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3 Cu2S + 20 HNO3 = 6 Cu(NO3)2 + 3 SO2 + 10 H2O + 8 NO
CH4 + Cl2 = CHCl2 + HCl =>
2 CH4 + 5 Cl2 = 2 CHCl2 + 6 HCl
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
Zn2 + H2SO4 = Zn(SO4)2 + H2 =>
Zn2 + 4 H2SO4 = 2 Zn(SO4)2 + 4 H2
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
NH4NO3 + Ca(OH)2 = Ca(NO3)2 + NH3 + H20 =>
20 NH4NO3 + 15 Ca(OH)2 = 15 Ca(NO3)2 + 10 NH3 + 4 H20
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CH3NH2 + HCl = CH3NH3 + Cl =>
CH3NH2 + HCl = CH3NH3 + Cl
Fe + Cl2 = FeCl5 =>
2 Fe + 5 Cl2 = 2 FeCl5
C2H6 + Br2 = Br2C2H4 + H2 =>
C2H6 + Br2 = Br2C2H4 + H2
C6H4(OH)(COOH) + FeCl3 = (C6H4(OH)COO)3Fe + HCl =>
3 C6H4(OH)(COOH) + FeCl3 = (C6H4(OH)COO)3Fe + 3 HCl
NaIO3 + Na2SO3 + NaHSO3 = I3 + Na2SO4 + H2O =>
6 NaIO3 + 9 Na2SO3 + 6 NaHSO3 = 2 I3 + 15 Na2SO4 + 3 H2O
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NaIO3 + Na2SO3 + NaHSO3 = I2 + Na2SO4 + H2O =>
2 NaIO3 + 3 Na2SO3 + 2 NaHSO3 = I2 + 5 Na2SO4 + H2O
KOH + Cl2 = KClO3 + KCl + H2O =>
6 KOH + 3 Cl2 = KClO3 + 5 KCl + 3 H2O
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
Cu + H3PO4 = Cu3PO4 + H2 =>
6 Cu + 2 H3PO4 = 2 Cu3PO4 + 3 H2
KNO2 + KI + H2SO4 = I2 + NH3 + K2SO4 + H2O =>
2 KNO2 + 12 KI + 7 H2SO4 = 6 I2 + 2 NH3 + 7 K2SO4 + 4 H2O
NaPO3 + CuO = NaCuPO4 =>
NaPO3 + CuO = NaCuPO4
NI(OH)3 + HCl = NICl2 + Cl2 + H2O =>
2 NI(OH)3 + 6 HCl = 2 NICl2 + Cl2 + 6 H2O
NaAsO2 + I2 + Na2CO3 + H2O = NaH2AsO4 + NaI + CO2 =>
NaAsO2 + I2 + Na2CO3 + H2O = NaH2AsO4 + 2 NaI + CO2
H2SO4 + NaCl = HCl + Na2SO4 =>
H2SO4 + 2 NaCl = 2 HCl + Na2SO4
CH4 + SO4 = HCO3 + HS + H2O =>
CH4 + SO4 = HCO3 + HS + H2O
H3PO4 + NaBr = HBr + Na3PO4 =>
H3PO4 + 3 NaBr = 3 HBr + Na3PO4
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
KNO2 + KI + H2SO4 = I2 + (NH4)2SO4 + K2SO4 + H2O =>
2 KNO2 + 12 KI + 8 H2SO4 = 6 I2 + (NH4)2SO4 + 7 K2SO4 + 4 H2O
MNO2 + KCLO3 + KOH = K2MNO4 + KCL + H2O =>
3 MNO2 + KCLO3 + 6 KOH = 3 K2MNO4 + KCL + 3 H2O
Ca(OH)2 + HNo3 = Ca(No3)2 + H2O =>
Ca(OH)2 + 2 HNo3 = Ca(No3)2 + 2 H2O
MNO2 + KCLO3 + KOH = K2MNO4 + KCL + H2O =>
3 MNO2 + KCLO3 + 6 KOH = 3 K2MNO4 + KCL + 3 H2O
Na2CO3 + HCl = CO2 + H2O + NaCl =>
Na2CO3 + 2 HCl = CO2 + H2O + 2 NaCl
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
KNO2 + KI + H2SO4 = I2 + N2 + K2SO4 + H2O =>
2 KNO2 + 6 KI + 4 H2SO4 = 3 I2 + N2 + 4 K2SO4 + 4 H2O
Na + KNO3 = K2O + Na2O + N2 =>
10 Na + 2 KNO3 = K2O + 5 Na2O + N2
KOH + Cl2 = KClO3 + KCl + H2O =>
6 KOH + 3 Cl2 = KClO3 + 5 KCl + 3 H2O
NaBH4 + HCl + H2O = NaCl + H2 + BO3H3 =>
NaBH4 + HCl + 3 H2O = NaCl + 4 H2 + BO3H3
NaOH + Cl2 = NaCl + NaClO3 + H2O =>
6 NaOH + 3 Cl2 = 5 NaCl + NaClO3 + 3 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Br2 + O2 = Br2O5 =>
2 Br2 + 5 O2 = 2 Br2O5
C2H5OH + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
C2H6 + Br2 = Br2C2H4 + H2 =>
C2H6 + Br2 = Br2C2H4 + H2
H2SO4 + NaCl = HCl + Na2SO4 =>
H2SO4 + 2 NaCl = 2 HCl + Na2SO4
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
FeSO4 + Na2CO3 + H2O = (FeOH)2SO4 + Na2SO4 + CO2 =>
2 FeSO4 + Na2CO3 + H2O = (FeOH)2SO4 + Na2SO4 + CO2
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