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Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
Rb + S8 = Rb2S =>
16 Rb + S8 = 8 Rb2S
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
H2 + Cr2O3 = Cr + H2O =>
3 H2 + Cr2O3 = 2 Cr + 3 H2O
N2 + O2 + H2 = HNO2 =>
N2 + 2 O2 + H2 = 2 HNO2
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
(NH4)2SO4(aq) + Ba(NO3)2(aq) = BaSO4(s) + NH4NO3(g) =>
(NH4)2SO4(aq) + Ba(NO3)2(aq) = BaSO4(s) + 2 NH4NO3(g)
Cr2O3 + H2O = Cr(OH)3 =>
Cr2O3 + 3 H2O = 2 Cr(OH)3
Al2(SO4)3 + Ba(OH)2 = Al(OH)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 BaSO4
CH3CH2CH2CH2OH + CH3COOH = CH3COOCH2CH2CH2CH3 + H2O =>
CH3CH2CH2CH2OH + CH3COOH = CH3COOCH2CH2CH2CH3 + H2O
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
Cr2O3 = Cr + O2 =>
2 Cr2O3 = 4 Cr + 3 O2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NaCl(aq) + Mg(C2H3O2)2(aq) = Na(C2H3O2)2 + MgCl =>
NaCl(aq) + Mg(C2H3O2)2(aq) = Na(C2H3O2)2 + MgCl
C2H6 + O2 = CO + H2O =>
2 C2H6 + 5 O2 = 4 CO + 6 H2O
H2 + NiO = Ni + H2O =>
H2 + NiO = Ni + H2O
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
C2H6 + Br2 = C2H4Br2 + H2Br2 =>
C2H6 + 2 Br2 = C2H4Br2 + H2Br2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
H2O + Na = Na2O + H2 =>
H2O + 2 Na = Na2O + H2
CuCO3 + H2SO4 = CuSO4 + H2O + CO2 =>
CuCO3 + H2SO4 = CuSO4 + H2O + CO2
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Mg + HNO3 = H + MgNO3 =>
Mg + HNO3 = H + MgNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
NaCl + Mg(C2H3O2)2 = Na(C2H3O2)2 + MgCl =>
NaCl + Mg(C2H3O2)2 = Na(C2H3O2)2 + MgCl
NaCl + Hg(C2H3O2)2 = NaC2H3O2 + HgCl2 =>
2 NaCl + Hg(C2H3O2)2 = 2 NaC2H3O2 + HgCl2
MgCl + NaCO3 = NaCl + MgCO3 =>
MgCl + NaCO3 = NaCl + MgCO3
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
NH4Br + Ag(NO3)2 = NH4(NO3) + AgBr2 =>
2 NH4Br + Ag(NO3)2 = 2 NH4(NO3) + AgBr2
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
Al2(SO4)3 + KOH = Al(OH)3 + K2SO4 =>
Al2(SO4)3 + 6 KOH = 2 Al(OH)3 + 3 K2SO4
ZnO + H20 = ZnOH =>
20 ZnO + H20 = 20 ZnOH
ZnO + H2O = Zn(OH)2 =>
ZnO + H2O = Zn(OH)2
Cr2(SO4)3 + KOH = Cr(OH)3 + K2SO4 =>
Cr2(SO4)3 + 6 KOH = 2 Cr(OH)3 + 3 K2SO4
C5H5N + O2 = CO2 + H2O + N2 =>
4 C5H5N + 25 O2 = 20 CO2 + 10 H2O + 2 N2
Mg + HNO3 = Mg(NO3) + H =>
Mg + HNO3 = Mg(NO3) + H
KI + HNO3 = I2 + KNO3 + NO + H2O =>
6 KI + 8 HNO3 = 3 I2 + 6 KNO3 + 2 NO + 4 H2O
K + H2O = KO2 + H2 =>
K + 2 H2O = KO2 + 2 H2
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
Ca(NO3)2 + NaOH = NaNO3 + Ca(OH)2 =>
Ca(NO3)2 + 2 NaOH = 2 NaNO3 + Ca(OH)2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Ba(NO3)2 + (NH4)3PO4 = Ba3(PO4)2 + NH4NO3 =>
3 Ba(NO3)2 + 2(NH4)3PO4 = Ba3(PO4)2 + 6 NH4NO3
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
Ca3(PO4) + SiO2 + C = CaSiO3 + P4 + CO =>
4 Ca3(PO4) + 12 SiO2 + 4 C = 12 CaSiO3 + P4 + 4 CO
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
C7S2O4 + O2 = CO + SO2 =>
2 C7S2O4 + 7 O2 = 14 CO + 4 SO2
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