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S8 + 48 HNO3 = 8 H2SO4 + 48 NO2 + 16 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
HNO2 + HI = I2 + NO + H2O =>
2 HNO2 + 2 HI = I2 + 2 NO + 2 H2O
TiCl4 + HCl + H2O2 = H2[TiO2Cl6] + H2O =>
TiCl4 + 2 HCl + 2 H2O2 = H2[TiO2Cl6] + 2 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
K(s) + Br2(g) = KBr(s) =>
2 K(s) + Br2(g) = 2 KBr(s)
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
K(s) + Br2(g) = KBr(s) =>
2 K(s) + Br2(g) = 2 KBr(s)
Methane + oxygen = carbondioxide + water =>
CH4 + 2 O2 = CO2 + 2 H2O
P + NaOH + H2O = PH3 + NaH2PO2 =>
4 P + 3 NaOH + 3 H2O = PH3 + 3 NaH2PO2
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
C12H22O11 + O2 = CO2 + H20 =>
10 C12H22O11 + 65 O2 = 120 CO2 + 11 H20
NaOH + CaO = Ca(OH)2 + Na2O =>
2 NaOH + CaO = Ca(OH)2 + Na2O
CH3OH + KMNO4 + H2SO4 = HCOOH + MNSO4 + K2SO4 + H2O =>
5 CH3OH + 4 KMNO4 + 6 H2SO4 = 5 HCOOH + 4 MNSO4 + 2 K2SO4 + 11 H2O
FeBr2 + Br2 = FeBr3 =>
2 FeBr2 + Br2 = 2 FeBr3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H20 =>
25 CH3COOH + 10 CaCO3 = 10(CH3COO)2Ca + 20 CO2 + 2 H20
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C2 + O2 = CO =>
C2 + O2 = 2 CO
BaO + SO3 = BaSO4 =>
BaO + SO3 = BaSO4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C + O2 = CO2 =>
C + O2 = CO2
Ca(ClO)2 + HCl = CaCl2 + Cl2 + H2O =>
Ca(ClO)2 + 4 HCl = CaCl2 + 2 Cl2 + 2 H2O
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
Cr(OH)3 = Cr{3+} + OH{-} =>
Cr(OH)3 = Cr{3+} + 3 OH{-}
NaBO3 + NaOH + MnSO4 = Na2SO4 + Mn3(BO3)2 + H2O2 =>
2 NaBO3 + 4 NaOH + 3 MnSO4 = 3 Na2SO4 + Mn3(BO3)2 + 2 H2O2
Mg + HNO3 = Mg(NO3)2 + NH4NO3 + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + NH4NO3 + 3 H2O
Fe + KMNO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + MNSO4 + H2O =>
10 Fe + 6 KMNO4 + 24 H2SO4 = 5 Fe2(SO4)3 + 3 K2SO4 + 6 MNSO4 + 24 H2O
Cu + AGNo3 = Cu(No3)2 + AG =>
Cu + 2 AGNo3 = Cu(No3)2 + 2 AG
Na2SiO3 + HCl = NaCl + H2SiO3 =>
Na2SiO3 + 2 HCl = 2 NaCl + H2SiO3
O3 + Mn(OH)4 + NaOH = Na2MnO4 + H2O =>
O3 + 3 Mn(OH)4 + 6 NaOH = 3 Na2MnO4 + 9 H2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
BACl2 + Al2(SO4)3 = BASO4 + AlCl3 =>
3 BACl2 + Al2(SO4)3 = 3 BASO4 + 2 AlCl3
Cu + AGNO3 = Cu(NO3)2 + AG =>
Cu + 2 AGNO3 = Cu(NO3)2 + 2 AG
K2Cr2O7 + H2SO4 + SO2 = Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + H2SO4 + 3 SO2 = Cr2(SO4)3 + K2SO4 + H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
KMnO4 + NaI + H2So4 = I2 + K2So4 + MnSo4 + NaSo4 + H2O =>
4 KMnO4 + 10 NaI + 16 H2So4 = 5 I2 + 2 K2So4 + 4 MnSo4 + 10 NaSo4 + 16 H2O
KO + H2S = KS + H2O =>
KO + H2S = KS + H2O
NH4{+} + HgI4{2-} + OH{-} = HgOHgNH2I + I{-} + H2O =>
NH4{+} + 2 HgI4{2-} + 4 OH{-} = HgOHgNH2I + 7 I{-} + 3 H2O
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