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3 Cl2 + 3 H2O = 5 HCl + HClO3
Na + S = Na2S =>
2 Na + S = Na2S
CH3COOH + Na2CO3 = CH3COONa + H2O + CO2 =>
2 CH3COOH + Na2CO3 = 2 CH3COONa + H2O + CO2
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
NaBr + H3PO4 = Na3PO4 + HBr =>
3 NaBr + H3PO4 = Na3PO4 + 3 HBr
Zn2 + H2SO4 = Zn(SO4)2 + H2 =>
Zn2 + 4 H2SO4 = 2 Zn(SO4)2 + 4 H2
H2 + I2 = HI =>
H2 + I2 = 2 HI
K2CrO7 + HNO3 + CH3CH2OH = Cr(NO3)3 + H2O + CH3CHO + KNO3 =>
2 K2CrO7 + 10 HNO3 + 9 CH3CH2OH = 2 Cr(NO3)3 + 14 H2O + 9 CH3CHO + 4 KNO3
Ca(OH)2 + Al2(SO4)3 = CaSO4 + Al(OH)3 =>
3 Ca(OH)2 + Al2(SO4)3 = 3 CaSO4 + 2 Al(OH)3
CH3COOH + NaHCO3 = CH3COONa + H2O + CO2 =>
CH3COOH + NaHCO3 = CH3COONa + H2O + CO2
C4H6O4 + NaHCO3 = CH3COONa + H2O + CO2 =>
4 C4H6O4 + 7 NaHCO3 = 7 CH3COONa + 5 H2O + 9 CO2
C + O2 = CO =>
2 C + O2 = 2 CO
B5H9 + O2 = B2O3 + H2O =>
2 B5H9 + 12 O2 = 5 B2O3 + 9 H2O
NH4OH + CuCl2 = Cu(OH)2 + NH4Cl =>
2 NH4OH + CuCl2 = Cu(OH)2 + 2 NH4Cl
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
Ba(OH)2 + CO2 = Ba(HCO3)2 =>
Ba(OH)2 + 2 CO2 = Ba(HCO3)2
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
NH + O2 = NO + H2O =>
4 NH + 3 O2 = 4 NO + 2 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
CO(g) + H2(g) = CH3OH(g) =>
CO(g) + 2 H2(g) = CH3OH(g)
H2O + SO3 = H2SO4 =>
H2O + SO3 = H2SO4
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Cl2 + AlBr = AlCl3 + Br2 =>
3 Cl2 + 2 AlBr = 2 AlCl3 + Br2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
KNO2 + KMnO4 + H2O = KNO3 + MnO2 + KOH =>
3 KNO2 + 2 KMnO4 + H2O = 3 KNO3 + 2 MnO2 + 2 KOH
O2 = O2 =>
O2 = O2
K2Cr2O7 + HNO3 + CH3CH2OH = Cr(NO3)3 + H2O + CH3CHO + KNO3 =>
K2Cr2O7 + 8 HNO3 + 3 CH3CH2OH = 2 Cr(NO3)3 + 7 H2O + 3 CH3CHO + 2 KNO3
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
H2O2 = H20 + O2 =>
10 H2O2 = H20 + 10 O2
K2S2O8 + H2O = KHSO4 + H2O2 =>
K2S2O8 + 2 H2O = 2 KHSO4 + H2O2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Pb(NO3)2 + NaI = PbI2 + Na2(NO3)2 =>
Pb(NO3)2 + 2 NaI = PbI2 + Na2(NO3)2
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cu(s) + HNO3(l) = Cu(NO3)2 + NO2 + H2O =>
Cu(s) + 4 HNO3(l) = Cu(NO3)2 + 2 NO2 + 2 H2O
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
C3H5 + Cl2 = C + HCl =>
2 C3H5 + 5 Cl2 = 6 C + 10 HCl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Zn + AgCl = ZnCl2 + Ag =>
Zn + 2 AgCl = ZnCl2 + 2 Ag
HgCl2 + NaI = NaCl2 + HgI =>
HgCl2 + NaI = NaCl2 + HgI
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
CO2 + NH3 = OC(NH2)2 + H2O =>
CO2 + 2 NH3 = OC(NH2)2 + H2O
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
S3 + O2 = SO2 =>
S3 + 3 O2 = 3 SO2
Fe2O3 + C2 = CO2 + Fe =>
4 Fe2O3 + 3 C2 = 6 CO2 + 8 Fe
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
CO2 + H2 = C2H2 + H2O =>
2 CO2 + 5 H2 = C2H2 + 4 H2O
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