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K2Cr2O7 + 14 HCl = 3 Cl2 + 2 KClCrCl3 + 7 H2O
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
Ca(OH)2 + H2O4S = CaSO4 + H2O =>
Ca(OH)2 + H2O4S = CaSO4 + 2 H2O
C6H6 + HCl = C6H7Cl =>
C6H6 + HCl = C6H7Cl
NaCN + H2SO4 = Na2SO4 + HCN =>
2 NaCN + H2SO4 = Na2SO4 + 2 HCN
Mg3(PO4)2(s) = Mg{2+} + PO4{3-} =>
Mg3(PO4)2(s) = 3 Mg{2+} + 2 PO4{3-}
C2(s) + O2(g) = CO2(g) =>
C2(s) + 2 O2(g) = 2 CO2(g)
NaOH + H3PO4 = Na2HPO4 + H2O =>
2 NaOH + H3PO4 = Na2HPO4 + 2 H2O
LiHCO3 = Li2CO3 + H2O + CO2 =>
2 LiHCO3 = Li2CO3 + H2O + CO2
C7H4Na2O3 + H2SO4 = C7H6O3 + Na2SO4 =>
C7H4Na2O3 + H2SO4 = C7H6O3 + Na2SO4
C5H9O + O2 = CO2 + H2O =>
4 C5H9O + 27 O2 = 20 CO2 + 18 H2O
Li + Cl2 = LiCl =>
2 Li + Cl2 = 2 LiCl
NaF + Cl2 = NaClF =>
2 NaF + Cl2 = 2 NaClF
KMnO4 + HCl + H2SO4 = Cl2 + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 10 HCl + 3 H2SO4 = 5 Cl2 + K2SO4 + 2 MnSO4 + 8 H2O
Pb + Cl2 = PbCl3 =>
2 Pb + 3 Cl2 = 2 PbCl3
Ca + O2 = CaO = = =>
2 Ca + O2 = 2 CaO
H3O4P + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3O4P + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Mn(NO2) + BeCl2 = Be(NO2) + MnCl2 =>
Mn(NO2) + BeCl2 = Be(NO2) + MnCl2
Ca3(PO4)2 + H3PO4 = Ca(H2PO4)2 =>
Ca3(PO4)2 + 4 H3PO4 = 3 Ca(H2PO4)2
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
ZnS + O2 = ZnO + SO22 =>
2 ZnS + 23 O2 = 2 ZnO + 2 SO22
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
K2SiF6 + H2O = K3SiF7 + SiO2 + HF =>
3 K2SiF6 + 2 H2O = 2 K3SiF7 + SiO2 + 4 HF
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Na2S + Cu(No3)2 = NaNo3 + CuS =>
Na2S + Cu(No3)2 = 2 NaNo3 + CuS
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
Pb + BaS = PbS2 + Ba =>
Pb + 2 BaS = PbS2 + 2 Ba
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe(CN)2 + CN{-} = [Fe(CN)6]{4-} =>
Fe(CN)2 + 4 CN{-} = [Fe(CN)6]{4-}
Na2CO3 + H2SO4 = CO2 + H2O + Na2SO4 =>
Na2CO3 + H2SO4 = CO2 + H2O + Na2SO4
Zn + MnO4 = ZnO2 + MnO2 =>
Zn + MnO4 = ZnO2 + MnO2
Fe(HO)2 + H3PO4 = Fe3(PO4)2 + H2O =>
3 Fe(HO)2 + 2 H3PO4 = Fe3(PO4)2 + 6 H2O
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
O32 + Mn(OH)4 + NaOH = Na2MnO4 + H2O =>
O32 + 32 Mn(OH)4 + 64 NaOH = 32 Na2MnO4 + 96 H2O
C5H9O + O = CO2 + H2O =>
2 C5H9O + 27 O = 10 CO2 + 9 H2O
CH3CH2OH + HI = CH3CH2I + H2O =>
CH3CH2OH + HI = CH3CH2I + H2O
Sb + Zn + H2O = SbH3 + Zn(OH)2 =>
2 Sb + 3 Zn + 6 H2O = 2 SbH3 + 3 Zn(OH)2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
F2(aq) + KI(aq) = I2(aq) + KF(aq) =>
F2(aq) + 2 KI(aq) = I2(aq) + 2 KF(aq)
CI4 = C + I2 =>
CI4 = C + 2 I2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
(CaCl2) + (AgNO3) = AgCl + Ca(NO3)2 =>
(CaCl2) + 2(AgNO3) = 2 AgCl + Ca(NO3)2
NH3 + Ag3[Fe(CN)6] = Ag + (NH3)3[Fe(CN)6] =>
3 NH3 + Ag3[Fe(CN)6] = 3 Ag + (NH3)3[Fe(CN)6]
HNO3 + NaI = HI + NaNO3 =>
HNO3 + NaI = HI + NaNO3
MnO2(s) + HCl(aq) = MnCl2 + Cl2 + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2 + Cl2 + 2 H2O(l)
NaOHAgNO3 = AgOH + NaNO3 =>
NaOHAgNO3 = AgOH + NaNO3
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