2O =>
6 LiOH + P2O5 = 2 Li3PO4 + 3 H2O
PCl5 + H2O = POCl3 + HCl =>
PCl5 + H2O = POCl3 + 2 HCl
NaBrO3 = NaBr + O2 =>
2 NaBrO3 = 2 NaBr + 3 O2
O = O2 =>
2 O = O2
Br2 + Mn(NO3)2 + NaOH = MnO2 + NaNO3 + HBr =>
Br2 + Mn(NO3)2 + 2 NaOH = MnO2 + 2 NaNO3 + 2 HBr
LiBr = Li + Br =>
LiBr = Li + Br
NH4Br + AgNO3 = AgBr + NH4NO3 =>
NH4Br + AgNO3 = AgBr + NH4NO3
Al(Cl)3 + Na3PO4 = AlPO4 + NaCl =>
Al(Cl)3 + Na3PO4 = AlPO4 + 3 NaCl
BaSO4 + Cu = CuO + BaS =>
BaSO4 + 4 Cu = 4 CuO + BaS
BeONa2O = Na2BeO2 =>
BeONa2O = Na2BeO2
Fe + HNO3 = Fe(NO3)3 + N2 + H2O =>
10 Fe + 36 HNO3 = 10 Fe(NO3)3 + 3 N2 + 18 H2O
NaMnO4 + Na2S + H2SO4 = MnSO4 + Na2SO4 + H2O =>
8 NaMnO4 + 5 Na2S + 12 H2SO4 = 8 MnSO4 + 9 Na2SO4 + 12 H2O
H2 = H =>
H2 = 2 H
K2Cr2O7 + H2SO4 + H2S = Cr2(SO4)3 + H2O + K2SO4 =>
4 K2Cr2O7 + 13 H2SO4 + 3 H2S = 4 Cr2(SO4)3 + 16 H2O + 4 K2SO4
KBr + BI = KI + BBr =>
KBr + BI = KI + BBr
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
AlF3 + NaOH = Na3AlF6 + NaAlO2 + H2O =>
2 AlF3 + 4 NaOH = Na3AlF6 + NaAlO2 + 2 H2O
Mg3(PO4)2 + HNO3 = Mg(NO3)2 + H3PO4 =>
Mg3(PO4)2 + 6 HNO3 = 3 Mg(NO3)2 + 2 H3PO4
HCOOH + MgO = (HCOO)2Mg + H2O =>
2 HCOOH + MgO = (HCOO)2Mg + H2O
SO2 + OH = SO3 + H2O =>
SO2 + 2 OH = SO3 + H2O
V + O = VO =>
V + O = VO
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
KOHPb(NO3) = K(NO3)Pb(OH) =>
KOHPb(NO3) = K(NO3)Pb(OH)
I2 + NaCl = Na + I2Cl =>
I2 + NaCl = Na + I2Cl
NaOH + CuS = Na2S + Cu(OH)2 =>
2 NaOH + CuS = Na2S + Cu(OH)2
Y(NO3)3 + NH4VO3 = YVO4 + NO2 + H2O + NH3 =>
7 Y(NO3)3 + 7 NH4VO3 = 7 YVO4 + 24 NO2 + 8 H2O + 4 NH3
AgNO3(aq) + Mg(s) = (MgNO3)2 + Ag =>
2 AgNO3(aq) + 2 Mg(s) = (MgNO3)2 + 2 Ag
NaClO4 + H2O = HClO4 + NaOH =>
NaClO4 + H2O = HClO4 + NaOH
Zn + HNO3 = Zn(NO3O)2 + NO + H2O =>
Zn + 4 HNO3 = Zn(NO3O)2 + 2 NO + 2 H2O
MnSO4 + KClO3 + NaOH = Na2MnO4 + KCl + H2O + Na2SO4 =>
3 MnSO4 + 2 KClO3 + 12 NaOH = 3 Na2MnO4 + 2 KCl + 6 H2O + 3 Na2SO4
P2H4 + KMnO4 + H2SO4 = P2O5 + MnSO4 + K2SO4 + H2O =>
5 P2H4 + 14 KMnO4 + 21 H2SO4 = 5 P2O5 + 14 MnSO4 + 7 K2SO4 + 31 H2O
CO2 + KO = KCO3 =>
CO2 + KO = KCO3
MgF2 + AgNO3 = AgF + Mg(NO3)2 =>
MgF2 + 2 AgNO3 = 2 AgF + Mg(NO3)2
Ca(OH)2 + SO2 = CaSO3* + H2O =>
Ca(OH)2 + SO2 = CaSO3* + H2O
NH4NO3 + CH3COOH = N2 + H2O + CO2 =>
4 NH4NO3 + CH3COOH = 4 N2 + 10 H2O + 2 CO2
SrSO4 + KNO3 = Sr(NO3)2 + K2SO4 =>
SrSO4 + 2 KNO3 = Sr(NO3)2 + K2SO4
K4Fe(CN)6 + Fe2(SO4)3 = KFe[Fe(CN)6] + K2(SO4) =>
2 K4Fe(CN)6 + Fe2(SO4)3 = 2 KFe[Fe(CN)6] + 3 K2(SO4)
SiCl2 + H2 = Si + HCl =>
SiCl2 + H2 = Si + 2 HCl
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