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2 NaOH + H2SO4 = Na2SO4 + 2 H2O
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
NH4OH + H2SO4 = H2O + (NH4)2SO4 =>
2 NH4OH + H2SO4 = 2 H2O + (NH4)2SO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ca + Br2 = CaBr2 =>
Ca + Br2 = CaBr2
K2O2 + H2O = KOH + O2 =>
2 K2O2 + 2 H2O = 4 KOH + O2
Fe + Na2CO3 = FeCO3 + Na =>
Fe + Na2CO3 = FeCO3 + 2 Na
(NH4)2SO3 + H2O = NH4OH + H2SO3 =>
(NH4)2SO3 + 2 H2O = 2 NH4OH + H2SO3
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
FeCl2 + Na3PO4 = Fe3(PO4)2 + NaCl =>
3 FeCl2 + 2 Na3PO4 = Fe3(PO4)2 + 6 NaCl
Sn + O2 = SnO =>
2 Sn + O2 = 2 SnO
Cr2O7{2-} + H{+} + Cu = Cr{3+} + H2O + Cu{2+} =>
Cr2O7{2-} + 14 H{+} + 3 Cu = 2 Cr{3+} + 7 H2O + 3 Cu{2+}
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Fe2(SO4)3 + Ca = CaSO4 + Fe =>
Fe2(SO4)3 + 3 Ca = 3 CaSO4 + 2 Fe
(CH3)2NH + HNO3 = (CH3)2NH2{+} + NO3{-} =>
(CH3)2NH + HNO3 = (CH3)2NH2{+} + NO3{-}
Cu2S + HNO3 = Cu(NO3)2 + H2SO4 + NO2 + H2O =>
Cu2S + 14 HNO3 = 2 Cu(NO3)2 + H2SO4 + 10 NO2 + 6 H2O
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
N2O + KMnO4 + H2SO4 = MnSO4 + Mn(NO3)2 + K2SO4 + H2O =>
5 N2O + 8 KMnO4 + 7 H2SO4 = 3 MnSO4 + 5 Mn(NO3)2 + 4 K2SO4 + 7 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
K3PO4 + Ba(NO3)2 = Ba3(PO4)2 + KNO3 =>
2 K3PO4 + 3 Ba(NO3)2 = Ba3(PO4)2 + 6 KNO3
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
CuCl2 + Zn = Cu + ZnCl2 =>
CuCl2 + Zn = Cu + ZnCl2
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
Fe2(SO4)3 + Ca = CaSO4 + Fe =>
Fe2(SO4)3 + 3 Ca = 3 CaSO4 + 2 Fe
ZnO + BrF3 = ZnF2 + Br2 + O2 =>
6 ZnO + 4 BrF3 = 6 ZnF2 + 2 Br2 + 3 O2
CH3COONa + H2SO4 = CH3COOH + Na2SO4 =>
2 CH3COONa + H2SO4 = 2 CH3COOH + Na2SO4
K3PO4 + Ba(NO3)2 = Ba3(PO4)2 + KNO3 =>
2 K3PO4 + 3 Ba(NO3)2 = Ba3(PO4)2 + 6 KNO3
KMnO4 + HCl = KCl + MnCl2 + Cl2 + H2O =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 5 Cl2 + 8 H2O
Al + H2O = Al(OH)3 + H2 =>
2 Al + 6 H2O = 2 Al(OH)3 + 3 H2
HS + O2 = SO2 + H2O =>
4 HS + 5 O2 = 4 SO2 + 2 H2O
SO2 + KMnO4 + H2O = MnO2 + K2SO4 + H2SO4 =>
3 SO2 + 2 KMnO4 + 2 H2O = 2 MnO2 + K2SO4 + 2 H2SO4
K2Cr2O7 + KI + H2SO4 = I2 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = 3 I2 + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
SO2 + KMnO4 + H2O = MnO2 + KOH + H2SO4 =>
3 SO2 + 2 KMnO4 + 4 H2O = 2 MnO2 + 2 KOH + 3 H2SO4
NH4 + O2 = N2 + H2O =>
2 NH4 + 2 O2 = N2 + 4 H2O
NaClO3 + H2SO4 + SO2 = NaHSO4 + ClO2 =>
2 NaClO3 + H2SO4 + SO2 = 2 NaHSO4 + 2 ClO2
K2Cr2O7 + HI + HClO4 = Cr(ClO4) + I2 + KClO4 + H2O =>
K2Cr2O7 + 10 HI + 4 HClO4 = 2 Cr(ClO4) + 5 I2 + 2 KClO4 + 7 H2O
Ca2Al3Si3O12(OH) = H2O + Al2O3 + Ca3Al2Si3O12 + CaAl2Si2O8 =>
6 Ca2Al3Si3O12(OH) = 3 H2O + Al2O3 + 2 Ca3Al2Si3O12 + 6 CaAl2Si2O8
C2H2 + KMnO4 + H2O = C2H2O2 + MnO2 + KOH =>
3 C2H2 + 4 KMnO4 + 2 H2O = 3 C2H2O2 + 4 MnO2 + 4 KOH
Al + NH4ClO4 = Al2O3 + AlCl3 + NO + H2O =>
3 Al + 3 NH4ClO4 = Al2O3 + AlCl3 + 3 NO + 6 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Cl2 + NaOH = NaCl + NaClO3 + H20 =>
30 Cl2 + 60 NaOH = 40 NaCl + 20 NaClO3 + 3 H20
C2H2 + KMnO4 + H2O = C2H2O4 + MnO2 + KOH =>
3 C2H2 + 8 KMnO4 + 4 H2O = 3 C2H2O4 + 8 MnO2 + 8 KOH
K2Cr2O7 + KI + H2SO4 = I2 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = 3 I2 + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
CH4 + Cl2 = CH2Cl2 + HCl =>
CH4 + 2 Cl2 = CH2Cl2 + 2 HCl
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