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Na2S + 4 HNO3 = Na2SO2 + 4 NO2 + 2 H2O
O13 = O =>
O13 = 13 O
Na2B4O7*10H2O + NaOH = Na3(BO2)3 + H2O =>
3 Na2B4O7*10H2O + 6 NaOH = 4 Na3(BO2)3 + 33 H2O
Ca8(s) + S8(s) = CaS(s) =>
Ca8(s) + S8(s) = 8 CaS(s)
KN + O = KNO3 =>
KN + 3 O = KNO3
Fe(s) + NaOH(aq) = Fe(OH)(s) + Na(aq) =>
Fe(s) + NaOH(aq) = Fe(OH)(s) + Na(aq)
Fe + ClO = FeO + Cl =>
Fe + ClO = FeO + Cl
Ca + AgI = CaI + Ag =>
Ca + AgI = CaI + Ag
Na2(SO)4 + BaCl2 = Ba(SO)4 + NaCl =>
Na2(SO)4 + BaCl2 = Ba(SO)4 + 2 NaCl
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
HF + Al(OH)3 = HOH + AlF3 =>
3 HF + Al(OH)3 = 3 HOH + AlF3
Cl2 + P4 = PCl4 =>
8 Cl2 + P4 = 4 PCl4
CoCl3 + Ba(OH)2 = Co(OH)2 + BaCl3 =>
CoCl3 + Ba(OH)2 = Co(OH)2 + BaCl3
KMnO4 + NaS + H2SO4 = K2SO4 + MnSO4 + Na2SO4 + H2O =>
14 KMnO4 + 10 NaS + 16 H2SO4 = 7 K2SO4 + 14 MnSO4 + 5 Na2SO4 + 16 H2O
HSO4 + Mg = H + MgSO4 =>
HSO4 + Mg = H + MgSO4
H2(g)Cl2(g) = HCl(ag) =>
H2(g)Cl2(g) = 2 HCl(ag)
K2CO3 + H3PO4 = K3PO4 + H2CO3 =>
3 K2CO3 + 2 H3PO4 = 2 K3PO4 + 3 H2CO3
Cr(OH)3 + NaOH = H2 + NaCrO4 =>
Cr(OH)3 + NaOH = 2 H2 + NaCrO4
Pb(ClO3)2 + Al2(SO4)3 = PbSO4 + Al(ClO3)3 =>
3 Pb(ClO3)2 + Al2(SO4)3 = 3 PbSO4 + 2 Al(ClO3)3
MnO2 + KClO3 + KOH = H2O + KMnO4 + KCl =>
2 MnO2 + KClO3 + 2 KOH = H2O + 2 KMnO4 + KCl
SO3 + H2O = SOH2 + H2O3 =>
2 SO3 + 5 H2O = 2 SOH2 + 3 H2O3
Na + Si = Na4Si =>
4 Na + Si = Na4Si
K2Te + WBr6 = KBr + WTe3 =>
3 K2Te + WBr6 = 6 KBr + WTe3
MgOH + CuCl2 = Cu(OH)2 + MgCl =>
2 MgOH + CuCl2 = Cu(OH)2 + 2 MgCl
Zn(NO3)2 + Na2S = ZnS2 + Na + NO3 =>
Zn(NO3)2 + 2 Na2S = ZnS2 + 4 Na + 2 NO3
KI + CaCI2 = CaI2 + KCI =>
KI + CaCI2 = CaI2 + KCI
C2H5Cl + AgNO2 = C2H5NO2 + AgCl =>
C2H5Cl + AgNO2 = C2H5NO2 + AgCl
KI + CaCI2 = CaI2 + KCI =>
KI + CaCI2 = CaI2 + KCI
CCl4 + H = CH4 + Cl =>
CCl4 + 4 H = CH4 + 4 Cl
Zn + H3PO4 = P2O3 + Zn3(PO4)2 + H2O =>
6 Zn + 10 H3PO4 = 3 P2O3 + 2 Zn3(PO4)2 + 15 H2O
CU(OH)2 + HNO3 = CU(NO3)2 + H2O =>
CU(OH)2 + 2 HNO3 = CU(NO3)2 + 2 H2O
Zn(NO3)2 + Na2S = ZnS2 + Na + NO3 =>
Zn(NO3)2 + 2 Na2S = ZnS2 + 4 Na + 2 NO3
KI + CaCI2 = CaI2 + KCI =>
KI + CaCI2 = CaI2 + KCI
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Na2O + CuO = NaCuO + O2 =>
2 Na2O + 4 CuO = 4 NaCuO + O2
CuSO2(s) = CuS(s)O2(g) =>
CuSO2(s) = CuS(s)O2(g)
KI + CaCI2 = CaI2 + KCI =>
KI + CaCI2 = CaI2 + KCI
CU(OH)2 + HNO3 = CU(NO3)2 + H2O =>
CU(OH)2 + 2 HNO3 = CU(NO3)2 + 2 H2O
CH3OH + Br2 = CH2O + HBr =>
CH3OH + Br2 = CH2O + 2 HBr
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
LiOH + H2SO4 = Li2SO4 + H2O =>
2 LiOH + H2SO4 = Li2SO4 + 2 H2O
Zn(NO3)2 + Na2S = ZnS2 + Na + NO3 =>
Zn(NO3)2 + 2 Na2S = ZnS2 + 4 Na + 2 NO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH2CCH3CH3 + KMnO4 + H2SO4 = CH3COCH3 + K2SO4 + MnSO4 + H2O =>
15 CH2CCH3CH3 + 8 KMnO4 + 12 H2SO4 = 20 CH3COCH3 + 4 K2SO4 + 8 MnSO4 + 12 H2O
Cr{3+} + e = Cr{2+} =>
Cr{3+} + e = Cr{2+}
K + ZnO = K2O + Zn =>
2 K + ZnO = K2O + Zn
CH4 + H2O = H2 + CO =>
CH4 + H2O = 3 H2 + CO
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