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ZnS + 2 HNO3 = Zn(NO3)2 + H2S
ZnS + HNO3 = Zn(NO3)2 + NO + S + H2O =>
3 ZnS + 8 HNO3 = 3 Zn(NO3)2 + 2 NO + 3 S + 4 H2O
As + CH3(S)NH2 = AsS + CH3NH2 =>
As + CH3(S)NH2 = AsS + CH3NH2
H2SiO3 + KOH = K2SiO3 + H2O =>
H2SiO3 + 2 KOH = K2SiO3 + 2 H2O
Cr2(SO4)3 + KMnO4 + H2O = H2CrO4 + MnO2 + K2SO4 + H2SO4 =>
Cr2(SO4)3 + 2 KMnO4 + 4 H2O = 2 H2CrO4 + 2 MnO2 + K2SO4 + 2 H2SO4
HCOOH + NH4OH = NH4COOH + H2O =>
HCOOH + NH4OH = NH4COOH + H2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Na3PO4 + Cr2Cl3 = Na2Cl + CrPO4 =>
2 Na3PO4 + Cr2Cl3 = 3 Na2Cl + 2 CrPO4
KClO3 + HCl = HClO + KCl =>
KClO3 + 3 HCl = 3 HClO + KCl
SiO2 + Mn = Si + MnO =>
SiO2 + 2 Mn = Si + 2 MnO
HC1 + Na = NaC1 + H2 =>
2 HC1 + 2 Na = 2 NaC1 + H2
V2 + O2 + HCl = VOCl3 + H2O =>
2 V2 + 5 O2 + 12 HCl = 4 VOCl3 + 6 H2O
Ce(SO4)2 + Fe(NH4)2(SO4)2 = Ce2(SO4)3 + Fe(NH4)(SO4)2 + (NH4)SO4 =>
2 Ce(SO4)2 + Fe(NH4)2(SO4)2 = Ce2(SO4)3 + Fe(NH4)(SO4)2 + (NH4)SO4
CaCN2(s) + H2O(l) = CaCO3(s) + NH3(g) =>
CaCN2(s) + 3 H2O(l) = CaCO3(s) + 2 NH3(g)
NaOH + CH2COOH = H2O + NaCH2COO =>
NaOH + CH2COOH = H2O + NaCH2COO
Al2 + NH4ClO4 = N2 + H2O + HCl + Al2O3 =>
5 Al2 + 6 NH4ClO4 = 3 N2 + 9 H2O + 6 HCl + 5 Al2O3
Na2[Zn(OH)4] = NaOH + Zn(OH)2 =>
Na2[Zn(OH)4] = 2 NaOH + Zn(OH)2
Rb2O + Ca(CN)2 = CNRb + CaO =>
Rb2O + Ca(CN)2 = 2 CNRb + CaO
Al(s) + S(s) = Al2S3 =>
2 Al(s) + 3 S(s) = Al2S3
CoCl2 + KSCN = K2(Co(SCN)4) + KCl =>
CoCl2 + 4 KSCN = K2(Co(SCN)4) + 2 KCl
Zn + Au2O3 = ZnO + Au =>
3 Zn + Au2O3 = 3 ZnO + 2 Au
CoCl2 + KSCN = K2[Co(SCN)4] + KCl =>
CoCl2 + 4 KSCN = K2[Co(SCN)4] + 2 KCl
C2H4O + O2 = CO2 + H2O =>
2 C2H4O + 5 O2 = 4 CO2 + 4 H2O
H2O2 + KOH = KHO2 + H2O =>
H2O2 + KOH = KHO2 + H2O
C2H3NaO2*3H2O = CH3COO{-} + Na{+} + OH{-} + H{+} =>
C2H3NaO2*3H2O = CH3COO{-} + Na{+} + 3 OH{-} + 3 H{+}
W2 = W =>
W2 = 2 W
NaNO3 + HSO4 + Cu = CuSO4 + H2O + NO + Na2SO4 =>
2 NaNO3 + 8 HSO4 + 7 Cu = 7 CuSO4 + 4 H2O + 2 NO + Na2SO4
Na2SiO3 + HCl = NaCl + H2SiO3 =>
Na2SiO3 + 2 HCl = 2 NaCl + H2SiO3
H3PO4 + NaOH = Na3(PO4) + H2O =>
H3PO4 + 3 NaOH = Na3(PO4) + 3 H2O
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
(NaPO3)6 + Al + SiO2 = P4 + Na2SiO3 + Al2O3 =>
2(NaPO3)6 + 20 Al + 6 SiO2 = 3 P4 + 6 Na2SiO3 + 10 Al2O3
H2SO4 + CaCO3 = CaSO4H2O + CO2 =>
H2SO4 + CaCO3 = CaSO4H2O + CO2
CuS + HNO4 = CuSO4 + NO + H2O =>
5 CuS + 8 HNO4 = 5 CuSO4 + 8 NO + 4 H2O
FeSe2 + O2 = Fe2O3 + SeO2 =>
4 FeSe2 + 11 O2 = 2 Fe2O3 + 8 SeO2
Fe + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 Fe + 6 H2SO4 = Fe2(SO4)3 + 3 SO2 + 6 H2O
TiO2 + NaCl + H2 = Ti + Cl2 + NaOH =>
TiO2 + 2 NaCl + H2 = Ti + Cl2 + 2 NaOH
V2O5 + OH{-} = V3O9{3-} + H2O =>
3 V2O5 + 6 OH{-} = 2 V3O9{3-} + 3 H2O
Fe + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 Fe + 6 H2SO4 = Fe2(SO4)3 + 3 SO2 + 6 H2O
NaH + SO3 = NaHSO3 =>
NaH + SO3 = NaHSO3
Mn + Br2 = MnBr2 =>
Mn + Br2 = MnBr2
N + O = NO =>
N + O = NO
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
HF = FH =>
HF = FH
KCl + Cu(OH)2 = K(OH)2 + CuCl =>
KCl + Cu(OH)2 = K(OH)2 + CuCl
KOH + Mg = MgO + K + H2 =>
2 KOH + 2 Mg = 2 MgO + 2 K + H2
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
HC6H7O7 + NH4OH = NH4C6H7O7 + HOH =>
HC6H7O7 + NH4OH = NH4C6H7O7 + HOH
KI(aq) + Hg(NO3)2(aq) = KNO3(aq) + HgI2 =>
2 KI(aq) + Hg(NO3)2(aq) = 2 KNO3(aq) + HgI2
Sn + Mg(NO3)2 = Sn(NO3) + Mg =>
2 Sn + Mg(NO3)2 = 2 Sn(NO3) + Mg
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