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Cr + H2SO4 = CrSO4 + H2
CuSO4 + Na2S = CuS + Na2SO4 =>
CuSO4 + Na2S = CuS + Na2SO4
HBr + Ba(OH)2 = BaBr2 + H2O =>
2 HBr + Ba(OH)2 = BaBr2 + 2 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
SO2 + O2 + H2O = H2SO4 =>
2 SO2 + O2 + 2 H2O = 2 H2SO4
Pb(NO3)2 + KI = PbI2 + K(NO3) =>
Pb(NO3)2 + 2 KI = PbI2 + 2 K(NO3)
NaOH + H = NaOH2 =>
NaOH + H = NaOH2
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
C25H52 + O2 = CO2 + H2O =>
C25H52 + 38 O2 = 25 CO2 + 26 H2O
H2O + Cd + Ni2O3 = Cd(OH)2 + Ni(OH)2 =>
3 H2O + Cd + Ni2O3 = Cd(OH)2 + 2 Ni(OH)2
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
KMnO4 + H2SO4 + H2S = K2SO4 + MnSO4 + H2O =>
8 KMnO4 + 7 H2SO4 + 5 H2S = 4 K2SO4 + 8 MnSO4 + 12 H2O
Cr + H2SO4 = CrSO4 + H2 =>
Cr + H2SO4 = CrSO4 + H2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
CuO + Fe = Cu + Fe3O4 =>
4 CuO + 3 Fe = 4 Cu + Fe3O4
C6H5Cl + SiCl4 + Na = (C6H5)4Si + NaCl =>
4 C6H5Cl + SiCl4 + 8 Na = (C6H5)4Si + 8 NaCl
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
H2SO4(aq) + Na2CO3(s) = Na2SO4(aq) + H2O + CO2(g) =>
H2SO4(aq) + Na2CO3(s) = Na2SO4(aq) + H2O + CO2(g)
H2CO3 + Ca(OH)2 = CaCO3 + H2O =>
H2CO3 + Ca(OH)2 = CaCO3 + 2 H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
Sn + H2SO4 = SnSO4 + H2 =>
Sn + H2SO4 = SnSO4 + H2
FeSO4 + H2 = H2SO4 + Fe =>
FeSO4 + H2 = H2SO4 + Fe
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
FeSO4 + H2 = H2SO4 + Fe =>
FeSO4 + H2 = H2SO4 + Fe
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al + H2SO4 = AlSO4 + H2 =>
Al + H2SO4 = AlSO4 + H2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H2SO4 = H2O + SO3 =>
H2SO4 = H2O + SO3
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Al2O3 + S8 = Al + SO2 =>
16 Al2O3 + 3 S8 = 32 Al + 24 SO2
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
Si(OH)4 + HF = H2SiF6 + H2O =>
Si(OH)4 + 6 HF = H2SiF6 + 4 H2O
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
SeO2 + H2O = H2SeO3 =>
SeO2 + H2O = H2SeO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Br2(l) + KI(aq) = KBr(aq) + I2(l) =>
Br2(l) + 2 KI(aq) = 2 KBr(aq) + I2(l)
K2MnO4 + H2O = KMnO4 + MnO2 + KOH =>
3 K2MnO4 + 2 H2O = 2 KMnO4 + MnO2 + 4 KOH
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
K3PO4 + Ca(NO3)2 = Ca3(PO4)2 + KNO3 =>
2 K3PO4 + 3 Ca(NO3)2 = Ca3(PO4)2 + 6 KNO3
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
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