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2 H2(g) + O2 = 2 H2O(g)
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
AgClO3 = AgCl + O2 =>
2 AgClO3 = 2 AgCl + 3 O2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
H3PO4 + NaBr = HBr + Na3PO4 =>
H3PO4 + 3 NaBr = 3 HBr + Na3PO4
Al2O3 + C = Al + CO2 =>
2 Al2O3 + 3 C = 4 Al + 3 CO2
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
Na2S + Cu(NO3)2 = NaNO3 + CuS =>
Na2S + Cu(NO3)2 = 2 NaNO3 + CuS
C + H2 = C3H8 =>
3 C + 4 H2 = C3H8
HNO3 + Na2O = NaNO3 + H2O =>
2 HNO3 + Na2O = 2 NaNO3 + H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
KBrO3 + KI + HCl = KCl + H2O + KBr + I2 =>
KBrO3 + 6 KI + 6 HCl = 6 KCl + 3 H2O + KBr + 3 I2
CO + NO = CO2 + N2 =>
2 CO + 2 NO = 2 CO2 + N2
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
N2 + O2 = NO =>
N2 + O2 = 2 NO
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Mg(s) + ZnCl2(aq) = MgCl2(aq) + Zn(s) =>
Mg(s) + ZnCl2(aq) = MgCl2(aq) + Zn(s)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
C + O2 = CO =>
2 C + O2 = 2 CO
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C + O2 = CO =>
2 C + O2 = 2 CO
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
H2 + F2 = HF =>
H2 + F2 = 2 HF
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
H2SO4 + KI = KHSO4 + I2 + H2O + H2S =>
9 H2SO4 + 8 KI = 8 KHSO4 + 4 I2 + 4 H2O + H2S
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
S + O2 = SO2 =>
S + O2 = SO2
Al(OH)3 + H4SiO4 = Al4(SiO4)3 + H2O =>
4 Al(OH)3 + 3 H4SiO4 = Al4(SiO4)3 + 12 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Al(OH)3 + H4SiO4 = Al4(SiO4)3 + H2O =>
4 Al(OH)3 + 3 H4SiO4 = Al4(SiO4)3 + 12 H2O
Zn + H2SO4 = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O
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