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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
C2H2 + KMNO4 + H2SO4 = CO2 + K2SO4 + MNSO4 + H2O =>
C2H2 + 2 KMNO4 + 3 H2SO4 = 2 CO2 + K2SO4 + 2 MNSO4 + 4 H2O
KI + Br2 = KBr + I2 =>
2 KI + Br2 = 2 KBr + I2
Ca(ClO2)2 + HCl = CaCl2 + Cl2 + H2O =>
Ca(ClO2)2 + 8 HCl = CaCl2 + 4 Cl2 + 4 H2O
C2 + H2O = CO2 + H2 =>
C2 + 4 H2O = 2 CO2 + 4 H2
CH3CHCH2 + H2 = CH3CH2CH3 =>
CH3CHCH2 + H2 = CH3CH2CH3
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Zn + AgClO4 = Ag + ZnClO4 =>
Zn + AgClO4 = Ag + ZnClO4
PbO = Pb + O =>
PbO = Pb + O
Zn + AgClO4 = Ag + ZnClO4 =>
Zn + AgClO4 = Ag + ZnClO4
CaC2 + H2O = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2 + C2H2
FeCl3 + SnCl2 = FeCl2 + SnCl4 =>
2 FeCl3 + SnCl2 = 2 FeCl2 + SnCl4
H2O + SeO3 = H2SeO4 =>
H2O + SeO3 = H2SeO4
C + H2O = CO2 + H2 =>
C + 2 H2O = CO2 + 2 H2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Zn + HNO3 = Zn(NO3)2 + NO + H2O =>
3 Zn + 8 HNO3 = 3 Zn(NO3)2 + 2 NO + 4 H2O
Fe2O3 + Mg = MgO + Fe =>
Fe2O3 + 3 Mg = 3 MgO + 2 Fe
C + O2 = CO2 =>
C + O2 = CO2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C3H5(NO3)3 = CO2 + N2 + H2O + O2 =>
4 C3H5(NO3)3 = 12 CO2 + 6 N2 + 10 H2O + O2
P4 + Ca(OH)2 + H2O = PH3 + CaHPO4 =>
2 P4 + 3 Ca(OH)2 + 6 H2O = 5 PH3 + 3 CaHPO4
KMnO4 + NaNO2 + NaOH = K2MnO4 + Na2MnO4 + NaNO3 + H2O =>
2 KMnO4 + NaNO2 + 2 NaOH = K2MnO4 + Na2MnO4 + NaNO3 + H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
ZnNa2 + AgClO4 = AgNa + Zn(ClO4)2 =>
ZnNa2 + 2 AgClO4 = 2 AgNa + Zn(ClO4)2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C37H37N2O6S2Na + O2 = CO2 + H2O + SO2 + NH3 + NaOH =>
C37H37N2O6S2Na + 44 O2 = 37 CO2 + 15 H2O + 2 SO2 + 2 NH3 + NaOH
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C5H10O2() + O2(g) = CO3(g) + H2O(l) =>
C5H10O2() + 9 O2(g) = 5 CO3(g) + 5 H2O(l)
NH4Cl + NAOH = NH3 + H2O + NACl =>
NH4Cl + NAOH = NH3 + H2O + NACl
Br2 + NaOH = NaBr + NaBrO3 + H2O =>
3 Br2 + 6 NaOH = 5 NaBr + NaBrO3 + 3 H2O
K2S + CuSO4 = CuS + K2SO4 =>
K2S + CuSO4 = CuS + K2SO4
MnO2 + KJ + CO2 + H2O = MnCO3 + KHCO3 + J2 =>
MnO2 + 2 KJ + 3 CO2 + H2O = MnCO3 + 2 KHCO3 + J2
NaHCO3(s) = Na2O(s) + H2O(g) + CO2(g) =>
2 NaHCO3(s) = Na2O(s) + H2O(g) + 2 CO2(g)
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Bi2O5 + NACLO + NAOH = NACL + H2O + NABiO5 =>
Bi2O5 + 4 NACLO + 2 NAOH = 4 NACL + H2O + 2 NABiO5
Zn + HBr = ZnBr2 + H2 =>
Zn + 2 HBr = ZnBr2 + H2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C2H6O2 + K2Cr2O7 + H2SO4 = C2H4O2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C2H6O2 + K2Cr2O7 + 4 H2SO4 = 3 C2H4O2 + K2SO4 + Cr2(SO4)3 + 7 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CuSO4 + Zn = Cu + ZnSO4 =>
CuSO4 + Zn = Cu + ZnSO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KL + Cl2 = KCl + L2 =>
2 KL + Cl2 = 2 KCl + L2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
HNO3 + P4 + H2O = H3PO4 + NO =>
20 HNO3 + 3 P4 + 8 H2O = 12 H3PO4 + 20 NO
C6H5OH + O2 = CO2 + H2O =>
C6H5OH + 7 O2 = 6 CO2 + 3 H2O
NH3 + CuO = Cu + H2O + N2 =>
2 NH3 + 3 CuO = 3 Cu + 3 H2O + N2
N2H4 + H2O = N2H5 + OH =>
N2H4 + H2O = N2H5 + OH
Fe2(SO3)3 + NaOH = Fe(OH)3 + Na2SO3 =>
Fe2(SO3)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO3
Ag2AsO4 + Zn + H2SO4 = AsH3 + Ag + ZnSO4 + H2O =>
2 Ag2AsO4 + 11 Zn + 11 H2SO4 = 2 AsH3 + 4 Ag + 11 ZnSO4 + 8 H2O
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