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2 FeO2 = 2 FeO + O2
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
K2SO4 + H2S = K2S + H2SO4 =>
K2SO4 + H2S = K2S + H2SO4
CH3COOH + Ag2S = H2S + CH3COOAg =>
2 CH3COOH + Ag2S = H2S + 2 CH3COOAg
FeCl2 + HNO2 + H2SO4 = FeCl3 + NO + Fe2(SO4)3 + H2O =>
6 FeCl2 + 6 HNO2 + 3 H2SO4 = 4 FeCl3 + 6 NO + Fe2(SO4)3 + 6 H2O
Au + Pt(NO3)2 = Au(NO3)2 + Pt =>
Au + Pt(NO3)2 = Au(NO3)2 + Pt
K + N3 = KN3 =>
K + N3 = KN3
NaH + KOH = NaOH + KH =>
NaH + KOH = NaOH + KH
CuSO4(aq) + K2CO3(aq) = CuCO3(s) + K2SO4(aq) =>
CuSO4(aq) + K2CO3(aq) = CuCO3(s) + K2SO4(aq)
NaNO3(aq) + PbO(s) = Pb(NO3)2(aq) + Na2O(aq) =>
2 NaNO3(aq) + PbO(s) = Pb(NO3)2(aq) + Na2O(aq)
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
HI(aq) + NaOH(aq) = NaI + H2O =>
HI(aq) + NaOH(aq) = NaI + H2O
C3H7OH + C2H5COOH = C2H5COOC3H7 + H2O =>
C3H7OH + C2H5COOH = C2H5COOC3H7 + H2O
C14H14O3 + NaOH = H2O + C14H13NaO3 =>
C14H14O3 + NaOH = H2O + C14H13NaO3
Ca + H2S = CaS + H2 =>
Ca + H2S = CaS + H2
S8 + Cl2 = SCl2 =>
S8 + 8 Cl2 = 8 SCl2
Be + Ca(OH)2 = CaBeO2 + H2 =>
Be + Ca(OH)2 = CaBeO2 + H2
CrCl3 + NaBiO3 + NaOH + H2O = Bi(OH)3 + Na2CrO4 + NaCl =>
2 CrCl3 + 3 NaBiO3 + 7 NaOH + H2O = 3 Bi(OH)3 + 2 Na2CrO4 + 6 NaCl
KClO + HNO3 = KNO3 + HClO =>
KClO + HNO3 = KNO3 + HClO
Cu2O + C = Cu + CO2 =>
2 Cu2O + C = 4 Cu + CO2
Cu + HCl(aq) = CuCl2 + H2 =>
Cu + 2 HCl(aq) = CuCl2 + H2
N2O3 = N2 + O2 =>
2 N2O3 = 2 N2 + 3 O2
Zn = Zn2{+} + e =>
2 Zn = Zn2{+} + e
Ca(NO3)2 + Li2CO3 = CaCO3 + LiNO3 =>
Ca(NO3)2 + Li2CO3 = CaCO3 + 2 LiNO3
Na2SiF6 + NaOH = Na2SiO3 + NaF + H2O =>
Na2SiF6 + 6 NaOH = Na2SiO3 + 6 NaF + 3 H2O
AlCl3 + I2 = Al2I3 + Cl2 =>
4 AlCl3 + 3 I2 = 2 Al2I3 + 6 Cl2
Ni + CuCl = NiCl2 + Cu =>
Ni + 2 CuCl = NiCl2 + 2 Cu
C3H5OH(l) + O2(g) = H2O + CO2 =>
C3H5OH(l) + 4 O2(g) = 3 H2O + 3 CO2
Bi + F = BiF5 =>
Bi + 5 F = BiF5
Na2O(s) + CO2(g) + H2O(g) = NaHCO3(s) =>
Na2O(s) + 2 CO2(g) + H2O(g) = 2 NaHCO3(s)
NaBr + CHCl3 = NaCHCl3 + Br =>
NaBr + CHCl3 = NaCHCl3 + Br
K + Mn = KMn =>
K + Mn = KMn
Ca(s) + NaOH(aq) = Na2CaO2(s) + H2(g) =>
Ca(s) + 2 NaOH(aq) = Na2CaO2(s) + H2(g)
Al + HNO3 = Al(NO3)3 + H2 =>
2 Al + 6 HNO3 = 2 Al(NO3)3 + 3 H2
Cu + MnO4 = Cu(MnO4)2 =>
Cu + 2 MnO4 = Cu(MnO4)2
K2S2O8 = K2S2O7 + O2 =>
2 K2S2O8 = 2 K2S2O7 + O2
C2H5OH(l) + O2 = CO2 + H2O(g) =>
C2H5OH(l) + 3 O2 = 2 CO2 + 3 H2O(g)
C57H110O6 + H2O = CH3(CH2)16COOH + C3H8O3 =>
C57H110O6 + 3 H2O = 3 CH3(CH2)16COOH + C3H8O3
C8H7O2COOH + NaOH = C8H7O2COONa + H2O =>
C8H7O2COOH + NaOH = C8H7O2COONa + H2O
K2C2O4 + H2O = H2C2O4 + KOH =>
K2C2O4 + 2 H2O = H2C2O4 + 2 KOH
SeO3 = SeO2 + O2 =>
2 SeO3 = 2 SeO2 + O2
MoS2 = Mo + S =>
MoS2 = Mo + 2 S
Na2S(s) + HNO3(aq) = H2S(g) + NaNO3(aq) =>
Na2S(s) + 2 HNO3(aq) = H2S(g) + 2 NaNO3(aq)
CH3COONa + HF = HNa + CH3COOF =>
CH3COONa + HF = HNa + CH3COOF
CrO3 + LiOH = LiCrO4 + H2 =>
2 CrO3 + 2 LiOH = 2 LiCrO4 + H2
Al(OH)3 + K2C2O4 + H2C2O4 = K3(Al(C2O4)3) + H2O =>
2 Al(OH)3 + 3 K2C2O4 + 3 H2C2O4 = 2 K3(Al(C2O4)3) + 6 H2O
Ca3P2 = Ca + P =>
Ca3P2 = 3 Ca + 2 P
CH2O + Cu(OH)2 = CH2O2 + Cu2O + H2O =>
CH2O + 2 Cu(OH)2 = CH2O2 + Cu2O + 2 H2O
W + H2 = WH =>
2 W + H2 = 2 WH
Na3AsO3 + SnCl2 + HCl = As + SnCl4 + NaCl + H2O =>
2 Na3AsO3 + 3 SnCl2 + 12 HCl = 2 As + 3 SnCl4 + 6 NaCl + 6 H2O
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