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SiO2 + 4 HF = SiF4 + 2 H2O
Zn + H2SO4 = ZnH2SO4 =>
Zn + H2SO4 = ZnH2SO4
K2Cr2O7 + HCl = CrCl3 + Cl2 + KCl + H2O =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 3 Cl2 + 2 KCl + 7 H2O
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
CU + HSO4 = CUSO4 + H2O + SO2 =>
3 CU + 4 HSO4 = 3 CUSO4 + 2 H2O + SO2
Ba(No3)2 + Na2So4 = BaSo4 + NaNo3 =>
Ba(No3)2 + Na2So4 = BaSo4 + 2 NaNo3
Fe(NO3)2 = FeO + NO2 + O2 =>
2 Fe(NO3)2 = 2 FeO + 4 NO2 + O2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HCl + NaC2H3O2 = HC2H3O2 + NaCl =>
HCl + NaC2H3O2 = HC2H3O2 + NaCl
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Ch3COOH + CaO = Ca(Ch3COO)2 + H2O =>
2 Ch3COOH + CaO = Ca(Ch3COO)2 + H2O
CO + Fe2O3 = Fe + CO2 =>
3 CO + Fe2O3 = 2 Fe + 3 CO2
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
CH3CH2OH + K2Cr2O7 + H2SO4 = CH3CHO + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3CH2OH + K2Cr2O7 + 4 H2SO4 = 3 CH3CHO + Cr2(SO4)3 + K2SO4 + 7 H2O
CS2 + Cl2 = CCl4 + S2Cl2 =>
CS2 + 3 Cl2 = CCl4 + S2Cl2
Al + H2SO4 = H2 + Al2(SO4)3 =>
2 Al + 3 H2SO4 = 3 H2 + Al2(SO4)3
N2 + O2 + H2O = HNO3 =>
2 N2 + 5 O2 + 2 H2O = 4 HNO3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
CaCO3(s) = CaO(s) + CO2(g) =>
CaCO3(s) = CaO(s) + CO2(g)
Ag + Cl2 = AgCl =>
2 Ag + Cl2 = 2 AgCl
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
P + O2 = PO2 =>
P + O2 = PO2
CH4 + Br2 = CH3Br + HBr =>
CH4 + Br2 = CH3Br + HBr
Al(NO2)3 + NH3 + HCl = AlCl3 + N2 + H2O =>
Al(NO2)3 + 3 NH3 + 3 HCl = AlCl3 + 3 N2 + 6 H2O
Cl2 + H2O = HCl + HClO =>
Cl2 + H2O = HCl + HClO
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
KJO3 + Cl2 + KOH = K3JO6 + H2O + KCl =>
KJO3 + 2 Cl2 + 6 KOH = K3JO6 + 3 H2O + 4 KCl
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3 = Fe(NO3)3 + NO + 2 H2O
C + HNO3 = CO2 + NO2 + H2O =>
C + 4 HNO3 = CO2 + 4 NO2 + 2 H2O
Ba(CN)2 + H2SO4 = BaSO4 + HCN =>
Ba(CN)2 + H2SO4 = BaSO4 + 2 HCN
H{+} + MnO4{-} + Cl{-} = Mn{2+} + Cl2 + H2O =>
16 H{+} + 2 MnO4{-} + 10 Cl{-} = 2 Mn{2+} + 5 Cl2 + 8 H2O
C6H5OH + O2 = CO2 + H2O =>
C6H5OH + 7 O2 = 6 CO2 + 3 H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HgO = Hg + O =>
HgO = Hg + O
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
AgNO3 + Cu(s) = Cu(NO3)2 + Ag(s) =>
2 AgNO3 + Cu(s) = Cu(NO3)2 + 2 Ag(s)
HI + HIO3 = I2H2O =>
5 HI + HIO3 = 3 I2H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
HI + HIO3 = I2 + H2O =>
5 HI + HIO3 = 3 I2 + 3 H2O
C6H10O5 + HNO3 = N2O3 + CO2 + H2O =>
C6H10O5 + 12 HNO3 = 6 N2O3 + 6 CO2 + 11 H2O
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
Na2SO3 + HCl = NaCl + H2SO3 =>
Na2SO3 + 2 HCl = 2 NaCl + H2SO3
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
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