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2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
S + Na = Na2S =>
S + 2 Na = Na2S
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
Al + KOH + H2SO4 + H2O = H2 + KAl(SO4)2*12H2O =>
2 Al + 2 KOH + 4 H2SO4 + 22 H2O = 3 H2 + 2 KAl(SO4)2*12H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
BaO2 + H2SO4 = BaSO4 + H2O2 =>
BaO2 + H2SO4 = BaSO4 + H2O2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
C6H5CH3 + HNO3 = C6H4NO2CH3 + H2O =>
C6H5CH3 + HNO3 = C6H4NO2CH3 + H2O
H2S + Na = Na2S + H =>
H2S + 2 Na = Na2S + 2 H
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
CaO + H3PO4 = Ca3(PO4)2 + H2O =>
3 CaO + 2 H3PO4 = Ca3(PO4)2 + 3 H2O
NaIO3 + NaHSO3 = NaHSO4 + Na2SO4 + H2O + I2 =>
2 NaIO3 + 5 NaHSO3 = 3 NaHSO4 + 2 Na2SO4 + H2O + I2
SnSO4 + KMnO4 + H2SO4 = Sn(SO4)2 + MnSO4 + K2SO4 + H2O =>
5 SnSO4 + 2 KMnO4 + 8 H2SO4 = 5 Sn(SO4)2 + 2 MnSO4 + K2SO4 + 8 H2O
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
KMnO4 + H2C2O4 + H2SO4 = MnSO4 + K2SO4 + CO2 + H2O =>
2 KMnO4 + 5 H2C2O4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 10 CO2 + 8 H2O
BaCl2 + Na2So4 = NaCl + BaSo4 =>
BaCl2 + Na2So4 = 2 NaCl + BaSo4
K2S + K2MuO4 + H2O = S + MuO2 + KOH =>
K2S + K2MuO4 + 2 H2O = S + MuO2 + 4 KOH
Al + H2O = Al(OH)4 + H2 =>
Al + 4 H2O = Al(OH)4 + 2 H2
H2S + O = H2O + S =>
H2S + O = H2O + S
Rb + O2 = Rb2O =>
4 Rb + O2 = 2 Rb2O
Na2S + CuCl2 = NaCl + CuS =>
Na2S + CuCl2 = 2 NaCl + CuS
NA + N2 = NAN2 =>
NA + N2 = NAN2
Ag + HBr = AgH + Br =>
Ag + HBr = AgH + Br
K3PO4 = K2O(s) + P4O10(s) =>
4 K3PO4 = 6 K2O(s) + P4O10(s)
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Ga(OH)3 + HBr = GaBr3 + HOH =>
Ga(OH)3 + 3 HBr = GaBr3 + 3 HOH
H3PO4 + CuO = Cu3(PO4)2 + H2O =>
2 H3PO4 + 3 CuO = Cu3(PO4)2 + 3 H2O
CuSo4(ac) + NH3(ac) = Cu(NH3)4 + So4(ac) =>
CuSo4(ac) + 4 NH3(ac) = Cu(NH3)4 + So4(ac)
SnSO4 + KMnO4 + H2SO4 = Sn(SO4)2 + MnSO4 + K2SO4 + H2O =>
5 SnSO4 + 2 KMnO4 + 8 H2SO4 = 5 Sn(SO4)2 + 2 MnSO4 + K2SO4 + 8 H2O
S + O = SO2 =>
S + 2 O = SO2
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
BaCl2(aq) + AgNO3(aq) = AgCl + Ba(NO3)2(aq) =>
BaCl2(aq) + 2 AgNO3(aq) = 2 AgCl + Ba(NO3)2(aq)
Co4O4 + H2 = Co + H2O =>
Co4O4 + 4 H2 = 4 Co + 4 H2O
Fe(s) + HCl = FeCl(aq) + H(g) =>
Fe(s) + HCl = FeCl(aq) + H(g)
Fe(s) + HCl(aq) = FeCl(aq) + H(g) =>
Fe(s) + HCl(aq) = FeCl(aq) + H(g)
NaOH + H2(SO4) = Na2(SO4) + H2O =>
2 NaOH + H2(SO4) = Na2(SO4) + 2 H2O
KI(g) + Cl2(aq) = KCl(aq) + I2(s) =>
2 KI(g) + Cl2(aq) = 2 KCl(aq) + I2(s)
Co(NO3)3 + (NH4)2S = Co2S3 + NH4NO3 =>
2 Co(NO3)3 + 3(NH4)2S = Co2S3 + 6 NH4NO3
Na2O + SO2 = Na2SO3 =>
Na2O + SO2 = Na2SO3
Fe(s) + HCl(aq) = FeCl2(aq) + H(g) =>
Fe(s) + 2 HCl(aq) = FeCl2(aq) + 2 H(g)
CuCl2 + Zn = Cu + ZnCl2 =>
CuCl2 + Zn = Cu + ZnCl2
S2Cl2 + H2O = SO2 + HCl + S2 =>
4 S2Cl2 + 4 H2O = 2 SO2 + 8 HCl + 3 S2
Co3O4 + H2 = Co + H2O =>
Co3O4 + 4 H2 = 3 Co + 4 H2O
Zn + Ag2SO4 = ZnSO4 + Ag =>
Zn + Ag2SO4 = ZnSO4 + 2 Ag
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
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