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2 Cd + 2 HCl = 2 CdCl + H2
KMnO4 + NaHSO3 = K + MnO2 + NaHSO4 =>
KMnO4 + 2 NaHSO3 = K + MnO2 + 2 NaHSO4
Fe + N2 = Fe2N3 =>
4 Fe + 3 N2 = 2 Fe2N3
H3PO4 + HNO3 = P4 + NO3 + H2O =>
4 H3PO4 + 20 HNO3 = P4 + 20 NO3 + 16 H2O
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CUOC = CUCO =>
CUOC = CUCO
CaO + N2 = Ca + N2O3 =>
3 CaO + N2 = 3 Ca + N2O3
PbO4 + HI = I2 + PbI2 + H2O =>
PbO4 + 8 HI = 3 I2 + PbI2 + 4 H2O
CaO + C = Ca2C + CO2 =>
2 CaO + 2 C = Ca2C + CO2
NO + Zn{2+} + H2O = NO3{-} + Zn + H{+} =>
2 NO + 3 Zn{2+} + 4 H2O = 2 NO3{-} + 3 Zn + 8 H{+}
HClBa(OH)2 = H(OH)2BaCl =>
HClBa(OH)2 = H(OH)2BaCl
K2HPO4 + Ba(NO3)2 = BaHPO4 + KNO3 =>
K2HPO4 + Ba(NO3)2 = BaHPO4 + 2 KNO3
AgNO3 + NH4OH = NH4NO3 + Ag2O + H2O =>
2 AgNO3 + 2 NH4OH = 2 NH4NO3 + Ag2O + H2O
HgS + HCl + HNO3 = HgH2Cl4 + NO2 + H2SO4 + H2O =>
HgS + 4 HCl + 8 HNO3 = HgH2Cl4 + 8 NO2 + H2SO4 + 4 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
K2O + Na = K + NaOK =>
K2O + Na = K + NaOK
CO2 + NO2 + H2O = CO + HNO3 =>
CO2 + 2 NO2 + H2O = CO + 2 HNO3
Cu2 + NaCl = (CuCl)2 + Na =>
Cu2 + 2 NaCl = (CuCl)2 + 2 Na
K2SO4 + KNO3 = K3SO4NO3 =>
K2SO4 + KNO3 = K3SO4NO3
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
Ba + N2 = Ba2N3 =>
4 Ba + 3 N2 = 2 Ba2N3
HgCl2 + H2O = HgO + HCl =>
HgCl2 + H2O = HgO + 2 HCl
BrCH3 + H2O = CH4O + HBr =>
BrCH3 + H2O = CH4O + HBr
Pt + OH = Pt(OH)2 =>
Pt + 2 OH = Pt(OH)2
Zn + (CaOH)2 = ZnOH + Ca =>
2 Zn + (CaOH)2 = 2 ZnOH + 2 Ca
Li + As = LiAs =>
Li + As = LiAs
CuS + KCl = KS + CuCl =>
CuS + KCl = KS + CuCl
C6H4(NO2)2 + Fe + HCl = C6H4(NH2)2 + FeCl3 + H2O =>
C6H4(NO2)2 + 4 Fe + 12 HCl = C6H4(NH2)2 + 4 FeCl3 + 4 H2O
Ca3(C6H5O7)2 + H2SO4 = C6H8O7 + CaSO4 =>
Ca3(C6H5O7)2 + 3 H2SO4 = 2 C6H8O7 + 3 CaSO4
Fe + KBr = FeBr3 + K =>
Fe + 3 KBr = FeBr3 + 3 K
P2O5 + Li3PO4 + H2O = LiH2PO4 =>
P2O5 + Li3PO4 + 3 H2O = 3 LiH2PO4
NaBr(aq) + Cl2 = Na2Cl + Br =>
4 NaBr(aq) + Cl2 = 2 Na2Cl + 4 Br
Mg + CuSO4 = Mg(SO4) + Cu =>
Mg + CuSO4 = Mg(SO4) + Cu
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NO2(aq) + HSO3NH2(aq) = HSO4(aq) + H20(l) + N2(g) =>
10 NO2(aq) + 20 HSO3NH2(aq) = 20 HSO4(aq) + 2 H20(l) + 15 N2(g)
Ca(NO3)2 + HCl = HNO3 + CaCl2 =>
Ca(NO3)2 + 2 HCl = 2 HNO3 + CaCl2
C3H6HBr = C3H7Br =>
C3H6HBr = C3H7Br
Ni + O2 = NiO =>
2 Ni + O2 = 2 NiO
MgHNO3 = H2 + MgNO3 =>
2 MgHNO3 = H2 + 2 MgNO3
KMnO4 + Mg = MgO2 + K2O + MnO =>
4 KMnO4 + 5 Mg = 5 MgO2 + 2 K2O + 4 MnO
Al + SO4Cu = Cu + (SO4)3Al2 =>
2 Al + 3 SO4Cu = 3 Cu + (SO4)3Al2
H4C3 + O2 = CO2 + H2O =>
H4C3 + 4 O2 = 3 CO2 + 2 H2O
Co2 + Li2O = Li2Co3 + O2 =>
3 Co2 + 2 Li2O = 2 Li2Co3 + O2
V2O5 + H2SO4 + CH3CH2OH = VOSO4 + H2O + CH3CHO =>
V2O5 + 2 H2SO4 + CH3CH2OH = 2 VOSO4 + 3 H2O + CH3CHO
SN + HNO3 = NO2 + H2 + S =>
SN + 2 HNO3 = 3 NO2 + H2 + S
CuSO4 + NaH2PO4 = CuPO4 + NaH2SO4 =>
CuSO4 + NaH2PO4 = CuPO4 + NaH2SO4
Sc + HBr = ScBr3 + H2 =>
2 Sc + 6 HBr = 2 ScBr3 + 3 H2
Cu(SO4) + Na2S = CuS + Na2(SO4) =>
Cu(SO4) + Na2S = CuS + Na2(SO4)
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