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2 C + H4 = 2 CH2
Al(s) + NaOH(aq) = Al(OH)3(s) + Na(aq) =>
Al(s) + 3 NaOH(aq) = Al(OH)3(s) + 3 Na(aq)
Fe(CO)5 + H2SO4 = FeSO4 + SO2 + H2O + CO2 =>
Fe(CO)5 + 7 H2SO4 = FeSO4 + 6 SO2 + 7 H2O + 5 CO2
NaHSO3 + HNO3 = NaNO3 + H2SO3 =>
NaHSO3 + HNO3 = NaNO3 + H2SO3
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
AsH3 = As + H2 =>
2 AsH3 = 2 As + 3 H2
CuSO4 + NH3 + H2O = (NH4)2SO4 + Cu(NH3)4(OH)2 =>
CuSO4 + 6 NH3 + 2 H2O = (NH4)2SO4 + Cu(NH3)4(OH)2
Br + Zn(OH)2 = BrOH + Zn =>
2 Br + Zn(OH)2 = 2 BrOH + Zn
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
NaOH + H3PO4 = Na3PO4 + H2O* =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O*
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
[Ag(NH3)2]Br + KI = AgI + KBr + NH3 =>
[Ag(NH3)2]Br + KI = AgI + KBr + 2 NH3
Co3O4 + HCl = CoCl2 + Cl2 + H2O =>
Co3O4 + 8 HCl = 3 CoCl2 + Cl2 + 4 H2O
KNO3 = KNO2 + O2 = Q =>
2 KNO3 = 2 KNO2 + O2
AlFeO = Al + FeO =>
AlFeO = Al + FeO
CH3OOH + KOH = CH3COOK + H2O =>
2 CH3OOH + KOH = CH3COOK + 3 H2O
C2H6 + O2 = C2H6O =>
2 C2H6 + O2 = 2 C2H6O
K3SO4 + H2O = K3O + H2SO4 =>
K3SO4 + H2O = K3O + H2SO4
Al(OH)3 + H{+} = Al{3} + H2O =>
Al(OH)3 + 3 H{+} = Al{3} + 3 H2O
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
AgNO3 + H2S = HNO3 + Ag2S =>
2 AgNO3 + H2S = 2 HNO3 + Ag2S
SnO2(s) + C = Sn(s) + CO(g) =>
SnO2(s) + 2 C = Sn(s) + 2 CO(g)
K2(SO3) + HCl = KCl + SO2 + H2O =>
K2(SO3) + 2 HCl = 2 KCl + SO2 + H2O
H3PO2 + I2 + H2O = I2PO4 + H2 =>
2 H3PO2 + 2 I2 + 4 H2O = 2 I2PO4 + 7 H2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
SIO2 + CaF2 + H2SO4 = CaSO4 + SIF4 + H2O =>
SIO2 + 2 CaF2 + 2 H2SO4 = 2 CaSO4 + SIF4 + 2 H2O
Na2[Pb(OH)4] = Pb(OH)2 + NaOH =>
Na2[Pb(OH)4] = Pb(OH)2 + 2 NaOH
Ca(s) + Cl2(s) = CaCl2(s) =>
Ca(s) + Cl2(s) = CaCl2(s)
H2SO4 + LiOH = LiHSO4 + H2O =>
H2SO4 + LiOH = LiHSO4 + H2O
NaOBr + H2O = HNaOBr + OH =>
NaOBr + H2O = HNaOBr + OH
N2O5 + H2SO4 = NSO4 + H2O + O2 =>
2 N2O5 + 4 H2SO4 = 4 NSO4 + 4 H2O + 3 O2
Sn(NO3)2 + NO2 + H2O = Sn + HNO3 =>
Sn(NO3)2 + 2 NO2 + 2 H2O = Sn + 4 HNO3
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
KClO3 + C6H12O6 + H2SO4 = HCl + CO2 + K2SO4 + H2O =>
4 KClO3 + C6H12O6 + 2 H2SO4 = 4 HCl + 6 CO2 + 2 K2SO4 + 6 H2O
Al2 + O3 = Al2O3 =>
Al2 + O3 = Al2O3
SO2 + H2O + NH3 = (NH4)2SO3 =>
SO2 + H2O + 2 NH3 = (NH4)2SO3
AgF(aq) + (NH4)3PO4(aq) = Ag3PO4(s) + NH4F(aq) =>
3 AgF(aq) + (NH4)3PO4(aq) = Ag3PO4(s) + 3 NH4F(aq)
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
AgNO{3} + HCl = AgCl + HNO{3} =>
AgNO{3} + HCl = AgCl + HNO{3}
NaCl + KCl = NaCl2K =>
NaCl + KCl = NaCl2K
Au + Te = AuTe =>
Au + Te = AuTe
BaO + P2O5 = Ba3(PO4)2 =>
3 BaO + P2O5 = Ba3(PO4)2
Al(OH)3 + Na2SO4 + HCl = NaCl + Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 Na2SO4 + 6 HCl = 6 NaCl + Al2(SO4)3 + 6 H2O
LiOH(aq) + HF(aq) = LiF(s) + H2O(l) =>
LiOH(aq) + HF(aq) = LiF(s) + H2O(l)
SiO2 + NaCl = SiCl4 + Na2O =>
SiO2 + 4 NaCl = SiCl4 + 2 Na2O
S + Sr(OH)2 = SrS + SrSO3 + H2O =>
3 S + 3 Sr(OH)2 = 2 SrS + SrSO3 + 3 H2O
C8H12 + H2 = C8H18 =>
C8H12 + 3 H2 = C8H18
CaSO4 + NaOH = Ca(OH)2 + Na2SO4 =>
CaSO4 + 2 NaOH = Ca(OH)2 + Na2SO4
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